BOATRACS INC /CA/
8-K, 1998-07-22
COMMUNICATIONS SERVICES, NEC
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               SECURITIES AND EXCHANGE COMMISSION

                        WASHINGTON, D.C.

                            FORM 8-K

                         CURRENT REPORT


             Pursuant to Section 13 or 15(d) of the
                Securities Exchange Act of 1934


                           July 7, 1998
        Date of Report (date of earliest event reported)


                          BOATRACS, INC.
     (Exact Name of Registrant as Specified in its Charter)


    California            0-11038                 33-0644381
(State  or Other        (Commission           (IRS  Employer Iden-
 Jurisdiction of         File Number)          tification Number)
 Incorporation)


             10675 Sorrento Valley Road, Suite 200
                 San Diego, California  92121
            (Address of Principal Executive Offices
                      Including Zip Code)


                       (619) 657-0100
                (Registrant's Telephone Number,
                      Including Area Code)






                       Page 1 of 4 pages.

Item 2.  Acquisition or Disposition of Assets.

     On July 7, 1998, Boatracs, Inc., a California corporation
(the "Company") acquired Enerdyne Technologies, Inc., a
California corporation ("ET, Inc.").  The acquisition was
effected by means of a merger whereby Enerdyne was merged with
and into the Company's wholly owned subsidiary, Boatracs
Acquisition, Inc., a California corporation ("Boatracs
Acquisition"). Boatracs Acquisition has changed its name to
Enerdyne Technologies, Inc. ("Enerdyne") and will continue ET,
Inc.'s  business of providing versatile, high performance digital
video compression products to the governmental and commercial
markets.

     Pursuant to the terms of an Agreement and Plan of
Reorganization dated as of July 7, 1998 (the "Merger Agreement"),
by and between the Company, ET, Inc., and the shareholders of ET,
Inc., the merger consideration paid to the shareholders of ET,
Inc., which was agreed upon between the parties in arm's length
negotiations, consisted of an aggregate of: (i) $1,953,800 in
cash, (ii) $7,815,200 principal amount of senior promissory notes
payable on July 7, 1999 and bearing interest at 8.5% per annum
("Senior Notes"), (iii) $1,953,800 principal amount of
subordinated promissory notes ("Subordinated Notes") with
specified minimum annual payments and any remaining amounts
payable June 30, 2002 and bearing interest at 8.5% per annum,
(iv) 2,930,700 shares of Common Stock of the Company and (v)
warrants ("Warrants") expiring on June 30, 2002 to purchase
488,450 shares of Common Stock of the Company at a purchase price
of $2.00 per share.  Subject to terms and conditions stated
therein, the Senior Notes are secured by all of the assets of ET,
Inc. and two of the Company's directors, officers and significant
shareholders each severally guaranteed one-third of the unpaid
principal balance of the Senior Notes as of July 7, 1999. The
Company also agreed to satisfy the obligations of ET, Inc.
regarding payments to its financial advisors through delivery of
$46,200 in cash, $184,800 of Senior Notes, $46,200 of
Subordinated Notes, 69,300 shares of Common Stock and Warrants
for the purchase of 11,550 shares of Common Stock.

     The funds for the cash payment were generated by the sale of
a promissory note payable to the Company from the Company's
president to an unrelated third party and from working capital.

     Irene Shinsato, one of the shareholders of ET, Inc., has
been engaged for a one year term as President of Enerdyne and
Scott Boden, the other shareholder of ET, Inc., has been employed
for a two year term as Enerdyne's Chief Technical Officer.
Pursuant to the terms of their employment agreements, the Company
granted each of them a nonstatutory stock option, vesting on the
expiration date of their respective employment agreements, to
purchase 500,000 shares of the Company's common stock at an
exercise price of $2.00 per share.

     The foregoing description of the transactions contemplated
by the Merger Agreement, and the ancillary agreements entered
into therewith, is qualified in its entirety by reference to the
Merger Agreement, a copy of which is filed as an exhibit to this
Form 8-K and incorporated herein by this reference.

Item  7.   Financial Statements, Pro Forma Financial  Information
and Exhibits.

(a) Financial Statements of Businesses Acquired.

To  be  filed  by  amendment within 60 days after  date  of  this
report.
                         
(b) Pro Forma Financial Information.

To  be  filed  by  amendment within 60 days after  date  of  this
report.

(c) Exhibits

Exhibit
Number    Description

2.1            Agreement and Plan of Reorganization dated of July
          7,  1998  by  and between Boatracs, Inc., a  California
          corporation, Enerdyne Technologies, Inc., a  California
          corporation,  Boatracs Acquisition, Inc., a  California
          corporation,  and  Scott T. Boden and  Irene  Shinsato.
          Schedules and attachments to the Agreement and Plan  of
          Reorganization are listed in the Index to  Exhibits  at
          the  foot of the table of contents of the Agreement and
          Plan  of Reorganization and are not included with  this
          report.  Boatracs, Inc. hereby undertakes to  file  the
          schedules   and   attachments  upon  request   of   the
          Commission.

10.1 (a)  Employment  Agreement dated July 7, 1998 between  Scott
          T.  Boden and Enerdyne Technologies, Inc., a California
          corporation.

10.1 (b)  Option  Agreement dated July 7, 1998 between  Scott  T.
          Boden and Boatracs, Inc., a California corporation.

10.2 (a)  Employment  Agreement dated July 7, 1998 between  Irene
          Shinsato  and Enerdyne Technologies, Inc., a California
          corporation.

10.2 (b)  Option  Agreement  dated July  7,  1998  between  Irene
          Shinsato and Boatracs, Inc., a California corporation.


                           SIGNATURES

     Pursuant to the requirements of the Securities Exchange  Act
of  1934, the Registrant has duly caused this report to be signed
on its behalf by the undersigned hereunto duly authorized.




Dated:  July 21, 1998             Boatracs, Inc.


                                  By:/S/Jon Gilbert
                                    Jon Gilbert,
                                    President and Chief Executive Officer


                       Page 4 of 4 pages.


                                
Exhibit 2.1
                                 

                                
              AGREEMENT AND PLAN OF REORGANIZATION
                                
                                
                          by and among:
                                
                                
                         Boatracs, Inc.,
                    a California corporation;
                                
      Boatracs Acquisition, Inc., a California corporation;
                                
                  Enerdyne Technologies, Inc.,
                  a California corporation; and
                                
         the Shareholders of Enerdyne Technologies, Inc.
                          named herein
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                    Dated as of July 7, 1998
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                        TABLE OF CONTENTS
                                                                 
                                                             Page

EXHIBIT A  CERTAIN DEFINITIONS                               A-1

EXHIBIT B  MERGER AGREEMENT                                  B-1

EXHIBIT C  SCHEDULE OF SHAREHOLDERS                          C-1

EXHIBIT D  FORM OF SENIOR NOTE                               D-1

EXHIBIT E  FORM OF SUBORDINATED NOTE                         E-1

EXHIBIT F  FORM OF REGISTRATION AGREEMENT                    F-1

EXHIBIT G  FORM OF WARRANT AGREEMENT                         G-1

EXHIBIT H  ENERDYNE DISCLOSURE SCHEDULE                      H-1

EXHIBIT I  OPINION OF COUNSEL TO ENERDYNE                    I-1

EXHIBIT J  FORM OF EMPLOYMENT AGREEMENT                      J-1

EXHIBIT K  FORM OF NONCOMPETITION AGREEMENT                  K-1
     

SECTION 1  The Merger                                          2
     1.1  Closing                                              2
     1.2  The Merger                                           2
     1.3  Effective Time; Closing                              2
     1.4  Effect of the Merger                                 2
     1.5  Articles of Incorporation; Bylaws                    2
     1.6  Officers and Directors                               3
     1.7  Effect on Capital Stock                              3
     1.8  Merger Consideration                                 3
     1.9  Surrender of Certificates; Delivery of Merger
          Consideration                                        4
     1.10 Tax Consequences                                     4
     1.11 Taking of Necessary Action; Further Action           4

SECTION 2  Representations and Warranties of Enerdyne and
            the Shareholders                                   6
     2.1  Organization                                         6
     2.2  Capitalization                                       6
     2.3  Power, Authority and Validity                        6
     2.4  Financial Statements                                 7
     2.5  Tax Matters                                          8
     2.6  Enerdyne Projections                                 9
     2.7  Absence of Certain Changes or Events                 9
     2.8  Title and Related Matters                           11
     2.9  Proprietary Rights and Warranty Claims              12
     2.10 Employee Benefit Plans                              13
     2.11 Bank Accounts                                       19
     2.12 Contracts                                           19
     2.13 Orders, Commitments and Returns                     21
     2.14 Compliance With Law                                 21
     2.15 Labor Matters                                       21
     2.16 Trade Regulation                                    22
     2.17 Insider Transactions                                22
     2.18 Employees, Independent Contractors and Consultants  22
     2.19 Insurance                                           23
     2.20 Litigation                                          23
     2.21 Section 341(f)(2)                                   23
     2.22 Subsidiaries                                        23
     2.23 Compliance with Environmental Requirements          23
     2.24 Corporate Documents                                 24
     2.25 No Brokers                                          24
     2.26 Disclosure                                          24
     2.27 Material Consents                                   24
     2.28 Cash Balance; Payment of Certain Expenses           24

SECTION 3  Representations and Warranties of the
            Shareholders                                      24
     3.1  Ownership of Enerdyne Securities                    24
     3.2  Boatracs Securities                                 25

SECTION 4  Representations and Warranties of Boatracs and
            Merger Sub                                        25
     4.1  Organization and Good Standing                      25
     4.2  Capitalization                                      25
     4.3  Power, Authorization and Validity                   26
     4.4  No Violation of Existing Agreements                 26
     4.5  Litigation                                          26
     4.6  SEC Filings                                         26
     4.7  Financial Statements                                27
     4.8  Enerdyne Securities                                 27

SECTION 5  Items to be Delivered by Boatracs or Merger Sub
            at the Closing                                    27
     5.1  Boatracs Authorizations                             27
     5.2  Merger Sub Authorizations                           27

SECTION 6  Documents to be Delivered by Enerdyne or the
            Shareholders at Closing.                          28
     6.1  Authorizations.                                     28
     6.2  Opinion of Enerdyne's Counsel                       28
     6.3  Resignations of Enerdyne's Directors and Officers   28
     6.4  Employment Agreements                               28
     6.5  Noncompetition Agreements                           28

SECTION  7  Indemnification And Related Matters               28
     7.1  Indemnification by Enerdyne and the Shareholders    28
     7.2  Indemnification by Boatracs                         28
     7.3  Expiration of Representations, Warranties and
          Covenants                                           28
     7.4  Threshold Amount                                    29
     7.5  Maximum Liability of the Shareholders               29
     7.6  Sole Recourse of Boatracs                           29
     7.7  No Contribution                                     30
     7.8  No Implied Representations                          30
     7.9  Indemnification Claims.                             30
     7.10 Defense of Third Party Actions                      31
     7.11 Subrogation                                         32
     7.12 Exclusivity.                                        32

SECTION 8  Termination of Agreements                          32
     8.1  Stock Ownership Agreement                           32
     8.2  Termination of Employment Agreements                32

SECTION 9  Covenants Following Closing.                       33
     9.1  Enerdyne of Europe                                  33
     9.2  S-8 Registration Statement                          33
     9.3  Board Visitation Rights                             33
     9.4  Key Man Life Insurance                              33

SECTION 10  Miscellaneous                                     34
     10.1 Governing Laws                                      34
     10.2 Binding upon Successors and Assigns                 34
     10.3 Severability                                        34
     10.4 Entire Agreement                                    34
     10.5 Counterparts                                        34
     10.6 Expenses                                            34
     10.7 Amendment and Waivers                               34
     10.8 Survival of Agreements                              35
     10.9 No Waiver                                           35
     10.10 Attorneys' Fees                                    35
     10.11 Notices                                            35
     10.12 Construction of Agreement                          36
     10.13 No Joint Venture                                   36
     10.14 Pronouns                                           36
     10.15 Further Assurances                                 36
     10.16 Absence of Third Party Beneficiary Rights          36

              AGREEMENT AND PLAN OF REORGANIZATION
                                
                                
     THIS AGREEMENT AND PLAN OF REORGANIZATION (this "Agreement")
is entered into as of July 7, 1998, by and among Boatracs, Inc.,
a California corporation ("Boatracs"), Boatracs Acquisition,
Inc., a California corporation ("Merger Sub"), Enerdyne
Technologies, Inc., a California corporation ("Enerdyne") and
Scott T. Boden ("Boden") and Irene Shinsato ("Shinsato")
(collectively, the "Shareholders").  Certain other capitalized
terms used in this Agreement are defined in Exhibit A attached
hereto.

                                
                            RECITALS
                                
     A.   The Shareholders own all outstanding shares of capital stock
of Enerdyne (the "Enerdyne Securities").

     B.   Under the terms and subject to the conditions of this
Agreement, Boatracs, Merger Sub, the Shareholders and Enerdyne
intend to enter into a business combination transaction such that
Enerdyne merges with and into a wholly-owned subsidiary of
Boatracs ("Merger Sub").

     C.   The Boards of Directors of Enerdyne and Boatracs (i) have
determined that the Merger (as defined in Section 1.1) is
consistent with, and in furtherance of, their respective
long-term business strategies and fair to, and in the best
interest of, their respective stockholders and (ii) have approved
this Agreement, the Merger and the other transactions
contemplated by this Agreement.

     D.   The Board of Directors of Merger Sub has approved this
Agreement, the Merger and the other transactions contemplated by
this Agreement.

     E.   The parties intend, by executing this Agreement to adopt a
plan of reorganization within the meaning of Section 368 of the
Internal Revenue Code of 1986, as amended.

     F.   The parties hereto desire to set forth certain
representations, warranties and covenants made by each to the
other as an inducement to the consummation of the transactions
contemplated hereby.

                                
                            AGREEMENT
                                
     NOW, THEREFORE, in reliance on the foregoing recitals and in
and for the consideration and mutual covenants set forth herein,
and for other good and valuable consideration the receipt and
sufficiency of which are hereby acknowledged, the parties agree
as follows:

      1.  SECTION 1  The Merger.

           1.1 Closing.  The closing (the "Closing") of the Merger of
Enerdyne with and into Merger Sub (the "Merger") shall take place
at the office of Boatracs' counsel, Gray Cary Ware & Freidenrich,
4365 Executive Drive, Suite 1600, San Diego, California,
concurrently with the execution of this Agreement (the "Closing
Date").  As between the parties hereto, risk of loss and the
benefits of ownership of the consideration shall be transferred
as of the Closing, notwithstanding any delay in completing the
ministerial act of filing the Agreement of Merger as contemplated
in Section  1.3.

           1.2 The Merger.  At the Effective Time (as defined below) and
subject to and upon the terms and conditions of this Agreement
and the applicable provisions of California General Corporation
Law ("California Law"), Enerdyne shall be merged with and into
Merger Sub (the "Merger"), the separate corporate existence of
Enerdyne shall cease and Merger Sub shall continue as the
surviving corporation but with the legal name "Enerdyne
Technologies, Inc."  Merger Sub as the surviving corporation
after the Merger is hereinafter sometimes referred to as the
"Surviving Corporation."

           1.3 Effective Time; Closing.  Subject to the provisions of this
Agreement, the parties hereto shall cause the Merger to be
completed by filing an Agreement of Merger with the Secretary of
State of the State of California in accordance with the relevant
provisions of California Law in the form attached hereto as
Exhibit B (the "Agreement of Merger") (the time of such filing
being the "Effective Time," which shall be as soon as practicable
on or after the Closing Date.

           1.4 Effect of the Merger.  At the Effective Time, the effect of
the Merger shall be provided in this Agreement and the applicable
provisions of California Law.  Not limiting the generality of the
foregoing, and subject thereto, at the Effective Time all the
property, rights, privileges, powers and franchises of Enerdyne
and Merger Sub shall vest in the Surviving Corporation, and all
debts, liabilities and duties of Enerdyne and Merger Sub shall
become the debts, liabilities and duties of the Surviving
Corporation.

           1.5 Articles of Incorporation; Bylaws.

               (a)  At the Effective Time, the Articles of Incorporation of
Merger Sub, as in effect immediately prior to the Effective Time,
shall be the Articles of Incorporation of the Surviving
Corporation except that the name of Merger Sub in such Articles
of Incorporation shall be amended to "Enerdyne Technologies,
Inc."

(b)  The Bylaws of Merger Sub, as in effect immediately prior to
the Effective Time, shall be, at the Effective Time, the Bylaws
of the Surviving Corporation until thereafter amended.

           1.6 Officers and Directors.  The officers of the Merger Sub
immediately prior to the Effective Time shall be the officers of
the Surviving Corporation as of the Effective Time.  The
directors of Merger Sub immediately prior to the Effective Time
shall be the directors of the Surviving Corporation as of the
Effective Time.

           1.7 Effect on Capital Stock.  At the Effective Time, by virtue
of the Merger and without any action on the part of Merger Sub,
Enerdyne or the holders of any of the securities described below;
each share of common stock ("Common Shares") and each share of
preferred stock ("Preferred Shares") of Enerdyne issued and
outstanding immediately prior to the Effective Time will be
automatically converted into the right to receive a pro rata
portion of the Merger Consideration (as defined in Section  1.8
below) in accordance with the Schedule of Shareholders set forth
on Exhibit C attached hereto (the "Schedule").

           1.8 Merger Consideration.  The merger consideration ("Merger
Consideration") payable by Boatracs at Closing shall be as
follows:

               (a)  An aggregate cash payment of One Million Nine Hundred
Fifty-Three Thousand Eight Hundred Dollars ($1,953,800) shall be
payable to the Shareholders in accordance with the Schedule.  The
parties acknowledge that the Five Hundred Thousand Dollar
($500,000) deposit previously made by Boatracs into an escrow
shall be returned to Boatracs.

(b)  One or more Senior Promissory Notes in the form attached
hereto as Exhibit D (the "Senior Notes") with an aggregate
principal balance of Seven Million Eight Hundred Fifteen Thousand
Two Hundred Dollars ($7,815,200) issued to the Shareholders in
accordance with the Schedule.
(c)  One or more Subordinated Promissory Notes in the form
attached hereto as Exhibit E (the "Subordinated Notes" and
collectively with the Senior Notes, the "Notes") with an
aggregate principal balance of One Million Nine Hundred Fifty-
Three Thousand Eight Hundred Dollars ($1,953,800) issued to the
Shareholders in accordance with the Schedule.
(d)  An aggregate stock payment of Two Million Nine Hundred
Thirty Thousand Seven Hundred (2,930,700) shares of Common Stock
of Boatracs shall be payable to the Shareholders in accordance
with the Schedule.  The certificates for these shares shall bear
a legend stating in substance:
               THE SECURITIES REPRESENTED BY THIS
               CERTIFICATE HAVE NOT BEEN REGISTERED UNDER
               THE SECURITIES ACT OF 1933, AS AMENDED (THE
               "ACT") AND ARE "RESTRICTED SECURITIES" AS
               DEFINED IN RULE 144 PROMULGATED UNDER THE
               ACT.  THE SECURITIES MAY NOT BE SOLD OR
               OFFERED FOR SALE OR OTHERWISE DISTRIBUTED
               EXCEPT (i) IN CONJUNCTION WITH AN EFFECTIVE
               REGISTRATION STATEMENT FOR THE SHARES UNDER
               THE ACT OR (ii) IN COMPLIANCE WITH RULE 144,
               OR (iii) PURSUANT TO AN OPINION OF COUNSEL
               REASONABLY ACCEPTABLE TO THE COMPANY, THAT
               SUCH REGISTRATION OR COMPLIANCE IS NOT
               REQUIRED AS TO SAID SALE, OFFER OR
               DISTRIBUTION.
               
               The legend set forth above shall be removed (by
delivery of a substitute certificate without such legend), and
Boatracs shall so instruct its transfer agent (i) if a
registration statement respecting the sale of shares has been
declared effective under the Act and the shares of Boatracs
Common Stock have been sold pursuant to such registration
statement or (ii) if the Shareholders deliver to Boatracs
(A) satisfactory written evidence that the shares have been sold
in compliance with Rule 144 (in which case the substitute
certificate will be issued in the name of the transferee), and
(B) an opinion of counsel to Boatracs, in form and substance
reasonably satisfactory to Boatracs, to the effect that the
public sale of the shares by the holder thereof is no longer
subject to Rule 144.  In conjunction with the issuance of the
foregoing shares, Boatracs and the Shareholders shall execute a
Registration Agreement in the form attached hereto as Exhibit F.

               (e)  One or more warrants ("Warrants") to purchase an aggregate
of Four Hundred Eighty-Eight Thousand Four Hundred Fifty
(488,450) shares of Common Stock of Boatracs in the form of
Exhibit G attached hereto shall be issuable to the Shareholders
in accordance with the Schedule.  As set forth more fully in
Exhibit G, the Warrants will not be exercisable until six months
after the Closing and will expire four years after the Closing.

           1.9 Surrender of Certificates; Delivery of Merger Consideration.
At the Closing (a) the Shareholders shall deliver to Boatracs the
certificates representing the Enerdyne Securities (the
"Certificates"), and (b) Boatracs shall deliver to the
Shareholders the Merger Consideration due at Closing in
accordance with the Schedule.

           1.10     Tax Consequences.  It is intended by each of the
parties hereto that the Merger shall constitute a reorganization
within the meaning of Section 368 of the Code, and each of the
parties hereto will use its commercially reasonable efforts to
cause the Merger to be treated as such a reorganization. The
parties hereto adopt this Agreement as a "plan of reorganization"
within the meaning of Sections 1.368-2(g) and 1.368-3(a) of the
United States Income Tax Regulations.   Each party shall seek the
advice of such party's counsel or financial advisor regarding the
ability of the Merger to qualify as such a reorganization.

           1.11     Taking of Necessary Action; Further Action.  If, at any
time after the Effective Time, any further action is necessary or
desirable to carry out the purposes of this Agreement and to vest
the Surviving Corporation with full right, title and possession
to all assets, property, rights, privileges, powers and
franchises of Enerdyne and Merger Sub, the Shareholders and
officers and directors of Enerdyne and Merger Sub will, at
Boatracs' expense, take all such lawful and necessary action.
Boatracs shall cause Merger Sub to perform all of its obligations
relating to this Agreement and the transactions contemplated
thereby.

      2. SECTION 2  Representations and Warranties of Enerdyne and the
Shareholders.  Except as otherwise set forth in the "Enerdyne
Disclosure Schedule" attached hereto as Exhibit H, Enerdyne and
the Shareholders jointly and severally represent and warrant to
Boatracs and Merger Sub as set forth below.

           2.1 Organization.  Enerdyne is a corporation duly organized,
validly existing and in good standing under the laws of the State
of California and has corporate power and authority to carry on
its business as it is now being conducted and as it is proposed
to be conducted.  Enerdyne is duly qualified or licensed to do
business and in good standing in each jurisdiction in which the
nature of its business or properties makes such qualification or
licensing necessary, except where the failure to qualify would
not be material to Enerdyne's business.  The Enerdyne Disclosure
Schedule contains a true and complete list of the locations of
offices or facilities of Enerdyne and a true and complete list of
all states in which Enerdyne maintains any employees.  The
Enerdyne Disclosure Schedule contains a true and complete list of
all states in which Enerdyne is duly qualified to transact
business as a foreign corporation.  True and complete copies of
Enerdyne's articles of incorporation and bylaws, as in effect on
the date hereof and as to be in effect immediately prior to the
Closing, have been provided to Boatracs or its representatives.

           2.2 Capitalization.

               (a)  The authorized capital stock of Enerdyne as of the date of
this Agreement consists of:  (i) One Million (1,000,000) Common
Shares and (ii) Ten Thousand (10,000) Preferred Shares.  As of
the date of this Agreement, Twenty Thousand (20,000) Common
Shares and Ten Thousand (10,000) Preferred Shares of Enerdyne
stock are issued and outstanding and held of record by the
Shareholders as set forth and identified in the shareholder list
attached to the Enerdyne Disclosure Schedule.

(b)  All of the outstanding shares of Enerdyne Securities have
been duly authorized and validly issued, fully paid and are
nonassessable.  All outstanding Enerdyne Securities were issued
in compliance with applicable securities laws.  Except as set
forth in this Section  2.2, Enerdyne does not have any other
shares of its capital stock issued or outstanding and does not
have any other outstanding subscriptions, options, warrants,
rights or other agreements or commitments obligating Enerdyne to
issue shares of its capital stock or other securities.

           2.3 Power, Authority and Validity.  Enerdyne has the corporate
power and authority to enter into this Agreement and the other
Transaction Documents to which it is a party and to carry out its
obligations hereunder and thereunder.  Each Shareholder has full
power and authority to enter into this Agreement and the other
Transaction Documents to which such Shareholder is a party and to
carry out his or her obligations hereunder and thereunder.  The
execution and delivery of this Agreement and the Transaction
Documents to which Enerdyne is a party and the consummation of
the transactions contemplated herein and therein have been duly
authorized by the board of directors of Enerdyne, and no other
corporate proceedings are necessary to authorize this Agreement
and the other Transaction Documents.  Enerdyne is not subject to
or obligated under any charter, bylaw or contract provision or
any license, franchise or permit, or subject to any order or
decree, which would be breached or violated by or in conflict
with its executing and carrying out this Agreement and the
transactions contemplated herein and under the Transaction
Documents.  No consent of any person who is a party to a contract
which is material to Enerdyne's business, nor consent of any
governmental body, is required to be obtained on the part of
Enerdyne or the Shareholders to permit the transactions
contemplated herein and to continue the business activities of
Enerdyne as previously conducted by Enerdyne.  This Agreement
constitutes, and the other Transaction Documents to which
Enerdyne and/or each Shareholder is a party when executed and
delivered by Enerdyne and/or such Shareholder, as the case may
be, shall constitute, valid and binding obligations of Enerdyne
and/or such Shareholder enforceable in accordance with their
respective terms.

           2.4 Financial Statements.

               (a)  Boatracs has received copies of Enerdyne's unaudited
balance sheet as of March 31, 1998 and statements of operations and
shareholders' equity for the nine-month period then ended
(collectively, the "Enerdyne Interim Financials") and the audited
balance sheet as of June 30, 1997 and statements of operations
and shareholder's equity for the one-year period then-ended
(collectively, the "Enerdyne Financial Statements").

(b)  The Enerdyne Financial Statements are complete and in
accordance with the books and records of Enerdyne and present
fairly in all material respects the financial position of
Enerdyne as of their historical dates.  The Enerdyne Financial
Statements have been prepared in accordance with generally
accepted accounting principles ("GAAP") (except as set forth in
any audit opinion delivered with the Enerdyne Financial
Statements and except as to year-end adjustments, which are not
expected to be material) applied on a basis consistent with prior
periods.  Except and to the extent reflected or reserved against
in the balance sheets specified above (including the notes
thereto), Enerdyne does not have, as of the dates of such balance
sheets, any liabilities or obligations (absolute or contingent)
of a nature required to be or customarily reflected in a balance
sheet (or the notes thereto) prepared in accordance with GAAP.
The reserves, if any, reflected on the Enerdyne Financial
Statements are adequate in light of the contingencies with
respect to which they are made.  The statements of operations,
shareholder's equity and cash flow are complete and in accordance
with the books and records of Enerdyne and present fairly the
results of operations, equity transactions and changes of
Enerdyne for the periods indicated.

(c)  Enerdyne has no debt, liability, or obligation of any
nature, whether accrued, absolute, contingent, or otherwise, and
whether due or to become due, that is not reflected or reserved
against in the Enerdyne Interim Financials, except for those
(i) that may have been incurred after March 31, 1998, (ii) that
are not required by GAAP to be included in a balance sheet or the
notes thereto (except that Enerdyne has not established any
reserves with respect to the costs and fees associated with this
Agreement and the transactions contemplated herein), or
(iii) that would not individually or in the aggregate have a
Material Adverse Effect.  All debts, liabilities, and obligations
incurred after the date of the Enerdyne Financial Statements were
incurred in the ordinary course of business, and are usual and
normal in amount, both individually and in the aggregate.

(d)  The Enerdyne Disclosure Schedule sets forth an accurate and
complete breakdown and aging of all accounts receivable, notes
receivable, and other receivables of Enerdyne as of March 31,
1998.  Except as set forth on the Enerdyne Disclosure Schedule
all existing accounts receivable of Enerdyne (including those
accounts receivable reflected on the Enerdyne Interim Financials
that have not yet been collected and those accounts receivable
that have arisen since March 31, 1998 that have not yet been
collected) (i) represent valid obligations of customers of
Enerdyne arising from bona fide transactions entered into in the
ordinary course of business and (ii) are current and, to the
knowledge of Enerdyne, no facts or circumstances exist which
would provide any such customer with any counterclaim or setoff.

(e)  The inventories of materials and supplies shown on the
Enerdyne Interim Financials consist of items of a quality and
quantity usable and salable in the ordinary course of business
except for obsolete and slow-moving items and items below
standard quality, all of which have been written down to net
realizable market value or have been provided for by adequate
reserves.  All such items of inventory are currently the property
of Enerdyne, except for sales made in the ordinary course of
business since March 31, 1998; and for each of these sales either
the purchaser has made full payment or the purchaser's liability
to make payment is reflected in the books of Enerdyne.  No items
included in such inventories have been pledged as collateral or
are held by Enerdyne on consignment from others.  The inventories
shown on all balance sheets included in the Enerdyne Interim
Financials and the Enerdyne Financial Statements are based on
quantities determined by physical count or measurement and are
valued at the lower of cost (determined on an average cost basis)
or market value and on a basis consistent with that of prior
years.
           2.5 Tax Matters.

               (a)  Enerdyne has fully and timely, properly and accurately
filed all tax returns and reports required to be filed by it, including
all federal, foreign, state and local tax returns and estimates
for all years and periods (and portions thereof) for which any
such returns, reports or estimates were due.  All such returns,
reports and estimates were prepared in the manner required by
applicable law in all material respects.  All income, sales, use,
occupation, property or other taxes or assessments due from
Enerdyne prior to the Closing Date have been paid or will be paid
on or before the Closing Date.  There are no pending assessments,
asserted deficiencies or claims for additional taxes that have
not been paid or reserved for.  The reserves for taxes, if any,
reflected on the Enerdyne Financial Statements are adequate, and
there are no tax liens on any property or assets of Enerdyne
(other than liens for taxes not yet due and payable).  There have
been no audits or examinations of any Enerdyne tax returns or
reports by any applicable governmental agency.  No facts exist
which would constitute grounds for a disallowance of any
deduction taken in any tax returns and reports filed by Enerdyne.
To Enerdyne's knowledge, no facts exist or have existed which
would constitute grounds for the assessment of any penalty or any
further tax liability beyond that shown on the respective tax
reports, returns or estimates.  There are no outstanding
agreements or waivers extending the statutory period of
limitation applicable to any federal, foreign, state or local tax
return or report for any period.

(b)  All taxes which Enerdyne has been required to collect or
withhold have been duly withheld or collected and, to the extent
required, have been paid to the proper taxing authority.

(c)  Enerdyne is not a party to any tax-sharing agreement or
similar arrangement with any other party.

(d)  At no time has Enerdyne been included in the federal
consolidated income tax return of any affiliated group of
corporations.

(e)  Enerdyne will not be required to include any adjustment in
taxable income for any tax period (or portion thereof) ending
after the Closing Date pursuant to Section 481(c) of the Code or
any provision of the tax laws of any jurisdiction requiring tax
adjustments as a result of a change in method of accounting
implemented by Enerdyne prior the Closing Date for any tax period
(or portion thereof) ending on or before the Closing Date or
pursuant to the provisions of any agreement entered into by
Enerdyne prior to the Closing Date with any taxing authority with
regard to the tax liability of Enerdyne for any tax period (or
portion thereof) ending on or before the Closing Date.

(f)  Enerdyne is not currently under any contractual obligation
to pay to any Governmental Body any tax obligations of, or with
respect to any transaction relating to, any other person or to
indemnify any other person with respect to any tax, other than
pursuant to this Agreement.

           2.6 Enerdyne Projections.  Section 2.6 of the Enerdyne
Disclosure Schedule itemizes the projections of Enerdyne
regarding all quotations, commitments or proposals (including,
without limitation, development projects) made by Enerdyne which
may result in future sales.  All orders that have been accepted
by the Company will be satisfied in the normal course of business
within three months after such orders were placed, if such
delivery schedule was agreed upon at the time the order was
placed.

           2.7 Absence of Certain Changes or Events.  From March 31, 1998,
to the date of this Agreement:

               (a)  there has not been any Material Adverse Change in
Enerdyne's financial condition or in the operations of Enerdyne's business
prospects, assets or income, nor any Material Adverse Change in
its balance sheet (with the Enerdyne Financial Statements and any
subsequent balance sheet analyzed as if each had been prepared
according to GAAP exclusive of footnotes and year-end
adjustments), and including but not limited to cash distributions
or material decreases in the net assets of Enerdyne;

(b)  there has not been any damage, destruction or loss of
property of Enerdyne, whether or not covered by insurance, in an
aggregate amount in excess of Ten Thousand Dollars ($10,000);

(c)  no grant or agreement to make any increase in the
compensation payable or to become payable by Enerdyne to its
officers or employees, has been made except those occurring in
the ordinary course of business;

(d)  no dividend or other distribution has been declared, set
aside or paid on or in respect of the capital stock of Enerdyne,
nor has any direct or indirect redemption, retirement, purchase
or other acquisition by Enerdyne of such shares occurred;

(e)  Enerdyne has not issued any shares of capital stock of
Enerdyne or any warrants, rights, options or entered into any
commitment relating to the shares of Enerdyne;

(f)  Enerdyne has not made any change in the accounting methods
or practices it follows, whether for general financial or tax
purposes, or any change in depreciation or amortization policies
or rates adopted therein;

(g)  Enerdyne has not sold, leased, abandoned or otherwise
disposed of any real property or any machinery, equipment or
other operating property other than in the ordinary course of
business;

(h)  Enerdyne has not sold, assigned, transferred, licensed or
otherwise disposed of any patent, trademark, trade name, brand
name, copyright (or pending application for any patent, trademark
or copyright), invention, work of authorship, process, know-how,
formula or trade secret or interest thereunder or other
intangible asset, except in the ordinary course of its business;

(i)  Enerdyne has not been involved in any legal proceeding or
received any threat of litigation involving any employee which
may result in a material liability to Enerdyne;

(j)  Enerdyne has not engaged in any activity or entered into any
material commitment or transaction (including without limitation
any borrowing or capital expenditure), in either case, other than
in the ordinary course of business;

(k)  Enerdyne has not incurred any liabilities, contingent or
otherwise, either matured or unmatured (whether or not required
to be reflected in financial statements in accordance with GAAP,
and whether due or to become due), except for (i) liabilities
identified as such in the of the Enerdyne Interim Financials,
(ii) accounts payable, accrued taxes or accrued salaries that
have been incurred by Enerdyne since March 31, 1998 in the
ordinary course of business and consistent with Enerdyne's past
practices, (iii) liabilities which individually or in the
aggregate would not have a Material Adverse Effect, and
(iv) liabilities in Section 2.7 (k) of the Enerdyne Disclosure
Schedule;
(l)  Enerdyne has not permitted or allowed any of its material
property or assets to be subjected to any mortgage, deed of
trust, pledge, lien, security interest or other encumbrance of
any kind, except those permitted under Section  2.8 hereof, other
than any purchase money security interests incurred in the
ordinary course of business;
(m)  Enerdyne has not made any capital expenditure or commitment
for additions to property, plant or equipment individually in
excess of Ten Thousand Dollars ($10,000), or in the aggregate, in
excess of Fifty Thousand Dollars ($50,000);
(n)  Enerdyne has not paid, loaned or advanced any amount to, or
sold, transferred or leased any properties or assets to, or
entered into any agreement or arrangement with any of its
officers, directors or shareholders or, to Enerdyne's knowledge,
any Affiliate or associate of any of the foregoing;
(o)  Enerdyne has not made any amendment to, or terminated any
agreement which, if not so amended or terminated, would be
required to be disclosed on the Enerdyne Disclosure Schedule; or
(p)  Enerdyne has not agreed to take any action described in this
Section  2.7 or outside of its ordinary course of business or
which would constitute a breach of any of the representations
contained in this Agreement.

           2.8 Title and Related Matters.  Enerdyne has good and marketable
title to all the properties, interests in properties and assets,
real and personal, reflected in the Enerdyne Financial Statements
or acquired after the date of the Enerdyne Financial Statements
(except properties, interests in properties and assets sold or
otherwise disposed of since the date of the Enerdyne Financial
Statements in the ordinary course of business), free and clear of
all mortgages, liens, pledges, charges or encumbrances of any
kind or character, except the lien of current taxes not yet due
and payable, brokers' fees and expenses and except for liens
which in the aggregate do not secure more than Ten Thousand
Dollars ($10,000) in liabilities.  The equipment of Enerdyne used
in the operation of its business is in good operating condition
and repair, normal wear and tear excepted.  All real or personal
property leases to which Enerdyne is a party are, to Enerdyne's
knowledge, valid, binding, enforceable and effective in
accordance with their respective terms, subject to (i) laws of
general application relating to bankruptcy, insolvency, and the
relief of debtors and (ii) rules of law governing specific
performance, injunctive relief and other equitable remedies.
There is not under any of such leases any existing default by
Enerdyne or event of default or event which, with notice or lapse
of time or both, would constitute a default.  The Enerdyne
Disclosure Schedule contains a listing of all real and personal
property leased or owned by Enerdyne, describing Enerdyne's
interest in said property.  True and correct copies of Enerdyne's
leases have been provided to Boatracs or its representatives

 2.9 Proprietary Rights and Warranty Claims.

               (a)  Section 2.9(a)(i) of the Enerdyne Disclosure Schedule sets
forth, with respect to each Enerdyne Proprietary Asset registered
with any Governmental Body or for which an application for
registration has been filed with any Governmental Body, (i) a
brief description of such Proprietary Asset, and (ii) the names
of the jurisdictions covered by the applicable registration or
application.  Section 2.9(a)(ii) of the Enerdyne Disclosure
Schedule identifies and provides a brief description of each
Proprietary Asset licensed to Enerdyne by any Person (except for
any Proprietary Asset that is licensed to Enerdyne under any
third party software license generally available to the public at
a cost of less than Ten Thousand Dollars ($10,000)), and
identifies the license agreement under which such Proprietary
Asset is being licensed to Enerdyne.  Except as set forth in
Section 2.9(a)(iii) of the Enerdyne Disclosure Schedule, Enerdyne
has valid and marketable title to all Enerdyne Proprietary Assets
used in or necessary for the conduct of its business free and
clear of all material liens and other encumbrances, except for
third party rights licensed to it, which it has a valid right to
use with respect to such Enerdyne Proprietary Assets (all of the
foregoing are referred to herein as "Enerdyne Proprietary
Rights").  Except as set forth in Section 2.9(a)(iv) of the
Enerdyne Disclosure Schedule, Enerdyne is not obligated to make
any material payment to any Person for the use of any Enerdyne
Proprietary Asset.  Except as set forth in Section 2.9(a)(v) of
the Enerdyne Disclosure Schedule, Enerdyne has not developed
jointly with any other Person any Enerdyne Proprietary Asset with
respect to which such other Person has any rights.

(b)  Except as set forth in Section 2.9(b) of the Enerdyne
Disclosure Schedule, Enerdyne has taken all reasonable and
customary measures and precautions necessary to protect and
maintain the confidentiality and secrecy of all Enerdyne
Proprietary Assets (except Enerdyne Proprietary Assets whose
value would be unimpaired by public disclosure) and otherwise to
maintain and protect the value of all Enerdyne Proprietary
Assets.  Except as set forth in Section 2.9(b) of the Enerdyne
Disclosure Schedule or for portions and components delivered to
third parties for interface design and testing purposes, Enerdyne
has not disclosed or delivered, or permitted the disclosure of or
delivery to any Person, other than employees or consultants who
have signed confidentiality agreements, the source code or
circuit board diagrams, or any portion or aspect of the source
code or circuit board diagrams, of any Enerdyne Product.  At the
time such portions and components were delivered, Enerdyne did
not expect the recipient to become a competitor for the Enerdyne
Products incorporating such portions and components and, absent
reverse engineering, such portions or components were not
sufficient to permit the recipient to develop competitive
products.  The custom and practice of Enerdyne with respect to
delivery of such limited portions or components has not changed
to any material degree in the last two years.

(c)  Enerdyne is not infringing, misappropriating or making any
unlawful use of, and Enerdyne has not at any time infringed,
misappropriated or made any unlawful use of, and Enerdyne has not
received any notice or other communication (in writing or
otherwise) of any actual, alleged, possible or potential
infringement, misappropriation or unlawful use of, any
Proprietary Asset owned or used by any other Person.  To
Enerdyne's knowledge, no other Person is infringing,
misappropriating or making any unlawful use of, and no
Proprietary Asset owned or used by any other Person infringes or
conflicts with, any Enerdyne Proprietary Asset.

(d)  Except as set forth in Section 2.9(d) of the Enerdyne
Disclosure Schedule or to the extent of rework activities in the
ordinary course of business in amounts consistent with past
practice:  (i) each Enerdyne Product conforms in all material
respects with any specification, documentation, performance
standard, representation or statement made or provided with
respect thereto by or on behalf of Enerdyne and (ii) there has
not been during the last three years any claim made against
Enerdyne by any customer or other Person alleging that any
Enerdyne Product (including each version thereof that has been
licensed or otherwise made available by Enerdyne to any Person)
does not conform in all material respects with any specification,
documentation, performance standard, representation or statement
made or provided by or on behalf of Enerdyne, and, to Enerdyne's
knowledge, there is not a reasonable basis for any such claim.
No product liability or warranty claims which individually or in
the aggregate could exceed the reserves therefor on the Enerdyne
Financial Statements have been communicated to, or threatened
against, Enerdyne.

(e)  The Enerdyne Proprietary Assets constitute all the
Proprietary Assets necessary to enable Enerdyne to conduct its
business in the manner in which such business has been and is
being conducted.  Except as set forth in Section 2.9(e) of the
Enerdyne Disclosure Schedule, (i) Enerdyne has not licensed any
of the Enerdyne Proprietary Assets to any Person and
(ii) Enerdyne has not entered into any covenant not to compete or
contract limiting its ability to exploit fully any of the
Enerdyne Proprietary Assets or to transact business in any market
or geographical area or with any Person.

(f)  Except as set forth in Section 2.9(f) of the Enerdyne
Disclosure Schedule, (i) all current and former employees of
Enerdyne (if employed in the last three years) have executed and
delivered to Enerdyne an agreement (containing no exceptions to
or exclusions from the scope of its coverage relevant to
Enerdyne's business) that is substantially identical to the form
of the Confidentiality, Trade Secret and Intangible Assignment
Agreement previously delivered to Boatracs, and (ii) all current
and former consultants and independent contractors to Enerdyne
(if employed in the last three years) providing technical
services relating to Enerdyne's Proprietary Assets have executed
and delivered to Enerdyne an agreement (containing no exceptions
to or exclusions from the scope of its coverage relevant to
Enerdyne's business), the material provisions of which are in
substance similar to the terms of the form of the
Confidentiality, Trade Secret and Intangible Assignment Agreement
previously delivered to Boatracs.
           2.10     Employee Benefit Plans.

               (a)  As used in this Section 2.10, the following terms have the
meanings set forth below.

     "Company Plan" means all plans as given the meaning in ERISA
 3(3) of which Enerdyne is or was a Plan Sponsor, or to which
Enerdyne otherwise contributes or has contributed, or in which
Enerdyne otherwise participates or has participated.

     "Multi-Employer Plan" has the meaning given in ERISA
3(37)(A).

     "Other Benefit Obligations" means all obligations,
arrangements, or customary practices, whether or not legally
enforceable, to provide benefits, other than salary, as
compensation for services rendered, to present or former
directors, employees, or agents, other than obligations,
arrangements, and practices that are plans as given the meaning
in ERISA  3(3) and which are owned, adopted or followed by
Enerdyne.  Other Benefit Obligations include consulting
agreements under which the compensation paid does not depend upon
the amount of service rendered, sabbatical policies, severance
payment policies, and fringe benefits within the meaning of Code
 132.

     "PBGC" means the Pension Benefit Guaranty Corporation, or
any successor thereto.

     "Pension Plan" has the meaning given in ERISA  3(2)(A).

     "Plan Sponsor" has the meaning given in ERISA  3(16)(B).

     "Qualified Plan" means any Company Plan that meets or
purports to meet the  requirements of Code  401(a).

     "Title IV Plans" means all Pension Plans that are subject to
Title IV of ERISA, 29 U.S.C.  1301 et seq., other than Multi-
Employer Plans.

     "Welfare Plan" has the meaning given in ERISA  3(1).

               (b)  The Enerdyne  Disclosure Schedule contains the following
information:

                    (i)  Section 2.10(b)(i) of the Enerdyne Disclosure Schedule
contains a complete and accurate list of all Company Plans and
Other Benefit Obligations, and identifies as such all Company
Plans that are (A) defined benefit Pension Plans, (B) Qualified
Plans, (C) Title IV Plans, or (D) Multi-Employer Plans.

(ii) Section 2.10(b)(ii) of the Enerdyne Disclosure Schedule sets
forth a calculation of the liability of Enerdyne for post-
retirement benefits other than pensions, made in accordance with
Financial Accounting Statement 106 of the Financial Accounting
Standards Board, regardless of whether Enerdyne is required by
this Statement to disclose such information.

(iii)     Section 2.10(b)(iii) of the Enerdyne Disclosure
Schedule sets forth the financial cost of all obligations owed
under any Company Plan or Other Benefit Obligation that is not
subject to the disclosure and reporting requirements of ERISA.
               (c)  The Shareholders or Enerdyne have delivered to Boatracs:

                    (i)

all documents that set forth the terms of
each Company Plan or Other Benefit Obligation and of any related
trust and any amendments to such documents (and descriptions of
amendments that have not been reduced to writing), including
(A) all plan descriptions, summary plan descriptions and summary
of material modifications of Company Plans for which the
Shareholders or Enerdyne are required to prepare, file, and
distribute plan descriptions and summary plan descriptions, and
(B) all summaries and descriptions furnished to participants and
beneficiaries regarding Company Plans and Other Benefit
Obligations, for which a plan description or summary plan
description is not required;

(ii) all personnel, payroll, and employment manuals and written
policies;

(iii)     all collective bargaining agreements pursuant to which
contributions have been made or obligations incurred (including
both pension and benefits) by Enerdyne, and all collective
bargaining agreements pursuant to which contributions are being
made or obligations are owed by such entities;

(iv) a written description of any Company Plan or Other Benefit
Obligation that is not otherwise in writing;

(v)  all registration statements filed with respect to any
Company Plan;

(vi) all insurance policies purchased by or to provide benefits
under any Company Plan;

(vii)     all contracts with third party administrators,
actuaries, investment managers, consultants, and other
independent contractors that relate to any Company Plan or Other
Benefit Obligation;

(viii)    all reports (other than routine correspondence)
submitted within the four years preceding the date of this
Agreement by third party administrators, actuaries, investment
managers, consultants, or other independent contractors with
respect to any Company Plan or Other Benefit Obligation;

(ix) all notifications to employees of their rights under ERISA
601 et seq. and Code   4980B;

(x)  the Form 5500 filed in each of the most recent three plan
years with respect to each Company Plan, including all schedules
thereto and the opinions of independent accountants;

(xi) all notices and correspondence that were given by Enerdyne
or any Company Plan to the Internal Revenue Service ("IRS"), the
PBGC, or any participant or beneficiary, pursuant to statute,
within the two years preceding the date of this Agreement,
including notices that are expressly mentioned elsewhere in this
Section 2.10;

(xii)     all notices and correspondence that were given by the
IRS, the PBGC, or the Department of Labor to Enerdyne or any
Company Plan within the four years preceding the date of this
Agreement;

(xiii)    with respect to Qualified Plans, the most recent
determination letter for each Company Plan of Enerdyne that is a
Qualified Plan; and

(xiv)     with respect to Title IV Plans, the Form PBGC-1 filed
for each of the three most recent plan years.
               (d)  Except as set forth in Section 2.10(d) of the Enerdyne
Disclosure Schedule:

                    (i)  Enerdyne has performed all of its obligations under all
Company Plans and Other Benefit Obligations.  Enerdyne has made
appropriate entries in its financial records and statements for
all obligations and liabilities under such Company Plans and
Other Benefit Obligations that have accrued but are not due.  The
Qualified Title IV Profit Sharing Plan is fully funded.

(ii) No statement, either written or oral, has been made by
Enerdyne to any Person with regard to any Company Plan or Other
Benefit Obligation that was not in accordance with the Company
Plan or Other Benefit Obligation and that could have a Material
Adverse Effect upon Enerdyne or Boatracs.

(iii)     Enerdyne is, with respect to all Company Plans and
Other Benefits Obligations, and each Company Plan and Company
Other Benefit Obligation is, in full compliance with ERISA, the
Code, and other applicable laws, rules and regulations including
the provisions of such laws, rules and regulations that are
expressly mentioned in this Section 2.10.

(1)  No transaction prohibited by ERISA  406 and no "prohibited
transaction" under Code  4975(c) have occurred with respect to
any Company Plan.

(2)  No Shareholder nor Enerdyne has any liability to the IRS
with respect to any Company Plan, including any liability imposed
by Chapter 43 of the Code.

(3)  No Shareholder nor Enerdyne has any liability to the PBGC
with respect to any Company Plan or has any liability under ERISA
 502 or  4071.

(4)  All filings required by ERISA and the Code as to each
Company Plan have been timely filed, and all notices and
disclosures to participants required by either ERISA or the Code
have been timely provided.

(5)  All contributions and payments made or accrued with respect
to all Company Plans and Other Benefit Obligations are deductible
under Code  162 or Section 404.  No amount, or any asset of any
Company Plan is subject to tax as unrelated business taxable
income.
(iv) Except as otherwise required by the provisions of the Code
or ERISA, each Company Plan can be terminated within thirty (30)
days, without payment of any additional contribution or amount
and without the vesting or acceleration of any benefits promised
by such Company Plan.

(v)  Since March 31, 1998, there has been no establishment or
amendment of any Company Plan or Other Benefit Obligation.

(vi) No event has occurred or circumstance exists, other than
general conditions that would affect other companies in a similar
fashion, that could result in a material increase in premium
costs of Company Plans or Other Benefit Obligations that are
insured, or a material increase in benefit costs of such Company
Plans and Other Benefit Obligations that are self-insured.

(vii)     Other than claims for benefits submitted by
participants or beneficiaries, no claim against, or legal
proceeding involving, any Company Plan or Other Benefit
Obligation is pending or, to the Shareholders' knowledge, is
threatened.

(viii)    Except as described in Section 2.10(d)(viii) of the
Enerdyne Disclosure Schedule, no Company Plan is a stock bonus,
pension, or profit-sharing plan within the meaning of Code
 401(a).

(ix) Each Qualified Plan of Enerdyne is qualified in form and
operation under Code  401(a); each trust for each such Qualified
Plan is exempt from federal income tax under Code  501(a); no
event has occurred or circumstance exists that will or could give
rise to disqualification or loss of tax-exempt status of any such
Qualified Plan or trust.

(x)  Enerdyne has met the minimum funding standard, and has made
all contributions required, under ERISA  302 and Code  412.

(xi) No Company Plan is subject to Title IV of ERISA.

(xii)     Enerdyne has paid all amounts due to the PBGC pursuant
to ERISA  4007.

(xiii)    Enerdyne has not ceased operations at any facility or
has withdrawn from any Title IV Plan in a manner that would
subject Enerdyne, Boatracs or any entity or Person to liability
under ERISA  4062(e),  4063, or  4064.

(xiv)     Enerdyne has not filed a notice of intent to terminate
any Company Plan nor has Enerdyne adopted any amendment to treat
a Company Plan as terminated.  The PBGC has not instituted
proceedings to treat any Company Plan as terminated.  No event
has occurred or circumstance exists that may constitute grounds
under ERISA  4042 for the termination of, or the appointment of
a trustee to administer, any Company Plan.

(xv) No amendment has been made, or is reasonably expected to be
made, to any Company Plan that has required or could require the
provision of security under ERISA  307 or Code  401(a)(29).

(xvi)     No accumulated funding deficiency, whether or not
waived, exists with respect to any Company Plan; no event has
occurred or circumstance exists that may result in an accumulated
funding deficiency as of the last day of the current plan year of
any such Company Plan.

(xvii)    The actuarial report for each Pension Plan of Enerdyne
fairly presents the financial condition and the results of
operations of each such Plan in accordance with GAAP.

(xviii)   Since the last valuation date for each Pension Plan of
Enerdyne, no event has occurred or circumstance exists, other
than general conditions that would affect other companies in a
similar fashion, that would increase the amount of benefits under
any such Pension Plan or that would cause the excess of the
Pension Plan assets over benefit liabilities (as defined in ERISA
 4001) to decrease, or the amount by which benefit liabilities
exceed assets to increase.

(xix)     No reportable event (as defined in ERISA  4043 and in
regulations issued thereunder) has occurred.

(xx) No Shareholder nor Enerdyne has knowledge of any facts or
circumstances that may give rise to any liability of Enerdyne,
Boatracs or any other entity or Person to the PBGC under Title IV
of ERISA.

(xxi)     Enerdyne has not ever established, maintained, or
contributed to or otherwise participated in, or had an obligation
to maintain, contribute to, or otherwise participate in, any
Multi-Employer Plan.

(xxii)    Except to the extent required under ERISA  601 et seq.
and Code  4980B, Enerdyne neither provides health or welfare
benefits for any retired or former employee nor is it obligated
to provide health or welfare benefits to any active employee
following such employee's retirement or other termination of
service.

(xxiii)   Enerdyne has the right to modify and terminate benefits
to retirees (other than pensions) with respect to both retired
and active employees.

(xxiv)    The Shareholders and Enerdyne have complied with the
provisions of ERISA  601 et seq. and Code  4980B.

(xxv)     No payment that is owed or may become due to any
director, officer, employee, or agent of Enerdyne will be
non-deductible to Enerdyne or subject to tax under Code  280G or
 4999; nor will Enerdyne be required to "gross up" or otherwise
compensate any such person because of the imposition of any
excise tax on a payment to such person.

(xxvi)    The consummation of the transactions under this
Agreement will not result in the payment, vesting, or
acceleration of any benefit.

           2.11     Bank Accounts.  The Enerdyne Disclosure Schedule sets
forth the names and locations of all banks, savings and loan
associations, and other financial institutions at which Enerdyne
maintains accounts of any nature and the names of all persons
authorized to draw thereon or make withdrawals therefrom.

           2.12     Contracts.

               (a)  The Enerdyne Disclosure Schedule identifies each material
license agreement, development agreement, manufacturing and
supply agreement, sales representative agreement, distribution
agreement, and OEM agreement to which Enerdyne is a party.

(b)  Except as set forth in Section 2.12(b) of the Enerdyne
Disclosure Schedule,
(i)  Enerdyne has no agreements, contracts or commitments that
call for prospective fixed and/or contingent payments or
expenditures by or to Enerdyne of more than Ten Thousand
Dollars ($10,000) other than those entered into in the ordinary
course of business concerning the sale of Enerdyne Products;

(ii) There are no outstanding sales contracts, commitments or
proposals (including, without limitation, development projects)
of Enerdyne that Enerdyne currently expects to result either
individually or in the aggregate in any material loss to Enerdyne
upon completion or performance thereof;

(iii)     Enerdyne has no outstanding agreements, contracts or
commitments with officers, employees, agents, consultants,
advisors, salesmen, sales representatives, distributors or
dealers that are not cancelable by it on notice of not longer
than ninety days and without liability, commission, penalty or
premium exceeding Five Thousand Dollars ($5,000) in any single
instance or Twenty Thousand Dollars ($20,000) in the aggregate;

(iv) Enerdyne has no currently effective collective bargaining or
union agreements, contracts or commitments;

(v)  Enerdyne is not restricted by agreement from competing with
any person or from carrying on its business anywhere in the
world;

(vi) Enerdyne is under no liability or obligation, and no such
outstanding claim has been made, with respect to the return to
Enerdyne of inventory or merchandise in the possession of
wholesalers, distributors, retailers, or other customers, except
such liabilities, obligations and claims as, in the aggregate, do
not exceed the reserves therefor set forth in the Enerdyne
Financial Statements;

(vii)     Enerdyne has not guaranteed any obligations of other
persons or made any agreements to acquire or guarantee any
obligations of other persons; and

(viii)    Enerdyne has no outstanding loan or advance to any
person; nor is it party to any line of credit, standby financing,
revolving credit or other similar financing arrangement of any
sort which would permit the borrowing by Enerdyne of any sum not
reflected in the Enerdyne Financial Statements.
               (c)  The Enerdyne Disclosure Schedule lists all agreements
pursuant to which Enerdyne has agreed to (i) manufacture for, or
supply to, any third party any Enerdyne Products or components
thereto or, (ii) purchase materials or supplies from third
parties, in either case requiring, or expected to require,
payments of Twenty-Five Thousand Dollars ($25,000) or more over
the life of any such agreement.  The Enerdyne Disclosure Schedule
also lists each vendor which is the sole source for any product
or component included in the Enerdyne Products which Enerdyne
believes is not readily available from other sources.

(d)  Enerdyne has delivered or made available to Boatracs or its
representatives accurate and complete copies of all written
contracts identified in Section 2.12 of the Enerdyne Disclosure
Schedule, including all amendments thereto.  Enerdyne has not
entered into any material oral contracts.  Each contract
identified in Section 2.12 of the Enerdyne Disclosure Schedule (a
"Material Contract") is valid and in full force and effect, and
to the knowledge of Enerdyne is enforceable by Enerdyne in
accordance with its terms, subject to (i) laws of general
application relating to bankruptcy, insolvency and the relief of
debtors and (ii) rules of law governing indemnification, specific
performance, injunctive relief and other equitable remedies.  No
such contract, agreement or instrument contains any liquidated
damages, penalty or similar provision.  To Enerdyne's knowledge,
no party to any such contract, agreement or instrument intends to
cancel, withdraw, modify or amend such contract, agreement or
instrument.
(e)  Except as set forth in Section 2.12 of the Enerdyne
Disclosure Schedule:
(i)  Enerdyne has not violated or breached, or committed any
default under, any Material Contract, and, to Enerdyne's
knowledge, no other Person has violated or breached, or committed
any default under, any Material Contract, which violation, breach
or default would individually or in the aggregate have a Material
Adverse Effect; and

(ii) No event has occurred, and no circumstance or condition
exists, that (with or without notice or lapse of time) will, or
could reasonably be expected to, (A) result in a violation or
breach of any of the provisions of any Material Contract,
(B) give any Person the right to declare default or exercise any
remedy under any Material Contract, (C) give any Person the right
to accelerate the maturity or performance of any Material
Contract or (D) give any Person the right to cancel, terminate or
modify any Material Contract, other than such violations,
breaches, defaults, exercises, accelerations, cancellations,
terminations or modifications which individually or in the
aggregate would have a Material Adverse Effect.

           2.13     Orders, Commitments and Returns.  All accepted and
unfilled orders entered into by Enerdyne for the sale, license,
or lease or other disposition by Enerdyne of its products, and
all agreements, contracts, or commitments for the purchase of
supplies by Enerdyne, were made in the ordinary course of
business.  No outstanding material purchase or outstanding lease
commitment of Enerdyne is in excess of the normal, ordinary and
usual requirements of its business or was made at a price (on
both a per unit and aggregate basis) in excess of the current
market price at the time made, or contains terms and conditions
materially more onerous to Enerdyne than those usual and
customary in the industry.

           2.14     Compliance With Law.  Enerdyne is in compliance in all
material respects with all applicable laws and regulations.
Neither Enerdyne nor, to Enerdyne's knowledge, any of its
employees has directly or indirectly paid or delivered any fee,
commission or other sum of money or item of property, however
characterized, to any finder, agent, government official or other
party in the United States or any other country, that was or is
in violation of any federal, state, or local statute or law or of
any statute or law of any other country having jurisdiction.
Enerdyne has not participated directly or indirectly in any
boycotts or other similar practices affecting any of its
customers.  Enerdyne has complied in all material respects at all
times with any and all applicable federal, state and foreign
laws, rules, regulations, proclamations and orders relating to
the importation or exportation of its products.  All licenses,
franchises, permits and other governmental authorizations held by
Enerdyne and which are material to its business are valid and
sufficient in all respects for the business presently carried on
by Enerdyne.  All representations and certifications made by
Enerdyne in any contract with the government were true and
correct as of the date made and, to the extent intended to
continue in effect, continue to be true and correct as of the
date hereof.

           2.15     Labor Matters.

(a)  Enerdyne is not engaged in any unfair labor practice and is
not in violation of any applicable laws relating to employment
and employment practices, terms and conditions of employment, and
wages and hours.

(b)  There is no unfair labor practice complaint against Enerdyne
pending or threatened before the National Labor Relations Board.

(c)  There is no strike, labor dispute, slowdown, or stoppage
pending or threatened against Enerdyne.

(d)  No union representation question exists with respect to the
employees of Enerdyne and, to Enerdyne's knowledge, no union
organizing activities are taking place.

(e)  No grievance or arbitration proceeding arising out of or
under any collective bargaining agreement is pending and to
Enerdyne's knowledge no claims therefor exist.

(f)  No agreement that is binding on Enerdyne restricts it from
relocating or closing any of its operations.

(g)  Enerdyne has not experienced any work stoppage or other
labor difficulty.

(h)  There is and has not been any claim against Enerdyne based
on actual or alleged wrongful termination or on actual or alleged
race, age, sex, disability or other harassment or discrimination,
or similar tortious conduct, nor to Enerdyne's knowledge, is
there any reasonable basis for any such claim.

(i)  Enerdyne is not aware of any key Enerdyne employee who
intends to terminate his or her employment with Enerdyne.

           2.16     Trade Regulation. Enerdyne has not terminated its
relationship with or refused to ship Enerdyne Products to any
dealer, distributor, OEM, third party marketing entity or
customer which had theretofore paid or been obligated to pay
Enerdyne in excess of Ten Thousand Dollars ($10,000) over any
consecutive twelve (12) month period.  The prices charged by
Enerdyne in connection with the marketing or sale of any products
or services have been in compliance in all material respects with
all applicable laws and regulations.  No claims against Enerdyne
have been communicated or threatened to Enerdyne with respect to
wrongful termination of any dealer, distributor or any other
marketing entity, discriminatory pricing, price fixing, unfair
competition, false advertising, or any other violation of any
laws or regulations relating to anti-competitive practices or
unfair trade practices of any kind, and to Enerdyne's knowledge,
no specific situation, set of facts, or occurrence provides a
reasonable basis for any such claim.

           2.17     Insider Transactions.  No Affiliate of Enerdyne has any
interest in (i) any equipment or other material property, real or
personal, tangible or intangible, including, without limitation,
any Proprietary Asset, used in connection with or pertaining to
the business of Enerdyne or, (ii) any creditor, supplier,
customer, manufacturer, agent, representative, or distributor of
Enerdyne Products; provided, however, that no such Affiliate or
other person shall be deemed to have such an interest solely by
virtue of (a) the ownership of less than one percent (1%) of the
outstanding stock or debt securities of any publicly-held company
whose stock or debt securities are traded on a recognized stock
exchange or quoted on the National Association of Securities
Dealers Automated Quotation System, or (b) such person's status
as a general or limited partner of a venture capital or similar
fund, which fund is also a holder of the securities of such
creditor, supplier, customer, manufacturer, agent, representative
or distributor.

           2.18     Employees, Independent Contractors and Consultants.
The Enerdyne Disclosure Schedule lists all currently effective
consulting, independent contractor and/or employment agreements
and other material agreements concluded with individual
employees, independent contractors or consultants to which
Enerdyne is a party other than those terminable at will or within
thirty (30) days.  If oral, the Enerdyne Disclosure Schedule also
contains a brief summary of such agreements.  True and correct
copies of all such written agreements have been provided to
Boatracs or its representatives.  The Enerdyne Disclosure
Schedule lists (i) the names of all persons currently employed by
Enerdyne and the salaries and other compensation arrangements
(bonus, deferred compensation, etc.) for each such person.  The
Enerdyne Disclosure Schedule sets forth the approximate aggregate
accrued vacation and severance pay for such persons as of
March 31, 1998.

           2.19     Insurance.  The Enerdyne Disclosure Schedule contains a
list of the policies of fire, liability and other forms of
insurance held by Enerdyne.  To Enerdyne's knowledge, Enerdyne
has not done anything, either by way of action or inaction, that
might reasonably be expected to invalidate such policies in whole
or in part.

           2.20     Litigation.  There are no suits, actions or proceedings
pending or, to Enerdyne's knowledge, threatened against Enerdyne
which could have a Material Adverse Effect or which question or
challenge the validity of this Agreement or the Transaction
Documents.  There is no judgment, decree, injunction, rule or
order of any court, governmental department, commission, agency,
instrumentality or arbitrator outstanding against Enerdyne.

           2.21     Section 341(f)(2).  Enerdyne has not, with regard to
any property or assets held, acquired or to be acquired by it, at
any time, filed a consent to the application of Section 341(f)(2)
of the Code nor will any such consent be filed before the
Closing.

           2.22     Subsidiaries.  Enerdyne has no subsidiaries.  Enerdyne
does not own or control (directly or indirectly) any capital
stock, bonds or other securities of, and does not have any
proprietary interest in, any other corporation, general or
limited partnership, firm, association or business organization,
entity or enterprise, and Enerdyne does not control (directly or
indirectly) the management or policies of any other corporation,
partnership, firm, association or business organization, entity
or enterprise.

           2.23     Compliance with Environmental Requirements.  Enerdyne
has obtained all material permits, licenses and other
authorizations which are required under federal, state and local
laws applicable to Enerdyne and relating to pollution or
protection of the environment, including laws or provisions
relating to emissions, discharges, releases or threatened
releases of pollutants, contaminants, or hazardous or toxic
materials, substances, or wastes into air, surface water,
groundwater, or land, or otherwise relating to the manufacture,
processing, distribution, use, treatment, storage, disposal,
transport, or handling of pollutants, contaminants or hazardous
or toxic materials, substances, or wastes.  Enerdyne is in
material compliance with all terms and conditions of the required
permits, licenses and authorizations.  Enerdyne is not aware of,
nor has Enerdyne received written notice of, any conditions,
circumstances, activities, practices, incidents, or actions which
might reasonably form the basis of a claim, action, suit,
proceeding, hearing, or investigation of, by, against or relating
to Enerdyne, based on or related to the manufacture, processing,
distribution, use, treatment, storage, disposal, transport, or
handling, or the emission, discharge, release or threatened
release into the environment, of any pollutant, contaminant, or
hazardous or toxic substance, material or waste.

           2.24     Corporate Documents.  Enerdyne has furnished or made
available to Boatracs for its examination:  (i) copies of its
articles of incorporation and bylaws, (ii) its minute book
containing all records required to be set forth of all
proceedings, consents, actions, and meetings of the shareholders,
the board of directors and any committees thereof, (iii) any
material permits, orders, and consents issued by any regulatory
agency with respect to Enerdyne, or any securities of Enerdyne,
and all applications for such permits, orders, and consents, and
(iv) the stock transfer books of Enerdyne setting forth all
transfers of any capital stock.  The corporate minute books,
stock certificate books, stock registers and other corporate
records of Enerdyne are complete and accurate in all respects,
and the signatures appearing on all documents contained therein
are the true signatures of the persons purporting to have signed
the same.  All actions reflected in such books and records were
duly and validly taken in compliance in all material respects
with the laws of the applicable jurisdiction.

           2.25     No Brokers.  Except as set forth in Section 2.25 of the
Enerdyne Disclosure Schedule, neither Enerdyne nor the
Shareholders are obligated for the payment of fees or expenses of
any broker or finder in connection with the origin, negotiation
or execution of this Agreement or in connection with any
transaction contemplated hereby or thereby.

           2.26     Disclosure.  The statements by Enerdyne contained in
this Agreement, the exhibits and schedules hereto, and the
certificates or documents required to be delivered by Enerdyne to
Boatracs under this Agreement, taken as a whole, do not contain
any untrue statement of a material fact or omit to state a
material fact necessary in order to make the statements contained
herein or therein not misleading in light of the circumstances
under which they were made.

           2.27     Material Consents.  Enerdyne has obtained any and all
consents necessary with respect to the Material Contracts to
consummate the transactions contemplated by this Agreement.

           2.28     Cash Balance; Payment of Certain Expenses.  Enerdyne
has at least Two Hundred Twenty Thousand Dollars ($220,000) of
Cash and Cash Equivalents on hand at the Closing after paying or
making adequate provision for all of Enerdyne's legal fees, and
all other costs and expenses (including any broker or finder's
fees and expenses) incurred in connection with this Agreement and
the transactions contemplated herein.  These expenses shall be
paid on or before the Closing or through establishment and
funding of restricted accounts for payment of such amounts
following the Closing.

      3. SECTION 3  Representations and Warranties of the Shareholders.
The Shareholders jointly and severally represent and warrant to
Boatracs and Merger Sub as set forth below.

           3.1 Ownership of Enerdyne Securities.  The Shareholders are the
sole owners of all rights, title and interest in and to the
Enerdyne Securities free and clear of all liens and claims of any
third party.

           3.2 Boatracs Securities.

               (a)  The Shareholders have been advised that (i) the issuance of
shares of Boatracs Common Stock in connection with the Merger is
expected to be effected pursuant to an exemption from
registration under the Act, which exemption depends upon, among
other things, the bona fide nature of the Shareholders'
investment intent as expressed in Section 3.2(b) below and
(ii) the resale of such shares will be subject to the
restrictions set forth in Rule 144 promulgated under the Act
unless otherwise transferred pursuant to an effective
registration statement under the Act or an appropriate exemption
from registration.  Each Shareholder accordingly agrees not to
sell, pledge, transfer or otherwise dispose of any Boatracs
Common Stock issued to the Shareholders in the Merger unless
(i) such sale, transfer or other disposition is made in
conformity with the requirements of Rule 144, (ii) such sale,
pledge, transfer or other disposition is made pursuant to an
effective registration statement under the Act or an appropriate
exemption from registration, or (iii) the Shareholder delivers to
Boatracs a written opinion of counsel, reasonably acceptable to
Boatracs in form and substance, that such sale, pledge, transfer
or other disposition is otherwise exempt from registration under
the Act.

(b)  Each Shareholder will hold Boatracs Common Stock for
investment for such Shareholder's own account only and not with a
view to, or for resale in connection with, any "distribution"
thereof within the meaning of the Act.

(c)  Each Shareholder has had an opportunity to: (i) review this
Agreement, the exhibits hereto, all other documents contemplated
hereby, and the SEC reports (as defined in Section 4.5),
including the risk factors and cautionary language contained
therein; (ii) obtain legal and financial advice from experienced
advisors which the Shareholder considers sufficient to evaluate
the merits and risks of a prospective investment in Boatracs and
(iii) request any additional information regarding the business
and affairs of Boatracs as such Shareholder and the advisors of
such Shareholder consider appropriate to provide a full
understanding of or to evaluate the merits and risks of a
prospective investment in Boatracs; the Shareholders have
received such requested information.

      4. SECTION 4  Representations and Warranties of Boatracs and Merger
Sub.  Boatracs and Merger Sub represent and warrant to Enerdyne
and the Shareholders that:

           4.1 Organization and Good Standing.  Boatracs and Merger Sub are
corporations duly organized, validly existing and in good
standing under the laws of the State of California and each of
them has full power and authority to carry on its business as now
conducted and as proposed to be conducted.  Each of Boatracs and
Merger Sub is duly qualified or licensed to do business and in
good standing in each jurisdiction in which the nature of its
business or properties makes such qualification or licensing
necessary, except where the failure to qualify would not be
material to its business.

           4.2 Capitalization.

      (a)  The authorized capital stock of Boatracs as of the date of
this Agreement consists of:  (i) One Hundred Million
(100,000,000) Common Shares and (ii) One Million
(1,000,000) Preferred Shares of Boatracs.  As of April 30, 1998,
Fifteen Million Eight Hundred Sixty-One Thousand Three Hundred
Seventy-Seven (15,861,377) shares of Common Stock of Boatracs and
no shares of preferred stock of Boatracs were issued and
outstanding.

(b)  All of the outstanding shares of capital stock of Boatracs
have been duly authorized and validly issued, fully paid and are
nonassessable.  All outstanding shares of capital stock of
Boatracs were issued in compliance with applicable securities
laws.  The capital stock of Boatracs constituting Merger
Consideration will be duly authorized, fully paid and
nonassessable when issued.

           4.3 Power, Authorization and Validity.  Boatracs and Merger Sub
have the right, power, legal capacity and authority to enter into
and perform their obligations under this Agreement and the other
Transaction Documents to which they are a party.  The execution
and delivery of this Agreement and the other Transaction
Documents have been duly and validly approved and authorized by
the board of directors of Boatracs and Merger Sub.  No
authorization or approval, governmental or otherwise, is
necessary in order to enable Boatracs or Merger Sub to enter into
and to perform the terms of this Agreement or the other
Transaction Documents on their part to be performed, except for
(i) the filing of appropriate documents with the relevant
authorities of other states, if any, in which Boatracs and Merger
Sub are qualified to do business, and (ii) such other consents,
approvals, orders, authorizations, registrations, declarations
and filings as may be required under the laws of any foreign
country in which Boatracs or any of Boatracs' subsidiaries or
Merger Sub conducts any business or owns any property or assets.
This Agreement is, and the other Transaction Documents when
executed and delivered by Boatracs and Merger Sub shall be, the
valid and binding obligations of Boatracs and Merger Sub
enforceable in accordance with their respective terms.

           4.4 No Violation of Existing Agreements.  Neither the execution
and delivery of this Agreement nor the consummation of the
transactions contemplated herein will conflict with, or result in
a material breach or violation of, any provision of Boatracs' or
Merger Sub's articles of incorporation, and bylaws as currently
in effect, any instrument or contract to which Boatracs or Merger
Sub is a party or by which either of them is bound, or any
federal, state or local judgment, writ, decree, order, statute,
rule or regulation applicable to either of them.

           4.5 Litigation.  Except as noted in the forms, reports and
documents filed or required to be filed by Boatracs with the
Securities and Exchange Commission (the "SEC") since December 31,
1996 other than registration statements on Form S-8
(collectively, the "Boatracs SEC Reports") and other than the
actions disclosed to the Shareholders regarding SEACOR Marine,
Inc. and Globe Wireless, Inc., there is no suit, action,
proceeding, claim or investigation pending or, to Boatracs' or
Merger Sub's knowledge, threatened against Boatracs or Merger Sub
before any court or administrative agency which questions or
challenges the validity of this Agreement or which could have a
Material Adverse Effect.

           4.6 SEC Filings.  Boatracs has delivered to the Shareholders all
of the  Boatracs SEC Reports.  The Boatracs SEC Reports (i) at
the time filed, complied in all material respects with the
applicable requirements of the Act, and the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), as the case may be,
and (ii) did not at the time they were filed (or if amended or
superseded by a filing prior to the date of this Agreement, then
on the date of such filing) contain any untrue statement of a
material fact or omit to state a material fact required to be
stated in such Boatracs SEC Reports or necessary in order to make
the statements in such Boatracs SEC Reports, in the light of the
circumstances under which they were made, not misleading.

           4.7 Financial Statements.  Each of the consolidated financial
statements (including, in each case, any related notes) contained
in the Boatracs SEC Reports, complied as to form in all material
respects with the applicable published rules and regulations of
the SEC with respect thereto, was prepared in accordance with
GAAP applied on a consistent basis throughout the periods
involved (except as may be indicated in the notes to such
financial statements or, in the case of unaudited statements, as
permitted by Form 10-QSB promulgated by the SEC) and presented
fairly, in all material respects, the consolidated financial
position of Boatracs as at the respective dates and the
consolidated results of its operations and cash flows for the
periods indicated, except that the unaudited interim financial
statements were or are subject to normal and recurring year-end
adjustments which were not or are not expected to be material in
amount.

           4.8 Enerdyne Securities.  Boatracs and Merger Sub have had an
opportunity to: (i) review this Agreement, the exhibits hereto,
all other documents contemplated hereby; (ii) obtain legal and
financial advice from experienced advisors and (iii) request any
additional information regarding the business and affairs of
Enerdyne as Boatracs and Merger Sub consider appropriate to
provide a full understanding of or to evaluate the merits and
risks of a merger of Enerdyne with and into Merger Sub; the
Shareholders have received such requested  information.

      5. SECTION 5  Items to be Delivered by Boatracs or Merger Sub at the
Closing.  At the Closing, in addition to the Merger Consideration
Boatracs shall deliver each of the following:

           5.1 Boatracs Authorizations.  A certificate or certificates of
an executive officer of Boatracs attaching copies of the
resolutions authorizing (a) the execution, delivery and
performance of Boatracs' obligations under this Agreement and the
issuance of debt contemplated hereunder and certifying that such
resolutions have been duly and validly approved and authorized by
the Board of Directors of Boatracs and (b) the execution,
delivery and performance of Merger Subs' obligations under this
Agreement and certifying that such resolutions have been duly and
validly approved and authorized by the sole shareholder of Merger
Sub.

           5.2 Merger Sub Authorizations.  A certificate of an executive
officer of Merger Sub attaching copies of the resolutions
authorizing the execution, delivery and performance of Merger
Subs' obligations under this Agreement and the issuance of debt
contemplated hereunder  and certifying that such resolutions have
been duly and validly approved and authorized by the Board of
Directors of Merger Sub.

      6. SECTION 6  Documents to be Delivered by Enerdyne or the
Shareholders at Closing.  At the Closing, in addition to the
certificates for the Common Shares and Preferred Shares Enerdyne
and the Shareholders shall deliver each of the following:

           6.1 Authorizations.  A certificate of the Secretary of Enerdyne
attaching copies of the resolutions of Enerdyne's Board of
Directors and the Shareholders authorizing the execution,
delivery and performance of this Agreement and certifying that
such resolutions have been duly and validly approved and
authorized.

           6.2 Opinion of Enerdyne's Counsel.  An opinion in substantially
the form attached hereto as Exhibit I ("Opinion of Counsel to
Enerdyne").

           6.3 Resignations of Enerdyne's Directors and Officers.  The
written resignations, effective as of the Closing Date, of all
directors and officers of Enerdyne.

           6.4 Employment Agreements.  Employment Agreements substantially
in the form attached hereto as Exhibit J executed by each
Shareholders.

           6.5 Noncompetition Agreements.  Each of the Shareholders shall
have executed and delivered Noncompetition Agreements
substantially in the form attached hereto as Exhibit J.

      7. SECTION  7  Indemnification And Related Matters.

           7.1 Indemnification by Enerdyne and the Shareholders.  Subject
to the limitations set forth in this Section  7 and elsewhere in
this Agreement, the Shareholders shall, jointly and severally,
indemnify Boatracs against any Damages that Boatracs actually
incurs during the three-year period commencing on the Closing
Date as a result of any breach by Enerdyne or the Shareholders of
any representation, warranty or covenant of Enerdyne or the
Shareholders as set forth in Sections  2 or  3 hereof.  The
representations, warranties or covenants of Enerdyne and the
Shareholders shall not be limited or otherwise affected by, or as
a result of, any information furnished to, or any investigation
made by or knowledge of (except as specifically provided in the
Enerdyne Disclosure Schedule), any of the parties or any of their
representatives.

           7.2 Indemnification by Boatracs.  Subject to the limitations set
forth in this Section  7 and elsewhere in this Agreement,
Boatracs or the Merger Sub shall indemnify the Shareholders
against any Damages that the Shareholders actually incur during
the three-year period commencing on the Closing Date as a result
of any breach by Boatracs or the Merger Sub of any
representation, warranty or covenant of Boatracs as set forth in
Section  4.  The representations, warranties or covenants of
Boatracs shall not be limited or otherwise affected by, or as a
result of, any information furnished to, or any investigation
made by or knowledge of any of the parties or any of their
representatives.

           7.3 Expiration of Representations, Warranties and Covenants.
Except for Section  2.5 all of the representations and warranties
of Enerdyne, the Shareholders and Boatracs set forth in this
Agreement shall terminate and expire, and shall cease to be of
any force or effect, at 10:00 a.m. (California time) on the third
anniversary of the Closing Date, and all liability of Enerdyne,
the Shareholders and Boatracs with respect to such
representations and warranties shall thereupon be extinguished;
provided, however, that if, prior to such third anniversary,
Boatracs on the one hand or the Shareholders on the other hand
shall have duly delivered a Claim Notice to the other parties in
conformity with all of the applicable procedures set forth in
this Section  7, then the specific indemnification claim set
forth in such Claim Notice shall survive such third anniversary
(and shall not be extinguished thereby).

           7.4 Threshold Amount.  Without limiting the effect of any of the
other limitations set forth herein, the Shareholders shall not be
required to make any indemnification payment hereunder with
respect to any breach of any of their representations, warranties
or covenants except to the extent that the cumulative amount of
the Damages actually incurred by Boatracs as a direct result of
all such breaches of such representations, warranties or
covenants actually exceeds the Threshold Amount; provided,
however, that once the Threshold Amount is exceeded, Boatracs
shall be entitled to recover the full amount of all Damages from
the Shareholders subject to the limitations set forth in Section
7.5 below.  The "Threshold Amount" shall be $50,000.

           7.5 Maximum Liability of the Shareholders.  Except for breaches
arising as a result of a misrepresentation or for intentional
misrepresentation, the total amount of the payments that the
Shareholders can be required to make under or in connection with
this Agreement (including all indemnification payments required
to be made to Boatracs and all amounts payable to any counsel
retained by Boatracs in accordance with Section  7.10) shall be
limited in the aggregate to a maximum of the lesser of (i)
$2,000,000 or (ii) the aggregate unpaid and outstanding balance
under the Subordinated Notes, and the Shareholder's cumulative
liability shall in no event exceed such amount.  Boatracs' sole
recourse for any indemnification payments required to be made by
the Shareholders hereunder shall be a right of set-off under the
Seller's Notes as described in Section  7.6 below.  Boatracs
shall have no recourse against the Shareholders or against any of
the assets of the Shareholders in connection with any
indemnification claim or any other claim of any nature.
Notwithstanding the foregoing,  in the event of any breach of the
representations and warranties contained in  Section 2.5 or
Section 2.23, the total amount of the payments that the
Shareholders can be required to make (including all
indemnification payments required to be made to Boatracs and all
amounts payable to any counsel retained by Boatracs in accordance
with Section 7.10) shall be:  limited in the aggregate (a) with
respect to any breach of the representations and warranties
contained in  Section 2.5  to a maximum of the value of the
aggregate cash and stock consideration actually paid under
Section 1.8 (provided that the value of  securities of Boatracs
shall be determined as of the Closing Date)  and (b) with respect
to any breach of the representations and warranties contained in
Section 2.23, limited in the aggregate to maximum of $5,000,000.

           7.6 Sole Recourse of Boatracs.  Except as provided in Section
7.5, Boatracs' sole recourse under this Section  7 shall be a
right of set-off against the Subordinated Notes.  Each
Subordinated Note contains a payment schedule (each referred to
as a "Payment Schedule").  Any set-off for Damages allowed under
this Section  7 shall be divided equally between the two
Subordinated Notes and shall be made as described in this Section
7.6.  If Boatracs  determines that it has a right of set-off
hereunder, Boatracs may prepare a Test Balance Sheet to determine
the timing of such set-off.   The Test Balance Sheet shall be
prepared  in accordance with GAAP, but as if  (i) the next
installment payment upon the Subordinated Notes, (ii) the next
installment payment upon the Senior Notes and (iii) any payments
due upon liabilities triggering the right of set-off hereunder
had been made.  If the cash and cash equivalents shown on the
Test Balance Sheet are less than $240,000, then Boatracs shall
provide notice of an Inverse Set-Off to the Shareholders.   After
notice of an Inverse Set-Off, until Boatracs receives a Waiver
(as defined below), set-offs shall be made first against the
principal and interest to be paid under the next payment due to
be made pursuant to the Payment Schedule of each Subordinated
Note, then against the principal and interest to be paid under
the subsequent payment to be made pursuant to the Payment
Schedule of each Subordinated Note and so forth until the maximum
liability of the Shareholders as set forth in Section  7.5 is
reached (each, an "Inverse Set-Off").   In the event of a receipt
of a notice of an Inverse Set-Off, the Shareholders may determine
jointly that they wish to waive the requirement that Boatracs
maintain a minimum of $240,000 in cash so that Boatracs will not
be in default under  the Senior Notes.   If the Shareholders make
such determination, then the Shareholders shall provide a written
waiver of such requirement in a form reasonably satisfactory to
Boatracs (the "Waiver").  At all times (a) before Boatracs
provides notice of an Inverse Set-Off or  (b) after receipt of a
Waiver, set-offs shall be made first against the principal and
interest to be paid under the final payment  to be made pursuant
to the Payment Schedule of each Subordinated Note, then against
the principal and interest to be paid under the second to last
payment to be made pursuant to the Payment Schedule of each
Subordinated Note and so forth until the maximum liability of the
Shareholders as set forth in Section  7.5 is reached

           7.7 No Contribution.  The Shareholders acknowledge and agree
that they shall not have and shall not exercise or assert (or
attempt to exercise or assert), any right of contribution, right
of indemnity or other right or remedy against Enerdyne in
connection with (a) any indemnification obligation or any other
liability to which the Shareholders or Enerdyne may become
subject under or in connection with this Agreement or (b) any
certificate delivered by Enerdyne in connection with this
Agreement.

           7.8 No Implied Representations.  Boatracs and the Shareholders
acknowledge that, except as expressly provided in Sections  2,  3
and  4, neither party hereto, and none of the representatives of
either party hereto, has made or is making any representations or
warranties whatsoever, implied or otherwise.

           7.9 Indemnification Claims.

      (a)  If either party hereto (the "Claimant") wishes to assert an
indemnification claim against the other party hereto (the
"Respondent"), the Claimant shall deliver to the Respondent a
written notice (a "Claim Notice") setting forth:

  (i)  the specific representation, warranty or covenant alleged to
have been breached by the Respondent;

(ii) a detailed description of the facts and circumstances giving
rise to the alleged breach of such representation, warranty or
covenant; and

(iii)     a detailed description of, and a reasonable estimate
(to the extent practicable) of the total amount of, the Damages
actually incurred or expected to be incurred by the Claimant as a
direct result of such alleged breach.

 (b)  Response Notice; Uncontested Claims.  Within fifteen (15)
business days of the date of a Claim Notice (the "Response
Date"), the Respondent shall provide the Claimant a written
response (the "Response Notice") in which the Respondent shall
(i) agree that the full Claimed Amount is valid, (ii) agree that
part, but not all, of the Claimed Amount (the "Agreed Amount") is
valid, or (iii) contest that any of the Claimed Amount is valid.
The Respondent may contest all or a portion of a Claimed Amount
only based upon a good faith belief that all or such portion of
the Claimed Amount does not constitute Damages for which the
Claimant is entitled to indemnification under this Section  7.

(c)  Uncontested Claims.  If the Respondent in the Response
Notice agrees that the Claimed Amount is valid, the Claimant
shall be entitled to (i) prompt payment of the Claimed Amount if
the Claimant is a Shareholder, or (ii) its remedy in accordance
with Section  7.6 if the Claimant is Boatracs.
(d)  Contested Claims.  If the Respondent in the Response Notice
contests the Claimed Amount (the "Contested Amount"), the Agreed
Amount shall be paid or set-off as provided in subpart (c) above,
but the Claimant shall not be entitled to any further remedy
until (i) a settlement agreement has been executed by the
Shareholders and Boatracs setting forth the amount of further
Damages to be paid by Boatracs or set-off in accordance with
Section  7.6, if any, or (ii) a court order or arbitration
determination has been entered setting forth the amount of
further Damages to be paid by Boatracs or set-off in accordance
with Section  7.6.

           7.10     Defense of Third Party Actions.  If either party hereto
(the "Indemnitee") receives notice or otherwise obtains knowledge
of any Legal Proceeding or any threatened Legal Proceeding that
may give rise to an indemnification claim against the other party
hereto (the "Indemnifying Party"), then the Indemnitee shall
promptly deliver to the Indemnifying Party a written notice
describing such Legal Proceeding in reasonable detail; provided,
however, that for the sole purpose of determining whether a Legal
Proceeding or threatened Legal Proceeding may give rise to an
indemnification claim against the Shareholders within the meaning
of this sentence, the limitation set forth in Section  7.4 shall
not be taken into account.  The timely delivery of such written
notice by the Indemnitee to the Indemnifying Party shall not be a
condition precedent to any liability on the part of the
Indemnifying Party under this Section  7 with respect to such
Legal Proceeding, except to the extent the Indemnifying Party is
actually prejudiced.  With the consent of the Indemnified Party,
which will not be unreasonably withheld, the Indemnifying Party
shall have the right, at its option, to assume the defense of any
such Legal Proceeding with its own counsel.  If the Indemnifying
Party assumes the defense of any such Legal Proceeding, then:

 (a)  notwithstanding anything to the contrary contained in this
Agreement, the Indemnifying Party shall not be required to pay or
otherwise indemnify the Indemnitee against any attorneys' fees or
other expenses incurred on behalf of the Indemnitee in connection
with such Legal Proceeding following the Indemnifying Party's
election to assume the defense of such Legal Proceeding;

(b)  the Indemnitee shall make available to the Indemnifying
Party all books, records and other documents and materials that
are under the direct or indirect control of the Indemnitee or any
of the Indemnitee's representatives and that the Indemnifying
Party considers necessary or desirable for the defense of such
Legal Proceeding;

(c)  the Indemnitee shall execute such documents and take such
other actions as the Indemnifying Party may reasonably request
for the purpose of facilitating the defense of, or any
settlement, compromise or adjustment relating to, such Legal
Proceeding;

(d)  the Indemnitee shall otherwise cooperate as reasonably
requested by the Indemnifying Party in the defense of such Legal
Proceeding;

(e)  the Indemnitee shall not admit any liability with respect to
such Legal Proceeding; and

(f)  the Indemnifying Party shall not settle, adjust or
compromise such Legal Proceeding without the prior written
consent of the Indemnitee, such consent not to be unreasonably
withheld.

If the Indemnifying Party does not assume the defense of such
Legal Proceeding, then the Indemnitee shall proceed diligently to
defend such Legal Proceeding with the assistance of counsel
satisfactory to the Indemnifying Party; provided, however, that
the Indemnitee shall not settle, adjust or compromise such Legal
Proceeding, or admit any liability with respect to such Legal
Proceeding, without the prior written consent of the Indemnifying
Party, such consent not to be unreasonably withheld.

           7.11     Subrogation.  To the extent that either party hereto
(the "Indemnitor") makes or is required to make any
indemnification payment to the other party hereto (the
"Indemnified Party"), the Indemnitor shall be entitled to
exercise, and shall be subrogated to, any rights and remedies
(including rights of indemnity, rights of contribution and other
rights of recovery) that the Indemnified Party or any of the
Indemnified Party's representatives may have against any other
Person with respect to any Damages, circumstances or Legal
Proceeding to which such indemnification payment is directly or
indirectly related.  The Indemnified Party shall permit the
Indemnitor to use the name of the Indemnified Party and the names
of the Indemnified Party's representatives in any transaction or
in any proceeding or other Legal Proceeding involving any of such
rights or remedies; and the Indemnified Party shall take such
actions as the Indemnitor may reasonably request for the purpose
of enabling the Indemnitor to perfect or exercise the
Indemnitor's right of subrogation hereunder.

           7.12     Exclusivity.  Except as set forth in Section  7.6, the
right of each party hereto to assert indemnification claims and
receive indemnification payments pursuant to this Section  7
shall be the sole and exclusive right and remedy exercisable by
such party with respect to any breach by the other party hereto
of any representation, warranty or covenant.

      8. SECTION 8  Termination of Agreements.

           8.1 Stock Ownership Agreement.  Effective upon the Closing, the
Stock Ownership Agreement dated July 1, 1995 by and among
Enerdyne and the Shareholders shall be deemed terminated and of
no further force and effect.

           8.2 Termination of Employment Agreements.

               (a)  Effective upon the Closing, (i) the Employment Agreement
dated July 1, 1995 between Enerdyne and Boden is terminated and
of no further force and effect; and (ii) the Employment Agreement
dated July 1, 1995 between Enerdyne and Shinsato is terminated
and no further force and effect.  Each Shareholder agrees that
he/she has been paid all sums due such Shareholder under the
foregoing employment agreements as of the Closing and that such
Shareholder intends to continue under the employ of Enerdyne on
an at-will basis until the commencement of the term of the
Employment Agreements substantially  in the form of Exhibit J
attached hereto.  As such, neither Shareholder shall be entitled
to any bonus, severance or other notification or payment as a
result of termination of his or her Employment Agreement, other
than payments made or provided for by Enerdyne prior to the
Closing Date.

(b)  Each Shareholder fully and forever releases and discharges
Enerdyne, Boatracs and Merger Sub, their agents, employees,
officers, directors, attorneys and assigns from any and all
claims, demands, damages, liabilities and obligations, whether
known or unknown, in any way relating to the employment
agreements that were terminated in accordance with Section
8.2((a)) above.
(c)  Each Shareholder expressly waives all rights under
Section 1542 of the California Civil Code with regard to the
release set forth in Section  8.2((b)) above, which provides:
          A general release does not extend to claims
          which the creditor does not know or suspect
          to exist in his favor at the time of
          executing the release, which if know by him,
          must have materially affected his settlement
          with the debtor.
          
      9. SECTION 9  Covenants Following Closing.

           9.1 Enerdyne of Europe.  The Shareholders shall use their best
efforts to obtain an Option Agreement from Enerdyne of Europe,
which provides Enerdyne with an option to acquire all rights to
the name "Enerdyne."

           9.2 S-8 Registration Statement.  Reasonably promptly following
the Effective Date, Boatracs will file a registration statement
on Form S-8 to register under the Securities Act the shares
issuable upon exercise of options granted to the Shareholders
pursuant to their Employment Agreements.

           9.3 Board Visitation Rights.  For as long as the Senior Note
issued to her remains outstanding, Irene Shinsato shall be
entitled to attend all meetings of the Board of Directors of
Boatracs in a nonvoting capacity, and in connection therewith to
receive all notices, minutes, consents and other materials,
financial or otherwise (including annual budgets and operating
plans) which the Company provides to its Board of Directors;
provided, however, that the Board of Directors may meet in
executive session excluding all non-director employees to discuss
sensitive issues, such as personnel decisions.

           9.4 Key Man Life Insurance.  Scott Boden shall make himself
reasonably available and shall cooperate with Boatracs to permit
Boatracs to obtain key-man insurance on his life for the benefit
of Boatracs.

      10. SECTION 10  Miscellaneous.

           10.1     Governing Laws.  It is the intention of the parties
hereto that the internal laws of the State of California
(irrespective of its choice of law principles) shall govern the
validity of this Agreement, the construction of its terms, and
the interpretation and enforcement of the rights and duties of
the parties hereto.

           10.2     Binding upon Successors and Assigns.  Subject to, and
unless otherwise provided in, this Agreement, each and all of the
covenants, terms, provisions, and agreements contained herein
shall be binding upon, and inure to the benefit of, the permitted
successors, executors, heirs, representatives, administrators and
assigns of the parties hereto.  Neither Enerdyne nor any
Shareholder shall assign this Agreement to any person or entity
(including by operation of law) without the prior written consent
of the other parties, which consent shall not be unreasonably
withheld.

           10.3     Severability.  If any provision of this Agreement, or
the application thereof, shall for any reason and to any extent
be invalid or unenforceable, the remainder of this Agreement and
application of such provision to other persons or circumstances
shall be interpreted so as best to effect reasonably the intent
of the parties hereto.  The parties further agree to replace such
void or unenforceable provision of this Agreement with a valid
and enforceable provision which will achieve, to the extent
possible, the economic, business and other purposes of the void
or unenforceable provision.

           10.4     Entire Agreement.  This Agreement, the exhibits hereto,
the documents referenced herein, and the exhibits thereto,
constitute the entire understanding and agreement of the parties
hereto with respect to the subject matter hereof and thereof and
supersede all prior and contemporaneous agreements or
understandings, inducements or conditions, express or implied,
written or oral, between the parties with respect hereto and
thereto including, but not limited to, the Letter Agreement.

           10.5     Counterparts.  This Agreement may be executed in any
number of counterparts, each of which shall be an original as
against any party whose signature appears thereon and all of
which together shall constitute one and the same instrument.
This Agreement shall become binding when one or more counterparts
hereof, individually or taken together, shall bear the signatures
of all of the parties reflected hereon as signatories.

           10.6     Expenses.  Except as provided to the contrary herein,
each party shall pay all of its own costs and expenses incurred
with respect to the negotiation, execution and delivery of this
Agreement and the exhibits hereto.  The obligation to pay a
finder's fee to  Carl Fredericks and Gary Shields shall be
assumed by Boatracs but shall be taken into account as an offset
in calculating the merger consideration.  No other legal,
accounting, investment banking, broker's and finder's fees
incurred by Enerdyne or the Shareholders in connection with the
transactions contemplated by this Agreement shall be borne or
assumed by Boatracs.

           10.7     Amendment and Waivers.  Any term or provision of this
Agreement may be amended, and the observance of any term of this
Agreement may be waived (either generally or in a particular
instance and either retroactively or prospectively) only by a
writing signed by the party to be bound thereby.  The waiver by a
party default in the performance hereof shall not be deemed to
constitute a waiver of any other default or any succeeding breach
or default.

           10.8     Survival of Agreements.  All covenants, agreements,
representations and warranties made herein shall survive the
execution and delivery of this Agreement and the consummation of
the transactions contemplated hereby notwithstanding any
investigation of the parties hereto.

           10.9     No Waiver.  The failure of any party to enforce any of
the provisions hereof shall not be construed to be a waiver of
the right of such party thereafter to enforce such provisions.

           10.10    Attorneys' Fees.  Should suit be brought to enforce or
interpret any part of this Agreement, the prevailing party shall
be entitled to recover, as an element of the costs of suit and
not as damages, reasonable attorneys' fees to be fixed by the
court (including, without limitation, costs, expenses and fees on
any appeal).  The prevailing party shall be the party entitled to
recover its costs of suit, regardless of whether such suit
proceeds to final judgment.  A party not entitled to recover its
costs shall not be entitled to recover attorneys' fees.  No sum
for attorneys' fees shall be counted in calculating the amount of
a judgment for purposes of determining if a party is entitled to
recover costs or attorneys' fees.

           10.11    Notices.  Any notice provided for or permitted under
this Agreement will be treated as having been given when
(a) delivered personally, (b) sent by confirmed telecopy,
(c) sent by commercial overnight courier with written
verification of receipt, or (d) mailed postage prepaid by
certified or registered mail, return receipt requested, to the
party to be notified, at the address set forth below, or at such
other place of which the other party has been notified in
accordance with the provisions of this Section  10.11.


     Enerdyne:     Enerdyne Technologies, Inc.
                   Attn:  Irene Shinsato
                   8402 Magnolia Avenue, Suite C
                   Santee, California 92071
                   Facsimile:  619-562-8802

     Scott T. Boden:  1694 El Camino del Teatro
                      La Jolla, California 92037

     Irene Shinsato:     6741 Avenida Manana
                         La Jolla, California  92037

                   With copy to:  Cooley Godward, LLP
                   Attention:  Lance Bridges, Esq.
                   4365 Executive Drive, Suite 1100
                   San Diego, California 92121
                   Facsimile:  (619) 453-3555

     Boatracs or
     Merger Sub:   Boatracs, Inc.
                   6440 Lusk Boulevard, Suite D201
                   San Diego, California 92121
                   Facsimile:  (619) 587-0240

     With copy to: Gray Cary Ware & Freidenrich, LLP
                   Attention:  Douglas J. Rein, Esq.
                   4365 Executive Drive, Suite 1600
                   San Diego, California  92121
                   Facsimile:  (619) 677-1477

Such notice will be treated as having been received upon actual
receipt.

           10.12    Construction of Agreement.  This Agreement has been
negotiated by the respective parties hereto and their attorneys
and the language hereof shall not be construed for or against any
party.  The titles and headings herein are for reference purposes
only and shall not in any manner limit the construction of this
Agreement which shall be considered as a whole.

           10.13    No Joint Venture.  Nothing contained in this Agreement
shall be deemed or construed as creating a joint venture or
partnership between any of the parties hereto.  No party is by
virtue of this Agreement authorized as an agent, employee or
legal representative of any other party.  No party shall have the
power to control the activities and operations of any other and
their status is, and at all times, will continue to be, that of
independent contractors with respect to each other.  No party
shall have any power or authority to bind or commit any other.
No party shall hold itself out as having any authority or
relationship in contravention of this Section  10.13.

           10.14    Pronouns.  All pronouns and any variations thereof
shall be deemed to refer to the masculine, feminine or neuter,
singular or plural, as the identity of the person, persons,
entity or entities may require.

           10.15    Further Assurances.  Each party agrees to cooperate
fully with the other parties and to execute such further
instruments, documents and agreements and to give such further
written assurances, as may be reasonably requested by any other
party to evidence and reflect better the transactions described
herein and contemplated hereby and to carry into effect the
intents and purposes of this Agreement.

           10.16    Absence of Third Party Beneficiary Rights.  No
provisions of this Agreement including Section 10.6 are intended,
nor shall be interpreted, to provide or create any third party
beneficiary rights or any other rights of any kind in any client,
customer, affiliate, shareholder, partner of any party hereto or
any other person or entity, and, except as specifically provided
otherwise herein, all provisions hereof shall be personal solely
between the parties to this Agreement.

     IN WITNESS WHEREOF, the parties hereto have executed this
Agreement as of the date first set forth above.

                                   
Boatracs, Inc.                     Enerdyne Technologies, Inc.
a California corporation           a California corporation

By:       /S/ MICHAEL SILVERMAN    By:  /S/ IRENE SHINSATO
Name:  MICHAEL SILVERMAN           Name:  IRENE SHINSATO
Its:      CHAIRMAN                 Its:        PRESIDENT
By:       /S/ CURT MCLELAND        
        Curt McLeland              
         Secretary                 
                                   
                                   
Boatracs Acquisition, Inc.         Shareholders:
a California corporation           
                                   
By:       /S/ JON S. GILBERT       /S/ IRENE SHINSATO
                                   Irene Shinsato
Name:  JON S. GILBERT              
Its:        PRESIDENT              /S/ SCOTT T. BODEN
                                   Scott T. Boden
                                   
By:  /S/ CURT MCLELAND
        Curt McLeland              
         Secretary                 
                                


EXHIBIT 10.1 (a)

                      EMPLOYMENT AGREEMENT

This Employment Agreement (the "Agreement) executed as of July 7,
1998 (the "Execution Date") shall be effective as of July 8, 1998
(the  "Effective  Date") between ENERDYNE TECHNOLOGIES,  INC.,  a
California  corporation (the "Company"), having  an  address  for
notices  at  8402  Magnolia Avenue, Suite C,  Santee,  California
92071  and  SCOTT T. BODEN ("Employee"), having  an  address  for
notices at 1964 El Camino del Teatro, La Jolla, California 93027,
who  agree  in  connection with the acquisition  of  Enerdyne  by
Boatracs, Inc. ("Boatracs") as follows:

     1.      Hiring.  The Company hereby hires Employee  as,  and
Employee hereby agrees to act as Chief Technology Officer on  and
after the Effective Date.

      2.   Duties.   Employee  shall  faithfully  and  diligently
perform  the following duties on a full-time basis:  (a) devoting
Employee's entire productive time, ability and attention  to  the
business of the Company; and (b) performing such other duties  as
the  board of directors of the Company (the "Board"), shall  from
time to time specify that are consistent with the duties normally
performed  by  an employee in Employee's position.   If  Employee
agrees,   Employee  may  travel  outside  of  San  Diego  County,
California, but such travel shall not be a condition to continued
employment hereunder.

     3.  Base Compensation.
     
          3.1.      Employee's    base    compensation     ("Base
Compensation") under this Agreement shall be $120,000  per  year.
The  Base  Compensation shall be payable bi-weekly, in accordance
with  and  at  the  same times as the Company's ordinary  payroll
procedures.
          
          3.2.      Employee shall receive an option to purchase
500,000 shares of the common stock of Boatracs in accordance with
the form of option agreement attached hereto as Exhibit A.
     
     
     4.    Benefits.  Employee shall be entitled to the following
benefits from the Effective Date to the expiration of the term of
this Agreement:

          4.1.   Twenty (20) business days paid vacation for each
one-year  period during the term of this Agreement (prorated  for
any  partial year), to be taken at such times that are consistent
with  Employee's  performance  of Employee's  duties  under  this
Agreement.

          4.2.   Reimbursement for reasonable expenses, including
reasonable  and  customary automobile expenses, incurred  in  the
proper performance of Employee's duties under this Agreement  and
in accordance with the Company's policy.

          4.3.   Inclusion in the Company's medical plan for  the
Company's other employees.

          4.4.  All customary and usual fringe benefits generally
available  to  officers of Enerdyne or Boatracs  with  comparable
levels   of   responsibility.   Notwithstanding   the   preceding
sentence, Enerdyne reserves the right to change or terminate  the
fringe  benefits  on a prospective basis, at any time,  effective
upon  delivery  of  5  days  written notice  to  Employee.   Upon
Employee's termination of employment under this Agreement for any
reason,  Employee  shall  be  entitled  only  to  receive  fringe
benefits prorated to the date of termination..

     5.   Termination.   This Agreement shall  terminate  on  the
earlier  of (a) the second anniversary of the Effective Date,  or
(b)  the termination of Employee's service as an employee of  the
Company.   In  addition, at any time that Good Cause (as  defined
below)  exists  or has arisen, the Company may, at its  election,
terminate this Agreement upon 3 days written notice. For purposes
of  this  Agreement,  "Good Cause" shall mean  the  existence  or
occurrence of any of the following:

          5.1.  Any neglect or breach of duty by Employee, or any
failure by Employee to perform, to the reasonable satisfaction of
the  board  of directors of the Company, such duties  as  may  be
delegated to Employee by the Company from time to time.

          5.2.  If Employee is convicted of a felony.
          
          5.3.  If Employee commits theft, larceny, embezzlement,
fraud,  any  acts of dishonesty, illegality, moral  turpitude  or
gross mismanagement, as determined in good faith by the board  of
directors of the Company, whose determination shall be final  and
binding.

          5.4.   If  Employee otherwise materially and repeatedly
breaches any provision of this Agreement.

          5.5.   If Employee becomes materially disabled to  such
an  extent that Employee is precluded from performing the  duties
set  forth  in this Agreement for a period of six (6)  months  or
more.

     6.    Representations  and  Warranties.    Employee   hereby
represents and warrants that as of the Execution Date:  (a)  this
Agreement  will  not  cause or require  Employee  to  breach  any
obligation to, or agreement or confidence with, any other person;
(b)  except  as disclosed in writing by Employee to  the  Company
prior  to  the  execution  of  this Agreement,  Employee  is  not
representing, or otherwise affiliated in any capacity  with,  any
other  lines  of  products, manufacturers  or  vendors;  and  (c)
Employee has not been induced to enter into this Agreement by any
promise  or representation other than as expressly set  forth  in
this Agreement.

     7.   Confidentiality.  Employee hereby acknowledges that the
Company  has  made  (or may make) available to  Employee  certain
customer lists, product design information, performance standards
and  other  confidential and/or proprietary  information  of  the
Company  or licensed to the Company, including without limitation
trade secrets, copyrighted materials and/or financial information
of  the  Company  (or  any of its affiliates)  including  without
limitation  financial statements, reports and data (collectively,
the  "Confidential Material").  Except as essential to Employee's
obligations under this Agreement, neither Employee nor any agent,
employee,  officer, or independent contractor of or  retained  by
Employee  shall make any disclosure of the Confidential Material.
Unless  the terms of this Agreement have been publicly  disclosed
by  the   Company or Boatracs, neither Employee nor any agent  of
Employee shall make any disclosure of this Agreement or its terms
except  a description of the term of this Agreement or disclosure
to obtain tax or legal advice.  Except as essential to Employee's
obligations under this Agreement, neither Employee nor any agent,
employee,  officer, or independent contractor of or  retained  by
Employee shall make any duplication or other copy of any  of  the
Confidential  Material.   Immediately  upon  request   from   the
Company,  Employee shall return to the Company  all  Confidential
Material.   Employee  shall  notify  each  person  to  whom   any
disclosure  is  made that such disclosure is made in  confidence,
that  the  Confidential Material shall be kept in  confidence  by
such  person,  and  that  such  person  shall  be  bound  by  the
provisions of this Paragraph.

     8.    Proprietary   Information.   For  purposes   of   this
Agreement,  "Proprietary Information" shall mean any information,
observation,  data, written material, record, document,  computer
program,  software, firmware, invention, discovery,  improvement,
development,   tool,   machine,  apparatus,  appliance,   design,
promotional  idea,  customer  list, practice,  process,  formula,
method,  technique, trade secret, product and/or research related
to  the actual or anticipated (as demonstrated by contemporaneous
written  evidence) research, development, products, organization,
business  or  finances of the Company (or any of its affiliates).
As  used  in this Section 8, "Proprietary Information"  does  not
include (a) any invention or intellectual property that qualifies
fully under the provisions of California Labor Code Section  2870
or  any  similar  or successor statute or (b)  any  invention  or
intellectual property relating to the technologies set  forth  on
Exhibit  B  (subject to the conditions set forth  therein).   All
right, title and interest of every kind and nature whatsoever  in
and  to  the  Proprietary Information made, discussed, developed,
secured, obtained or learned by Employee during the term of  this
Agreement, or the 60-day period immediately following termination
of  this  Agreement, shall be the sole and exclusive property  of
the  Company  for any purposes or uses whatsoever, and  shall  be
disclosed promptly by Employee to the Company.  The covenants set
forth in the preceding sentence shall apply regardless of whether
any  Proprietary  Information  is  made,  discovered,  developed,
secured,  obtained or learned (a) solely or jointly with  others,
(b)  during  the  usual hours of work or otherwise,  (c)  at  the
request  and upon the suggestion of the Company or otherwise,  or
(d)  with the Company's materials, tools, instruments or  on  the
Company's  premises  or  otherwise.  All Proprietary  Information
developed, created, invented, devised, conceived or discovered by
Employee  that are subject to copyright protection are explicitly
considered by Employee and the Company to be works made for  hire
to  the extent permitted by law.  Employee hereby assigns to  the
Company all of Employee's right, title and interest in and to the
Proprietary Information.  Employee hereby forever fully  releases
and  discharges  the Company, any affiliates of the  Company  and
their  respective  officers, directors and  employees,  from  and
against any and all claims, demands, damages, liabilities,  costs
and  expenses  of  Employee arising out of, or relating  to,  any
Proprietary  Information.  Employee shall execute  any  documents
and take any action the Company may deem necessary or appropriate
to effectuate the provisions of this Agreement, including without
limitation  assisting the Company in obtaining and/or maintaining
patents,   copyrights  or  similar  rights  to  any   Proprietary
Information assigned to the Company, if the Company, in its  sole
discretion, requests such assistance.  Employee shall comply with
any reasonable rules established from time to time by the Company
for  the  protection  of the confidentiality of  any  Proprietary
Information.   Employee irrevocably appoints the Chief  Financial
Officer   of  the  Company  to  act  as  Employee's   agent   and
attorney-in-fact to perform all acts necessary to  obtain  and/or
maintain   patents,  copyrights  and  similar   rights   to   any
Proprietary Information assigned by Employee to the Company under
this Agreement if (a)  Employee refuses to perform those acts, or
(b)  is  unavailable, within the meaning of any applicable  laws.
Employee  acknowledges that the grant of the foregoing  power  of
attorney is coupled with an interest and shall survive the  death
or  disability of Employee.  Employee shall promptly disclose  to
the  Company, in confidence (a) all Proprietary Information  that
Employee creates during the term of this Agreement, and  (b)  all
patent  applications  filed by Employee  within  one  year  after
termination  of this Agreement.  Any application  for  a  patent,
copyright registration or similar right filed by Employee  within
one  year  after termination of this Agreement shall be  presumed
not  to  relate  to Proprietary Information created  by  Employee
during  the  term  of this Agreement, unless  Company  can  prove
otherwise.   Nothing  contained  in  this  Agreement   shall   be
construed  to  preclude the Company from exercising  all  of  its
rights  and privileges as sole and exclusive owner of all of  the
Proprietary Information owned by or assigned to the Company under
this  Agreement.   The  Company, in exercising  such  rights  and
privileges  with  respect to any particular item  of  Proprietary
Information, may decide not to file any patent application or any
copyright  registration  on  such  Proprietary  Information,  may
decide  to  maintain such Proprietary Information as  secret  and
confidential,   or   may  decide  to  abandon  such   Proprietary
Information or dedicate it to the public.  Employee shall have no
authority  to exercise any rights or privileges with  respect  to
the  Proprietary Information owned by or assigned to the  Company
under this Agreement.
     
     9.   Right  of  First Negotiations.  For  purposes  of  this
Agreement,  "Qualified Information" shall mean  any  information,
observation,  data, written material, record, document,  computer
program,  software, firmware, invention, discovery,  improvement,
development,   tool,   machine,  apparatus,  appliance,   design,
promotional  idea,  customer  list, practice,  process,  formula,
method, technique, trade secret, product and/or research that (a)
(i) qualifies fully under the provisions of California Labor Code
Section  2870  or (ii) relates to the technologies set  forth  on
Exhibit  B  hereto (subject to the conditions set forth  therein)
and  (b)  is made, discussed or developed by Employee during  the
term of this Agreement or the 60-day period immediately following
termination of this Agreement.  The Company shall have a right of
first  negotiation to commercially manufacture, sell  or  exploit
any   Qualified   Information.  Employee   agrees   that   before
undertaking to commercially manufacture, sell, license or  assign
any such Qualified Information that Employee shall notify Company
in  writing  of  Employee's  intention regarding  such  Qualified
Information, describing the Qualified Information in question and
the  proposed  terms  and  conditions of the  manufacture,  sale,
license  or  assignment (the "Notice").  Employee  shall  provide
such  information  or  documents to  the  Company  which  are  in
Employee's  possession and which the Company reasonably  requests
in order to assess Qualified Information.  The Company shall have
a  period  of  30  days following the receipt of  the  Notice  to
determine whether it has an interest in acquiring rights in or to
the  Qualified  Information.   In  the  event  that  the  Company
determines  that  it  has  no such interest,  the  Company  shall
provide  a  written statement to Employee to that  effect  on  or
before  the  30th day after receipt of the Notice, and thereafter
the  provisions of this Section 9 shall no longer  apply  to  the
Qualified  Information  described to the Company  (including  any
improvements and any subsequent invention derived therefrom).  In
the  event  that  the Company determines that  it  does  have  an
interest  acquiring the rights to the Qualified  Information,  it
shall  provide a written statement to Employee to that effect  on
or  before  the  30th day after receipt of the  Notice,  and  the
Company will then have a 90 day period to negotiate with Employee
the  terms  of  a  definitive agreement regarding such  Qualified
Information.  During such 90 day negotiation period, Employee and
the  Company  agree to negotiate with each other in  good  faith.
In  the  event  that the parties cannot enter into  a  definitive
agreement,  then  following  the  expiration  of  such   90   day
negotiation  period  the provisions of this Section  9  shall  no
longer  apply to the Qualified Information Employee described  to
the  Company  (including  any  improvements  and  any  subsequent
invention described therefrom).
     
     10.   Business Opportunities.  Nothing in this Agreement  is
intended  to affect any common law obligations or any  duties  of
Employee  as  a  director or officer of the Company  to  offer  a
project,  investment, venture, business or other opportunity  (an
"Opportunity")  to  the Company or to use good-faith  efforts  to
cause  the  Company  to  have the opportunity  to  invest  in  or
participate in such Opportunity.

     11.  Successors and Assigns.  The rights and obligations of
Enerdyne under this Agreement shall inure to the benefit of and
shall be binding upon the successors and assigns of Enerdyne.
Employee shall not be entitled to assign any of Employee' rights
or obligations under this Agreement.

     12.    Survival.    The  representations,   warranties   and
covenants  of  Employee in this Agreement  (including  those  set
forth in Sections 6, 7, 8 and 9) shall survive any termination of
this Agreement.

     13.  Governing Law.  This Agreement shall be governed by and
construed in accordance with the laws of the State of California.

     14.  Further Assurances.  Each party to this Agreement shall
execute all instruments and documents and take all actions as may
be reasonably required to effectuate this Agreement.

     15.   Venue  and Jurisdiction.  For purposes  of  venue  and
jurisdiction,  this  Agreement shall be deemed  made  and  to  be
performed in the City of San Diego, California.

     16.   Counterparts.   This  Agreement  may  be  executed  in
counterparts, each of which shall be deemed an original  and  all
of which together shall constitute one document.

     17.    Time  of  Essence.   Time  and  strict  and  punctual
performance are of the essence with respect to each provision  of
this Agreement.

     18.    Attorney's  Fees.   In  the  event  any   litigation,
arbitration,  mediation,  or other proceeding  ("Proceeding")  is
initiated  by  any  party(ies) against any  other  party(ies)  to
enforce, interpret or otherwise obtain judicial or quasi-judicial
relief   in   connection  with  this  Agreement,  the  prevailing
party(ies)  in such Proceeding shall be entitled to recover  from
the  unsuccessful  party(ies)  all costs,  expenses,  and  actual
attorney's  fees  relating to or arising out of  such  Proceeding
(whether  or not such Proceeding proceeds to judgment),  and  any
post-judgment   or   post-award  proceeding   including   without
limitation  one  to enforce any judgment or award resulting  from
any such Proceeding.  Any such judgment or award shall contain  a
specific  provision  for the recovery of  all  such  subsequently
incurred costs, expenses, and actual attorney's fees.

     19.  Modification.  This Agreement may be modified only by a
contract  in writing executed by the party(ies) to this Agreement
against whom enforcement of such modification is sought.

     20.   Headings.   The  headings of the  Paragraphs  of  this
Agreement have been included only for convenience, and shall  not
be  deemed in any manner to modify or limit any of the provisions
of this Agreement, or be used in any manner in the interpretation
of this Agreement.

     21.   Prior  Understandings.  This  Agreement  contains  the
entire  agreement  between the parties  to  this  Agreement  with
respect to the subject matter of this Agreement, is intended as a
final expression of such parties' agreement with respect to  such
terms  as  are  included  in this Agreement,  is  intended  as  a
complete  and exclusive statement of the terms of such agreement,
and  supersedes  all negotiations, stipulations,  understandings,
agreements, representations and warranties, if any, with  respect
to  such subject matter, which precede or accompany the execution
of this Agreement.

     22.   Interpretation.  Whenever the context so  requires  in
this Agreement, all words used in the singular shall be construed
to  have  been used in the plural (and vice versa),  each  gender
shall  be  construed to include any other genders, and  the  word
"person"  shall  be  construed to include  a  natural  person,  a
corporation, a firm, a partnership, a joint venture, a trust,  an
estate or any other entity.

     23.   Partial Invalidity.  Each provision of this  Agreement
shall be valid and enforceable to the fullest extent permitted by
law.   If  any provision of this Agreement or the application  of
such  provision  to  any  person or circumstance  shall,  to  any
extent,  be  invalid  or  unenforceable, the  remainder  of  this
Agreement,  or  the application of such provision to  persons  or
circumstances other than those as to which it is held invalid  or
unenforceable,  shall  not  be affected  by  such  invalidity  or
unenforceability,  unless such provision or such  application  of
such provision is essential to this Agreement.

     24.   Notices.  All notices or other communications required
or permitted to be given to a party to this Agreement shall be in
writing  and  shall  be personally delivered, sent  by  certified
mail,  postage prepaid, return receipt requested, or sent  by  an
overnight   express   courier  service  that   provides   written
confirmation  of delivery, to such party at its  address  as  set
forth  above  in  the introductory Paragraph of  this  Agreement.
Each  such  notice or other communication shall be deemed  given,
delivered and received upon its actual receipt, except that if it
is  sent by mail in accordance with this Paragraph, then it shall
be deemed given, delivered and received three days after the date
such  notice or other communication is deposited with the  United
States  Postal  Service in accordance with this  Paragraph.   Any
party  to  this  Agreement may give a notice of a change  of  its
address to the other party(ies) to this Agreement.
     
     25.  Drafting Ambiguities.  Each party to this Agreement has
reviewed and revised this Agreement.  Each party to this
Agreement has had the opportunity to have such party's legal
counsel review and revise this Agreement.  The rule of
construction that any ambiguities are to be resolved against the
drafting party shall not be employed in the interpretation of
this Agreement or of any amendments or exhibits to this
Agreement.

     


ENERDYNE TECHNOLOGIES, INC., a California corporation



By:  /S/ JON GILBERT



/s/ SCOTT T. BODEN
Scott T. Boden
                                
                                
                               

EXHIBIT 10.1 (b)

THE SECURITY REPRESENTED BY THIS OPTION AGREEMENT HAS BEEN
ACQUIRED FOR INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION
WITH, THE SALE OR DISTRIBUTION THEREOF.  NO SUCH SALE OR
DISPOSITION MAY BE EFFECTED WITHOUT AN EFFECTIVE REGISTRATION
STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL SATISFACTORY
TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED.



                         BOATRACS, INC.

               NONSTATUTORY STOCK OPTION AGREEMENT
                                


     THIS NONSTATUTORY STOCK OPTION AGREEMENT (the "Option
Agreement") is made and entered into as of July  7, 1998, by and
between Boatracs, Inc. (the "Company") and Scott T. Boden (the
"Optionee").

     As partial consideration to Optionee under the Employment
Agreement, the Company has granted to the Optionee an option to
purchase certain shares of Stock upon the terms and conditions
set forth in this Option Agreement (the "Option").

     1.   Definitions and Construction.

          1.1. Definitions.  Whenever used herein, the following terms
shall have their respective meanings set forth below:

               (a)  "Board" means the Board of Directors of the Company.

               (b)  "Company" means Boatracs, Inc., a California corporation, or
any successor corporation thereto.

               (c)  "Date of Option Grant" means July 7, 1998.

               (d)  "Disability" shall mean permanent and total disability
within the meaning of Section 422(c)(6) of the Internal Revenue
Code of 1986, as amended, and applicable regulations thereunder.

               (e)  "Employment Agreement" shall mean Optionee's Employment
Agreement dated July 7, 1998 with the Participating Company
Group.

               (f)  "Exercise Price" means $2.00 per share of Stock, as adjusted
from time to time pursuant to Section 9.

               (g)  "Initial Exercise Date" means the second anniversary of the
Date of Option Grant.

               (h)  "Initial Vesting Date" means the second anniversary of the
Date of Option Grant.

               (i)  "Number of Option Shares" means 500,000 shares of Stock, as
adjusted from time to time pursuant to Section 9.

               (j)  "Option Expiration Date" means the date four years after the
Date of Option Grant.

               (k)  "Participating Company Group" means the Company, Enerdyne
Technologies, Inc. and/or any other affiliate of the Company.

               (l)  "Securities Act" means the Securities Act of 1933, as
amended.

               (m)  "Service" means the Optionee's employment or service with
the Participating Company Group as detailed in the Employment
Agreement.  Optionee's Service shall not be deemed to have
terminated merely because of a change in the capacity in which
the Optionee renders Service to the Participating Company Group
or a change in the entity within the Participating Company Group
for which the Optionee renders such Service, provided that there
is no interruption or termination of the Optionee's Service.

               (n)  "Stock" means the Common Stock of the Company.

               (o)  "Vested Percentage" means, on any relevant date, the
percentage determined as follows (subject to Sections 7.1(a) and
7.1(b)):

                                                  Vested Percentage
                                                  
               Prior to Initial Vesting                   0%
               Date
                                                         
               On Initial Vesting Date                    100%
               

          1.2. Construction.  Captions and titles contained herein are for
convenience only and shall not affect the meaning or
interpretation of any provision of this Option Agreement.  Except
when otherwise indicated by the context, the singular shall
include the plural, the plural shall include the singular, and
the term "or" shall include the conjunctive as well as the
disjunctive.

     2.   Tax Consequences.  The Holder acknowledges that tax filings
related hereto are the sole responsibility of the Holder.  The
Holder should consult with the Holder's own tax advisor regarding
the tax effects of this Option.

     3.   Administration.  All questions of interpretation concerning
this Option Agreement shall be determined by the Board, including
any duly appointed Committee of the Board.  Unless otherwise
determined by a court of law, all determinations by the Board
shall be final and binding upon all persons having an interest in
the Option.  Any officer of Company shall have the authority to
act on behalf of the Company with respect to any matter, right,
obligation, or election which is the responsibility of or which
is allocated to the Company herein, provided the officer has
apparent authority with respect to such matter, right,
obligation, or election.

     4.   Exercise of the Option.

          4.1. Right to Exercise.  Except as otherwise provided herein, the
Option shall be exercisable on or after the Initial Exercise Date
and prior to the termination of the Option (as provided in
Section 6) in an amount not to exceed the Number of Option Shares
multiplied by the Vested Percentage less the number of shares
previously acquired upon exercise of the Option. In no event
shall the Option be exercisable for more shares than the Number
of Option Shares.

          4.2. Method of Exercise.  Exercise of the Option shall be by
written notice to the Company which must state the election to
exercise the Option, the number of whole shares of Stock for
which the Option is being exercised and such other
representations and agreements as to the Optionee's investment
intent with respect to such shares as may be required pursuant to
the provisions of this Option Agreement.  The written notice must
be signed by the Optionee and must be delivered in person, by
certified or registered mail, return receipt requested, by
confirmed facsimile transmission, or by such other means as the
Company may permit, to the Chief Financial Officer of the
Company, prior to the termination of the Option as set forth in
Section 6, accompanied by full payment of the aggregate Exercise
Price for the number of shares of Stock being purchased, or
pursuant to the provisions of Section 4.4 below.  The Option
shall be deemed to be exercised upon receipt by the Company of
such written notice and the aggregate Exercise Price.

          4.3. Payment of Exercise Price.  Payment of the aggregate
Exercise Price for the number of shares of Stock for which the
Option is being exercised shall be made in cash, by check, or
cash equivalent, or pursuant to the provisions of Section 4.4
below.

          4.4.
Net Issue Exercise.  Notwithstanding any provisions
herein to the contrary, so long as and to the extent that this
Option may be exercised,  in lieu of exercising the Option for
cash the Optionee may elect to receive shares of Stock equal to
the value (as determined below) of this Option (or the portion
thereof being exercised).  The Optionee may make the election
described in this Section 4.4 by surrendering this Option
Agreement, delivering a notice of election under this provision
and providing such other documents as are referenced in Section
4.2, following the procedures set forth in such section.  In such
event the Company shall issue to the Optionee (a) within thirty
(30) days an amended or amended and restated Option Agreement
substantially in the form hereof representing the number of
Option Shares with respect to which this Option shall not then
have been exercised and (b) a number of shares of  Stock computed
using the following formula:

                                                                       
                        Y (A-B)                                            
                  X =   -------
                           A                                                  A
                                               
        Where  X = the number of shares of Stock to be isued to the Holder,
               Y = the number of shares of  Stock vested under the
               Option or, if only a portion of the Option is being
               exercised, the portion of the vested Option being
               exercised (at the date of such calculation),
               A = the fair market value of one share of the Company's
                   Stock (at the date of such calculation), and
               B = the Exercise Price.

               For purposes of the above calculation, fair market
value of one share of Stock shall be determined by the Board in
good faith; provided, however, that where there exists a public
market for the Company's Stock at the time of such exercise, fair
market value shall mean the average over the preceding ten
trading days (or such fewer number of days as such public market
has existed) of the mean of the closing bid and asked prices on
the over-the-counter market as reported by the National
Association of Securities Dealers Automated Quotation ("Nasdaq")
system, or if the Stock is then traded on a national securities
exchange or the Nasdaq Stock Market, the average over the
preceding ten trading days (or such fewer number of days as the
Stock has been so traded) of the closing sale prices on the
principal national securities exchange or the Nasdaq market on
which it is so traded.

          4.5. Tax Withholding.  At the time the Option is exercised, in
whole or in part, or at any time thereafter as requested by the
Company, the Optionee hereby authorizes withholding from payroll
and any other amounts payable to the Optionee, and otherwise
agrees to make adequate provision for (including by means of a
cashless exercise to the extent permitted by the Company), any
sums required to satisfy the federal, state, local and foreign
tax withholding obligations of the Participating Company Group,
if any, which arise in connection with the Option, including,
without limitation, obligations arising upon (i) the exercise, in
whole or in part, of the Option, (ii) the transfer, in whole or
in part, of any shares acquired upon exercise of the Option,
(iii) the operation of any law or regulation providing for the
imputation of interest, or (iv) the lapsing of any restriction
with respect to any shares acquired upon exercise of the Option.
The Optionee is cautioned that the Option is not exercisable
unless the tax withholding obligations of the Participating
Company Group are satisfied.  Accordingly, the Optionee may not
be able to exercise the Option when desired even though the
Option is vested, and the Company shall have no obligation to
issue a certificate for such shares until any such obligations
are satisfied.

          4.6. Certificate Registration.  The certificate for the shares as
to which the Option is exercised shall be registered in the name
of the Optionee, or, if applicable, in the names of the
transferee, assignee or heirs of the Optionee.

          4.7. Restrictions on Grant of the Option and Issuance of Shares.
The grant of the Option and the issuance of shares of Stock upon
exercise of the Option shall be subject to compliance with all
applicable requirements of federal, state or foreign law with
respect to such securities.  The Option may not be exercised if
the issuance of shares of Stock upon exercise would constitute a
violation of any applicable federal, state or foreign securities
laws or other law or regulations or the requirements of any stock
exchange or market system upon which the Stock may then be
listed.  In addition, the Option may not be exercised unless
(i) a registration statement under the Securities Act shall at
the time of exercise of the Option be in effect with respect to
the shares issuable upon exercise of the Option or (ii) in the
opinion of legal counsel to the Company, the shares issuable upon
exercise of the Option may be issued in accordance with the terms
of an applicable exemption from the registration requirements of
the Securities Act.  In the event at the Option Expiration Date
such registration statement is required (including for a net
issue exercise) and is not then in effect, the term of this
option shall be extended for 10 days after such registration
statement is declared effective or not otherwise required.  THE
OPTIONEE IS CAUTIONED THAT THE OPTION MAY NOT BE EXERCISED UNLESS
THE FOREGOING CONDITIONS ARE SATISFIED.  ACCORDINGLY, THE
OPTIONEE MAY NOT BE ABLE TO EXERCISE THE OPTION WHEN DESIRED EVEN
THOUGH THE OPTION IS VESTED.  Questions concerning this
restriction should be directed to the Chief Financial Officer of
the Company.  The inability of the Company to obtain from any
regulatory body having jurisdiction the authority, if any, deemed
by the Company's legal counsel to be necessary to the lawful
issuance and sale of any shares subject to the Option shall
relieve the Company of any liability in respect of the failure to
issue or sell such shares as to which such requisite authority
shall not have been obtained.  As a condition to the exercise of
the Option, the Company may require the Optionee to satisfy any
qualifications that may be necessary or appropriate, to evidence
compliance with any applicable law or regulation and to make any
representation or warranty with respect thereto as may be
requested by the Company.

          4.8. Fractional Shares.  The Company shall not be required to
issue fractional shares upon the exercise of the Option but in
lieu of such fractional shares the Company shall make a cash
payment therefor upon the basis of the fair market value per
share of Stock as of the date of exercise.

     5.   Nontransferability of the Option.  The Option may be
exercised only by the Optionee or the Optionee's guardian or
legal representative.  The Option may not be assigned or
transferred in any manner except with the prior written consent
of the Company and the prior delivery by the assignee or
transferee of a written agreement in a form acceptable to the
Company in its sole discretion that such assignee or transferee
will abide by such restrictions regarding the Stock as apply to
the Optionee.  Following the death of the Optionee, the Option,
to the extent provided in Section 7, may be exercised by the
Optionee's legal representative or by any person empowered to do
so under the deceased Optionee's will or under the then
applicable laws of descent and distribution.

     6.   Termination of the Option.  The Option shall terminate and
may no longer be exercised on the first to occur of the Option
Expiration Date or a Transfer of Control to the extent provided
in Section 8.

     7.   Effect of Termination of Service.

          7.1. Option Exercisability.

               (a)  Disability.  If the Optionee's Service with the
Participating Company Group is terminated because of the
Disability of the Optionee, (i) a fraction (no greater than 1/1)
of the Option shall vest equal to the number of months of
Optionee's service under Optionee's Employment Agreement prior to
such termination divided by the number of months of the term of
Optionee's Employment Agreement and (ii) the Option, to the
extent unexercised and vested on the date on which the Optionee's
Service terminated, may be exercised by the Optionee (or the
Optionee's guardian or legal representative) at any time prior to
the Option Expiration Date.

               (b)  Death.  If the Optionee's Service with the Participating
Company Group is terminated because of the death of the Optionee,
(i) a fraction (no greater than 1/1) of the Option shall vest
equal to the number of months of Optionee's service under
Optionee's Employment Agreement prior to such termination divided
by the number of months of the term of Optionee's Employment
Agreement and (ii) the Option, to the extent unexercised and
vested on the date on which the Optionee's Service terminated,
may be exercised by the Optionee (or the Optionee's legal
representative or other person who acquired the right to exercise
the Option by reason of the Optionee's death) at any time prior
to the Option Expiration Date.

               (c)  Termination of Employment by the Company. If the Optionee's
Service with the Participating Company Group is terminated by the
Participating Company Group for "cause" (as defined herein), the
Option may only be exercised to the extent that it is unexercised
and vested on the date of such termination.  Notwithstanding
anything to the contrary herein or in Section 1.1(o), if the
Optionee's Service with the Participating Company Group is
terminated by the Participating Company Group for any reason
other than for "cause," the Option, to the extent unexercised,
will become fully vested on the date on which Optionee's Service
terminated.  For purposes of this Agreement, termination for
"cause" shall be limited to the occurrence of any of the
following events, and may be effected only upon delivery of
written notice to Optionee specifying the cause or causes relied
upon for such termination:

          i.    Optionee's failure (after notice and a reasonable
opportunity  to cure) to devote substantially all  of  Optionee's
business energies, interest, abilities and productive time during
regular business hours to the proper and efficient performance of
Optionee's  duties  as Chief Technology Officer.   The  foregoing
shall not preclude Optionee from engaging in civic, charitable or
religious  activities, or from serving on boards of directors  of
companies  or  organizations which  do  not  present  any  direct
conflict  of  interest  with  the  Participating  Company  Group,
provided  that  time devoted to such activities  during  business
hours  shall not exceed 3 hours per month without the consent  of
the Company's Chief Executive Officer;

          ii.  Optionee's engaging or in any manner participating
in any activity which is knowingly injurious to the Participating
Company  Group,  provided that the same  has  not  been  remedied
within  three  days after notice of such violation  is  given  to
Optionee by the Participating Company Group; and

          iii. Optionee's conviction of a felony involving
dishonesty or moral turpitude.

          (d)  Termination of Employment by the Optionee.   If the Optionee
voluntarily terminates Optionee's Service with the Participating
Company Group, the Option may only be exercised to the extent
that it is unexercised and vested on the date of such
termination.  Notwithstanding anything to the contrary herein or
in Section 1.1(o), if the Optionee's Service with the
Participating Company Group is terminated by the Optionee for
"sufficient reason" (as defined herein), the Option, to the
extent unexercised, will become fully vested on the date on which
Optionee's Service terminated.  For purposes of this Agreement,
the following grounds constitute "sufficient reason" if
termination by the Optionee is effected within 180 days following
the occurrence any one or more of the following events:

          i.     The   assignment  to  Optionee  of  any   duties
materially   inconsistent  with  Optionee's   status   as   Chief
Technology  Officer  of the Participating Company  Group  or  the
reduction  of  Optionee's authority as provided under  Optionee's
Employment Agreement with the Participating Company Group;

          ii.   The  reduction by the Company in Optionee's  base
salary  or as the same may be increased from time to time, except
for  across-the-board salary reductions approved by the Board  of
Directors  of  the  Company  similarly affecting  all  management
personnel of the Company; and

           iii. A change in the place of the Optionee's principal
employment  by  more than 35 miles from the Optionee's  place  of
principal employment as of the Date of Option Grant.

          7.2. Leave of Absence.  For purposes of Section 7.1, the
Optionee's Service with the Participating Company Group shall not
be deemed to terminate if the Optionee takes any military leave,
sick leave, or other bona fide leave of absence approved by the
Company of ninety (90) days or less.  In the event of a leave of
absence in excess of ninety (90) days, the Optionee's Service
shall be deemed to terminate on the ninety-first (91st) day of
such leave unless the Optionee's right to reemployment with the
Participating Company Group remains guaranteed by statute or
contract.  Notwithstanding the foregoing, unless otherwise
designated by the Company (or required by law), a leave of
absence shall not be treated as Service for purposes of
determining the Optionee's Vested Percentage.

     8.   Transfer of Control.

          8.1. Definitions.

               (a)  An "Ownership Change Event" shall be deemed to have occurred
if any of the following occurs with respect to the Company:

        (i)  the direct or indirect sale or exchange in a single or
series of related transactions by the shareholders of the Company
of more than fifty percent (50%) of the voting stock of the
Company;

       (ii) a merger or consolidation in which the Company is a party;

       (iii) the sale, exchange, or transfer of all or substantially
              all of the assets of the Company; or

       (iv) a liquidation or dissolution of the Company.

      (b)  A "Transfer of Control" shall mean an Ownership Change Event
or a series of related Ownership Change Events (collectively, the
"Transaction") wherein the shareholders of the Company
immediately before the Transaction do not retain immediately
after the Transaction, in substantially the same proportions as
their ownership of shares of the Company's voting stock
immediately before the Transaction, direct or indirect beneficial
ownership of more than fifty percent (50%) of the total combined
voting power of the outstanding voting stock of the Company or
the corporation or corporations to which the assets of the
Company were transferred (the "Transferee Corporation(s)"), as
the case may be.  For purposes of the preceding sentence,
indirect beneficial ownership shall include, without limitation,
an interest resulting from ownership of the voting stock of one
or more corporations which, as a result of the Transaction, own
the Company or the Transferee Corporation(s), as the case may be,
either directly or through one or more subsidiary corporations.
The Board shall have the right to determine whether multiple
sales or exchanges of the voting stock of the Company or multiple
Ownership Change Events are related, and its determination shall
be final, binding and conclusive.

          8.2. Effect of Transfer of Control on Option.  In the event of a
Transfer of Control, the Vested Percentage shall be adjusted to
100% (if not already at that percentage) ten days prior to the
Transfer of Control.  In the event of a Transfer of Control, the
surviving, continuing, successor, or purchasing corporation or
parent corporation thereof, as the case may be (the "Acquiring
Corporation"), may either assume the Company's rights and
obligations under the Option or substitute for the Option a
substantially equivalent option for the Acquiring Corporation's
stock.  The Option shall terminate and cease to be outstanding
effective as of the date of the Transfer of Control to the extent
that the Option is neither assumed or substituted for by the
Acquiring Corporation in connection with the Transfer of Control
nor exercised as of the date of the Transfer of Control; provided
that the Optionee has received notice of the Transfer of Control
15 days in advance of the effective date.  Furthermore,
notwithstanding the foregoing, if the corporation the stock of
which is subject to the Option immediately prior to an Ownership
Change Event described in Section 8.1(a)(i) constituting a
Transfer of Control is the surviving or continuing corporation
and immediately after such Ownership Change Event less than fifty
percent (50%) of the total combined voting power of its voting
stock is held by another corporation or by other corporations
that are members of an affiliated group within the meaning of
Section 1504(a) of the Code without regard to the provisions of
Section 1504(b) of the Code, the Option shall not terminate
unless the Board otherwise provides in its sole discretion.

     9.   Adjustments for Changes in Capital Structure.  In the event
of any stock dividend, stock split, reverse stock split,
recapitalization, combination, reclassification, or similar
change in the capital structure of the Company, appropriate
adjustments shall be made in the number, Exercise Price and class
of shares of stock subject to the Option.  If a majority of the
shares which are of the same class as the shares that are subject
to the Option are exchanged for, converted into, or otherwise
become (whether or not pursuant to an Ownership Change Event)
shares of another corporation (the "New Shares"), the Board may
unilaterally amend the Option to provide that the Option is
exercisable for New Shares.  In the event of any such amendment,
the Number of Option Shares and the Exercise Price shall be
adjusted in a fair and equitable manner, as determined by the
Board, in its sole discretion.  Notwithstanding the foregoing,
any fractional share resulting from an adjustment pursuant to
this Section 9 shall be rounded up or down to the nearest whole
number, as determined by the Board, and in no event may the
Exercise Price be decreased to an amount less than the par value,
if any, of the stock subject to the Option.  Unless otherwise
determined by a court of law, the adjustments determined by the
Board pursuant to this Section 9 shall be final, binding and
conclusive.

     10.  Rights as a Shareholder, Employee or Consultant.  The
Optionee shall have no rights as a shareholder with respect to
any shares covered by the Option until the date of the issuance
of a certificate for the shares for which the Option has been
exercised (as evidenced by the appropriate entry on the books of
the Company or of a duly authorized transfer agent of the
Company).  No adjustment shall be made for dividends,
distributions or other rights for which the record date is prior
to the date such certificate is issued, except as provided in
Section 9.  Nothing in this Option Agreement shall confer upon
the Optionee any right to continue in the Service of a
Participating Company or interfere in any way with any right of
the Participating Company Group or its shareholders to terminate
the Optionee's Service in accordance with the Employment
Agreement.

     11.  Legends.  The Company may at any time place legends
referencing any applicable federal, state or foreign securities
law restrictions on all certificates representing shares of stock
subject to the provisions of this Option Agreement.  The Optionee
shall, at the request of the Company, promptly present to the
Company any and all certificates representing shares acquired
pursuant to the Option in the possession of the Optionee in order
to carry out the provisions of this Section.  Unless otherwise
specified by the Company, legends placed on such certificates may
include, but shall not be limited to, the following:

          11.1.     "THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT
BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND
MAY NOT BE SOLD, TRANSFERRED, ASSIGNED OR HYPOTHECATED UNLESS
THERE IS AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT
COVERING SUCH SECURITIES, THE SALE IS MADE IN ACCORDANCE WITH
RULE 144 OR RULE 701 UNDER THE ACT, OR THE COMPANY RECEIVES AN
OPINION OF COUNSEL FOR THE HOLDER OF THESE SECURITIES REASONABLY
SATISFACTORY TO THE COMPANY, STATING THAT SUCH SALE, TRANSFER,
ASSIGNMENT OR HYPOTHECATION IS EXEMPT FROM THE REGISTRATION AND
PROSPECTUS DELIVERY REQUIREMENTS OF SUCH ACT."

          11.2.     Any legend required to be placed thereon by the
Commissioner of Corporations of the State of California.

     12.  Binding Effect.  Subject to the restrictions on transfer set
forth herein, this Option Agreement shall inure to the benefit of
and be binding upon the parties hereto and their respective
heirs, executors, administrators, successors and assigns.

     13.  Amendment.  The Board may amend the Option at any time;
provided, however, that except as provided in Section 8.2 in
connection with a Transfer of Control, no such amendment may
adversely affect the Option or any unexercised portion hereof
without the consent of the Optionee unless such amendment is
necessary to comply with any applicable law or government
regulation.  No amendment or addition to this Option Agreement
shall be effective unless in writing.

     14.  Integrated Agreement.  This Option Agreement constitutes the
entire understanding and agreement of the Optionee and the
Participating Company Group with respect to the subject matter
contained herein, and there are no agreements, understandings,
restrictions, representations, or warranties among the Optionee
and the Participating Company Group with respect to such subject
matter other than those as set forth or provided for herein or
therein.  To the extent contemplated herein or therein, the
provisions of this Option Agreement shall survive any exercise of
the Option and shall remain in full force and effect.  Nothing in
this Agreement shall modify the terms of the Employment Agreement
or affect any right which the Company may have to terminate the
employment of the Optionee.

     15.  Applicable Law.  This Option Agreement shall be governed by
the laws of the State of California as such laws are applied to
agreements between California residents entered into and to be
performed entirely within the State of California without regard
to the choice of law provisions in such state.


                              BOATRACS, INC.



                              By: /S/  MICHAEL SILVERMAN


                              Title: CHAIRMAN

     The Optionee represents that the Optionee is familiar with
the terms and provisions of this Option Agreement and hereby
accepts the Option subject to all of the terms and provisions
thereof.  The Optionee hereby agrees to accept as binding,
conclusive and final all decisions or interpretations of the
Board upon any questions arising under this Option Agreement.



                                          OPTIONEE
                          
Date:     JULY 7, 1998                  /s/ SCOTT T. BODEN


                                

EXHIBIT 10.2 (a)

                      EMPLOYMENT AGREEMENT


This  Employment Agreement (the "Agreement") executed as of  July
7,  1998 (the "Execution Date") shall be effective as of July  8,
1998  (the "Effective Date") between ENERDYNE TECHNOLOGIES, INC.,
a  California corporation (the "Company"), having an address  for
notices  at  8402  Magnolia Avenue, Suite C,  Santee,  California
92071  and  IRENE SHINSATO ("Employee"), having  an  address  for
notices  at 6741 Avenida Manana, La Jolla, California 93027,  who
agree in connection with the acquisition of Enerdyne by Boatracs,
Inc. ("Boatracs") as follows:

     1.     Hiring.  The Company hereby hires Employee, and Employee
hereby agrees to serve the Company as President on and after  the
Effective Date.

      2.   Duties.   Employee  shall  faithfully  and  diligently
perform  the following duties on a full-time basis:  (a) devoting
Employee's entire productive time, ability and attention  to  the
business of the Company; and (b) performing such other duties  as
the  board of directors of the Company (the "Board"), shall  from
time to time specify that are consistent with the duties normally
performed by an employee in Employee's position.

     3.  Base Compensation.
     
          3.1.      Employee's    base    compensation     ("Base
Compensation") under this Agreement shall be $120,000  per  year.
The  Base  Compensation shall be payable bi-weekly, in accordance
with  and  at  the  same times as the Company's ordinary  payroll
procedures.
          
          3.2.      Employee shall receive an option to purchase
500,000 shares of the common stock of Boatracs in accordance with
the form of option agreement attached hereto as Exhibit A.
     
     
     4.    Benefits.  Employee shall be entitled to the following
benefits from the Effective Date to the expiration of the term of
this Agreement:

          4.1.   Twenty (20) business days paid vacation for each
one-year  period during the term of this Agreement (prorated  for
any  partial year), to be taken at such times that are consistent
with  Employee's  performance  of Employee's  duties  under  this
Agreement.

          4.2.   Reimbursement for reasonable expenses, including
reasonable  and  customary automobile expenses, incurred  in  the
proper performance of Employee's duties under this Agreement  and
in accordance with the Company's policy.

          4.3.   Inclusion in the Company's medical plan for  the
Company's other employees.

          4.4.  All customary and usual fringe benefits generally
available  to  officers of Enerdyne or Boatracs  with  comparable
levels   of   responsibility.   Notwithstanding   the   preceding
sentence, Enerdyne reserves the right to change or terminate  the
fringe  benefits  on a prospective basis, at any time,  effective
upon  delivery  of  5  days  written notice  to  Employee.   Upon
Employee's termination of employment under this Agreement for any
reason,  Employee  shall  be  entitled  only  to  receive  fringe
benefits prorated to the date of termination..

     5.   Termination.   This Agreement shall  terminate  on  the
earlier  of (a) the first anniversary of the Effective  Date,  or
(b)  the termination of Employee's service as an employee of  the
Company.   In  addition, at any time that Good Cause (as  defined
below)  exists  or has arisen, the Company may, at its  election,
terminate this Agreement upon 3 days written notice. For purposes
of  this  Agreement,  "Good Cause" shall mean  the  existence  or
occurrence of any of the following:

          5.1.  Any neglect or breach of duty by Employee, or any
failure by Employee to perform, to the reasonable satisfaction of
the  board  of directors of the Company, such duties  as  may  be
delegated to Employee by the Company from time to time.

          5.2.  If Employee is convicted of a felony.
          
          5.3.  If Employee commits theft, larceny, embezzlement,
fraud,  any  acts of dishonesty, illegality, moral  turpitude  or
gross mismanagement, as determined in good faith by the board  of
directors of the Company, whose determination shall be final  and
binding.

          5.4.   If  Employee otherwise materially and repeatedly
breaches any provision of this Agreement.

          5.5.   If Employee becomes materially disabled to  such
an  extent that Employee is precluded from performing the  duties
set  forth  in this Agreement for a period of six (6)  months  or
more.

     6.    Representations  and  Warranties.    Employee   hereby
represents and warrants that as of the Execution Date:  (a)  this
Agreement  will  not  cause or require  Employee  to  breach  any
obligation to, or agreement or confidence with, any other person;
(b)  except  as disclosed in writing by Employee to  the  Company
prior  to  the  execution  of  this Agreement,  Employee  is  not
representing, or otherwise affiliated in any capacity  with,  any
other  lines  of  products, manufacturers  or  vendors;  and  (c)
Employee has not been induced to enter into this Agreement by any
promise  or representation other than as expressly set  forth  in
this Agreement.

     7.   Confidentiality.  Employee hereby acknowledges that the
Company  has  made  (or may make) available to  Employee  certain
customer lists, product design information, performance standards
and  other  confidential and/or proprietary  information  of  the
Company  or licensed to the Company, including without limitation
trade secrets, copyrighted materials and/or financial information
of  the  Company  (or  any of its affiliates)  including  without
limitation  financial statements, reports and data (collectively,
the  "Confidential Material").  Except as essential to Employee's
obligations under this Agreement, neither Employee nor any agent,
employee,  officer, or independent contractor of or  retained  by
Employee  shall make any disclosure of the Confidential Material.
Unless  the terms of this Agreement have been publicly  disclosed
by  the   Company or Boatracs, neither Employee nor any agent  of
Employee shall make any disclosure of this Agreement or its terms
except  a description of the term of this Agreement or disclosure
to obtain tax or legal advice.  Except as essential to Employee's
obligations under this Agreement, neither Employee nor any agent,
employee,  officer, or independent contractor of or  retained  by
Employee shall make any duplication or other copy of any  of  the
Confidential  Material.   Immediately  upon  request   from   the
Company,  Employee shall return to the Company  all  Confidential
Material.   Employee  shall  notify  each  person  to  whom   any
disclosure  is  made that such disclosure is made in  confidence,
that  the  Confidential Material shall be kept in  confidence  by
such  person,  and  that  such  person  shall  be  bound  by  the
provisions of this Paragraph.

     8.    Proprietary   Information.   For  purposes   of   this
Agreement,  "Proprietary Information" shall mean any information,
observation,  data, written material, record, document,  computer
program,  software, firmware, invention, discovery,  improvement,
development,   tool,   machine,  apparatus,  appliance,   design,
promotional  idea,  customer  list, practice,  process,  formula,
method,  technique, trade secret, product and/or research related
to  the actual or anticipated (as demonstrated by contemporaneous
written  evidence) research, development, products, organization,
business  or  finances of the Company (or any of its affiliates).
As  used  herein, "Proprietary Information" does not include  (a)
any invention or intellectual property that qualifies fully under
the  provisions  of  California Labor Code Section  2870  or  any
similar or successor statute or (b) any invention or intellectual
property  relating to the categories of technology set  forth  on
Exhibit  B.   All  right, title and interest of  every  kind  and
nature  whatsoever  in and to the Proprietary  Information  made,
discussed,  developed, secured, obtained or learned  by  Employee
during   the  term  of  this  Agreement,  or  the  60-day  period
immediately following termination of this Agreement, shall be the
sole  and  exclusive property of the Company for any purposes  or
uses  whatsoever, and shall be disclosed promptly by Employee  to
the  Company.  The covenants set forth in the preceding  sentence
shall apply regardless of whether any Proprietary Information  is
made,   discovered,  developed,  secured,  obtained  or   learned
(a) solely or jointly with others, (b) during the usual hours  of
work or otherwise, (c) at the request and upon the suggestion  of
the  Company  or otherwise, or (d) with the Company's  materials,
tools,  instruments  or on the Company's premises  or  otherwise.
All   Proprietary   Information  developed,  created,   invented,
devised, conceived or discovered by Employee that are subject  to
copyright  protection are explicitly considered by  Employee  and
the Company to be works made for hire to the extent permitted  by
law.   Employee  hereby assigns to the Company all of  Employee's
right,  title and interest in and to the Proprietary Information.
Employee  hereby  forever  fully  releases  and  discharges   the
Company,  any  affiliates  of the Company  and  their  respective
officers, directors and employees, from and against any  and  all
claims,  demands,  damages, liabilities, costs  and  expenses  of
Employee   arising  out  of,  or  relating  to,  any  Proprietary
Information.  Employee shall execute any documents and  take  any
action   the  Company  may  deem  necessary  or  appropriate   to
effectuate  the  provisions of this Agreement, including  without
limitation  assisting the Company in obtaining and/or maintaining
patents,   copyrights  or  similar  rights  to  any   Proprietary
Information assigned to the Company, if the Company, in its  sole
discretion, requests such assistance.  Employee shall comply with
any reasonable rules established from time to time by the Company
for  the  protection  of the confidentiality of  any  Proprietary
Information.   Employee irrevocably appoints the Chief  Financial
Officer   of  the  Company  to  act  as  Employee's   agent   and
attorney-in-fact to perform all acts necessary to  obtain  and/or
maintain   patents,  copyrights  and  similar   rights   to   any
Proprietary Information assigned by Employee to the Company under
this Agreement if (a)  Employee refuses to perform those acts, or
(b)  is  unavailable, within the meaning of any applicable  laws.
Employee  acknowledges that the grant of the foregoing  power  of
attorney is coupled with an interest and shall survive the  death
or  disability of Employee.  Employee shall promptly disclose  to
the  Company, in confidence (a) all Proprietary Information  that
Employee creates during the term of this Agreement, and  (b)  all
patent  applications  filed by Employee  within  one  year  after
termination  of this Agreement.  Any application  for  a  patent,
copyright registration or similar right filed by Employee  within
one  year  after termination of this Agreement shall be  presumed
not  to  relate  to Proprietary Information created  by  Employee
during  the  term  of this Agreement, unless  Company  can  prove
otherwise.   Nothing  contained  in  this  Agreement   shall   be
construed  to  preclude the Company from exercising  all  of  its
rights  and privileges as sole and exclusive owner of all of  the
Proprietary Information owned by or assigned to the Company under
this  Agreement.   The  Company, in exercising  such  rights  and
privileges  with  respect to any particular item  of  Proprietary
Information, may decide not to file any patent application or any
copyright  registration  on  such  Proprietary  Information,  may
decide  to  maintain such Proprietary Information as  secret  and
confidential,   or   may  decide  to  abandon  such   Proprietary
Information or dedicate it to the public.  Employee shall have no
authority  to exercise any rights or privileges with  respect  to
the  Proprietary Information owned by or assigned to the  Company
under this Agreement.
     
     9.   Business  Opportunities.  Nothing in this Agreement  is
intended  to affect any common law obligations or any  duties  of
Employee  as  a  director or officer of the Company  to  offer  a
project,  investment, venture, business or other opportunity  (an
"Opportunity")  to  the Company or to use good-faith  efforts  to
cause  the  Company  to  have the opportunity  to  invest  in  or
participate in such Opportunity.

     10.  Successors and Assigns.  The rights and obligations of
Enerdyne under this Agreement shall inure to the benefit of and
shall be binding upon the successors and assigns of Enerdyne.
Employee shall not be entitled to assign any of Employee' rights
or obligations under this Agreement.

     11.    Survival.    The  representations,   warranties   and
covenants  of  Employee in this Agreement  (including  those  set
forth  in Sections 6, 7, and 8) shall survive any termination  of
this Agreement.

     12.  Governing Law.  This Agreement shall be governed by and
construed in accordance with the laws of the State of California.

     13.  Further Assurances.  Each party to this Agreement shall
execute all instruments and documents and take all actions as may
be reasonably required to effectuate this Agreement.

     14.   Venue  and Jurisdiction.  For purposes  of  venue  and
jurisdiction,  this  Agreement shall be deemed  made  and  to  be
performed in the City of San Diego, California.

     15.   Counterparts.   This  Agreement  may  be  executed  in
counterparts, each of which shall be deemed an original  and  all
of which together shall constitute one document.

     16.    Time  of  Essence.   Time  and  strict  and  punctual
performance are of the essence with respect to each provision  of
this Agreement.

     17.    Attorney's  Fees.   In  the  event  any   litigation,
arbitration,  mediation,  or other proceeding  ("Proceeding")  is
initiated  by  any  party(ies) against any  other  party(ies)  to
enforce, interpret or otherwise obtain judicial or quasi-judicial
relief   in   connection  with  this  Agreement,  the  prevailing
party(ies)  in such Proceeding shall be entitled to recover  from
the  unsuccessful  party(ies)  all costs,  expenses,  and  actual
attorney's  fees  relating to or arising out of  such  Proceeding
(whether  or not such Proceeding proceeds to judgment),  and  any
post-judgment   or   post-award  proceeding   including   without
limitation  one  to enforce any judgment or award resulting  from
any such Proceeding.  Any such judgment or award shall contain  a
specific  provision  for the recovery of  all  such  subsequently
incurred costs, expenses, and actual attorney's fees.

     18.  Modification.  This Agreement may be modified only by a
contract  in writing executed by the party(ies) to this Agreement
against whom enforcement of such modification is sought.

     19.   Headings.   The  headings of the  Paragraphs  of  this
Agreement have been included only for convenience, and shall  not
be  deemed in any manner to modify or limit any of the provisions
of this Agreement, or be used in any manner in the interpretation
of this Agreement.

     20.   Prior  Understandings.  This  Agreement  contains  the
entire  agreement  between the parties  to  this  Agreement  with
respect to the subject matter of this Agreement, is intended as a
final expression of such parties' agreement with respect to  such
terms  as  are  included  in this Agreement,  is  intended  as  a
complete  and exclusive statement of the terms of such agreement,
and  supersedes  all negotiations, stipulations,  understandings,
agreements, representations and warranties, if any, with  respect
to  such subject matter, which precede or accompany the execution
of this Agreement.

     21.   Interpretation.  Whenever the context so  requires  in
this Agreement, all words used in the singular shall be construed
to  have  been used in the plural (and vice versa),  each  gender
shall  be  construed to include any other genders, and  the  word
"person"  shall  be  construed to include  a  natural  person,  a
corporation, a firm, a partnership, a joint venture, a trust,  an
estate or any other entity.

     22.   Partial Invalidity.  Each provision of this  Agreement
shall be valid and enforceable to the fullest extent permitted by
law.   If  any provision of this Agreement or the application  of
such  provision  to  any  person or circumstance  shall,  to  any
extent,  be  invalid  or  unenforceable, the  remainder  of  this
Agreement,  or  the application of such provision to  persons  or
circumstances other than those as to which it is held invalid  or
unenforceable,  shall  not  be affected  by  such  invalidity  or
unenforceability,  unless such provision or such  application  of
such provision is essential to this Agreement.

     23.   Notices.  All notices or other communications required
or permitted to be given to a party to this Agreement shall be in
writing  and  shall  be personally delivered, sent  by  certified
mail,  postage prepaid, return receipt requested, or sent  by  an
overnight   express   courier  service  that   provides   written
confirmation  of delivery, to such party at its  address  as  set
forth  above  in  the introductory Paragraph of  this  Agreement.
Each  such  notice or other communication shall be deemed  given,
delivered and received upon its actual receipt, except that if it
is  sent by mail in accordance with this Paragraph, then it shall
be deemed given, delivered and received three days after the date
such  notice or other communication is deposited with the  United
States  Postal  Service in accordance with this  Paragraph.   Any
party  to  this  Agreement may give a notice of a change  of  its
address    to   the   other   party(ies)   to   this   Agreement.

     
     24.  Drafting Ambiguities.  Each party to this Agreement has
reviewed and revised this Agreement.  Each party to this
Agreement has had the opportunity to have such party's legal
counsel review and revise this Agreement.  The rule of
construction that any ambiguities are to be resolved against the
drafting party shall not be employed in the interpretation of
this Agreement or of any amendments or exhibits to this
Agreement.

     


ENERDYNE TECHNOLOGIES, INC., a California corporation



By:  /S/ JON GILBERT



/s/ IRENE SHINSATO
Irene Shinsato
                                

                               
EXHIBIT  10.2 (b)

THE SECURITY REPRESENTED BY THIS OPTION AGREEMENT HAS BEEN
ACQUIRED FOR INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION
WITH, THE SALE OR DISTRIBUTION THEREOF.  NO SUCH SALE OR
DISPOSITION MAY BE EFFECTED WITHOUT AN EFFECTIVE REGISTRATION
STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL SATISFACTORY
TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED.



                         BOATRACS, INC.

               NONSTATUTORY STOCK OPTION AGREEMENT
                                


     THIS NONSTATUTORY STOCK OPTION AGREEMENT (the "Option
Agreement") is made and entered into as of July 7, 1998, by and
between Boatracs, Inc. (the "Company") and Irene Shinsato (the
"Optionee").

     As partial consideration to Optionee under the Employment
Agreement, the Company has granted to the Optionee an option to
purchase certain shares of Stock upon the terms and conditions
set forth in this Option Agreement (the "Option").

     1.   Definitions and Construction.

          1.1. Definitions.  Whenever used herein, the following terms
shall have their respective meanings set forth below:

               (a)  "Board" means the Board of Directors of the Company.

               (b)  "Company" means Boatracs, Inc., a California corporation, or
any successor corporation thereto.

               (c)  "Date of Option Grant" means July 7, 1998.

               (d)  "Disability" shall mean permanent and total disability
within the meaning of Section 422(c)(6) of the Internal Revenue
Code of 1986, as amended, and applicable regulations thereunder.

               (e)  "Employment Agreement" shall mean Optionee's Employment
Agreement dated July 7, 1998 with the Participating Company
Group.

               (f)  "Exercise Price" means $2.00 per share of Stock, as adjusted
from time to time pursuant to Section 9.

               (g)  "Initial Exercise Date" means the first anniversary of the
Date of Option Grant.

               (h)  "Initial Vesting Date" means the first anniversary of the
Date of Option Grant.

               (i)  "Number of Option Shares" means 500,000 shares of Stock, as
adjusted from time to time pursuant to Section 9.

               (j)  "Option Expiration Date" means the date four years after the
Date of Option Grant.

               (k)  "Participating Company Group" means the Company, Enerdyne
Technologies, Inc. and/or any other affiliate of the Company.

               (l)  "Securities Act" means the Securities Act of 1933, as
amended.

               (m)  "Service" means the Optionee's employment or service with
the Participating Company Group as detailed in the Employment
Agreement.  Optionee's Service shall not be deemed to have
terminated merely because of a change in the capacity in which
the Optionee renders Service to the Participating Company Group
or a change in the entity within the Participating Company Group
for which the Optionee renders such Service, provided that there
is no interruption or termination of the Optionee's Service.

               (n)  "Stock" means the Common Stock of the Company.

               (o)  "Vested Percentage" means, on any relevant date, the
percentage determined as follows (subject to Sections 7.1(a) and
7.1(b)):

                                                  Vested Percentage
                                                  
               Prior to Initial Vesting                   0%
               Date
                                                         
               On Initial Vesting Date                    100%
               

          1.2. Construction.  Captions and titles contained herein are for
convenience only and shall not affect the meaning or
interpretation of any provision of this Option Agreement.  Except
when otherwise indicated by the context, the singular shall
include the plural, the plural shall include the singular, and
the term "or" shall include the conjunctive as well as the
disjunctive.

     2.   Tax Consequences.  The Holder acknowledges that tax filings
related hereto are the sole responsibility of the Holder.  The
Holder should consult with the Holder's own tax advisor regarding
the tax effects of this Option.

     3.   Administration.  All questions of interpretation concerning
this Option Agreement shall be determined by the Board, including
any duly appointed Committee of the Board.  Unless otherwise
determined by a court of law, all determinations by the Board
shall be final and binding upon all persons having an interest in
the Option.  Any officer of Company shall have the authority to
act on behalf of the Company with respect to any matter, right,
obligation, or election which is the responsibility of or which
is allocated to the Company herein, provided the officer has
apparent authority with respect to such matter, right,
obligation, or election.

     4.   Exercise of the Option.

          4.1. Right to Exercise.  Except as otherwise provided herein, the
Option shall be exercisable on or after the Initial Exercise Date
and prior to the termination of the Option (as provided in
Section 6) in an amount not to exceed the Number of Option Shares
multiplied by the Vested Percentage less the number of shares
previously acquired upon exercise of the Option. In no event
shall the Option be exercisable for more shares than the Number
of Option Shares.

          4.2. Method of Exercise.  Exercise of the Option shall be by
written notice to the Company which must state the election to
exercise the Option, the number of whole shares of Stock for
which the Option is being exercised and such other
representations and agreements as to the Optionee's investment
intent with respect to such shares as may be required pursuant to
the provisions of this Option Agreement.  The written notice must
be signed by the Optionee and must be delivered in person, by
certified or registered mail, return receipt requested, by
confirmed facsimile transmission, or by such other means as the
Company may permit, to the Chief Financial Officer of the
Company, prior to the termination of the Option as set forth in
Section 6, accompanied by full payment of the aggregate Exercise
Price for the number of shares of Stock being purchased, or
pursuant to the provisions of Section 4.4 below.  The Option
shall be deemed to be exercised upon receipt by the Company of
such written notice and the aggregate Exercise Price.

          4.3. Payment of Exercise Price.  Payment of the aggregate
Exercise Price for the number of shares of Stock for which the
Option is being exercised shall be made in cash, by check, or
cash equivalent, or pursuant to the provisions of Section 4.4
below.

          4.4. Net Issue Exercise.  Notwithstanding any provisions herein
to the contrary, so long as and to the extent that this Option
may be exercised,  in lieu of exercising the Option for cash the
Optionee may elect to receive shares of Stock equal to the value
(as determined below) of this Option (or the portion thereof
being exercised).  The Optionee may make the election described
in this Section 4.4 by surrendering this Option Agreement,
delivering a notice of election under this provision and
providing such other documents as are referenced in Section 4.2,
following the procedures set forth in such section.  In such
event the Company shall issue to the Optionee (a) within thirty
(30) days an amended or amended and restated Option Agreement
substantially in the form hereof representing the number of
Option Shares with respect to which this Option shall not then
have been exercised and (b) a number of shares of  Stock computed
using the following formula:

                  Y (A-B)                                                     =
              X = -------
                     A

        Where X = the number of shares of Stock to be issued to the Holder
              Y =the number of shares of  Stock vested under the
              Option or, if only a portion of the Option is being
              exercised, the portion of the vested Option being
              exercised (at the date of such calculation),
              A =the fair market value of one share of the Company's
                 Stock (at the date of such calculation), and
              B =the Exercise Price.

               For purposes of the above calculation, fair market
value of one share of Stock shall be determined by the Board in
good faith; provided, however, that where there exists a public
market for the Company's Stock at the time of such exercise, fair
market value shall mean the average over the preceding ten
trading days (or such fewer number of days as such public market
has existed) of the mean of the closing bid and asked prices on
the over-the-counter market as reported by the National
Association of Securities Dealers Automated Quotation ("Nasdaq")
system, or if the Stock is then traded on a national securities
exchange or the Nasdaq Stock Market, the average over the
preceding ten trading days (or such fewer number of days as the
Stock has been so traded) of the closing sale prices on the
principal national securities exchange or the Nasdaq market on
which it is so traded.

          4.5. Tax Withholding.  At the time the Option is exercised, in
whole or in part, or at any time thereafter as requested by the
Company, the Optionee hereby authorizes withholding from payroll
and any other amounts payable to the Optionee, and otherwise
agrees to make adequate provision for (including by means of a
cashless exercise to the extent permitted by the Company), any
sums required to satisfy the federal, state, local and foreign
tax withholding obligations of the Participating Company Group,
if any, which arise in connection with the Option, including,
without limitation, obligations arising upon (i) the exercise, in
whole or in part, of the Option, (ii) the transfer, in whole or
in part, of any shares acquired upon exercise of the Option,
(iii) the operation of any law or regulation providing for the
imputation of interest, or (iv) the lapsing of any restriction
with respect to any shares acquired upon exercise of the Option.
The Optionee is cautioned that the Option is not exercisable
unless the tax withholding obligations of the Participating
Company Group are satisfied.  Accordingly, the Optionee may not
be able to exercise the Option when desired even though the
Option is vested, and the Company shall have no obligation to
issue a certificate for such shares until any such obligations
are satisfied.

          4.6. Certificate Registration.  The certificate for the shares as
to which the Option is exercised shall be registered in the name
of the Optionee, or, if applicable, in the names of the
transferee, assignee or heirs of the Optionee.

          4.7. Restrictions on Grant of the Option and Issuance of Shares.
The grant of the Option and the issuance of shares of Stock upon
exercise of the Option shall be subject to compliance with all
applicable requirements of federal, state or foreign law with
respect to such securities.  The Option may not be exercised if
the issuance of shares of Stock upon exercise would constitute a
violation of any applicable federal, state or foreign securities
laws or other law or regulations or the requirements of any stock
exchange or market system upon which the Stock may then be
listed.  In addition, the Option may not be exercised unless
(i) a registration statement under the Securities Act shall at
the time of exercise of the Option be in effect with respect to
the shares issuable upon exercise of the Option or (ii) in the
opinion of legal counsel to the Company, the shares issuable upon
exercise of the Option may be issued in accordance with the terms
of an applicable exemption from the registration requirements of
the Securities Act.  In the event at the Option Expiration Date
such registration statement is required (including for a net
issue exercise) and is not then in effect, the term of this
option shall be extended for 10 days after such registration
statement is declared effective or not otherwise required.  THE
OPTIONEE IS CAUTIONED THAT THE OPTION MAY NOT BE EXERCISED UNLESS
THE FOREGOING CONDITIONS ARE SATISFIED.  ACCORDINGLY, THE
OPTIONEE MAY NOT BE ABLE TO EXERCISE THE OPTION WHEN DESIRED EVEN
THOUGH THE OPTION IS VESTED.  Questions concerning this
restriction should be directed to the Chief Financial Officer of
the Company.  The inability of the Company to obtain from any
regulatory body having jurisdiction the authority, if any, deemed
by the Company's legal counsel to be necessary to the lawful
issuance and sale of any shares subject to the Option shall
relieve the Company of any liability in respect of the failure to
issue or sell such shares as to which such requisite authority
shall not have been obtained.  As a condition to the exercise of
the Option, the Company may require the Optionee to satisfy any
qualifications that may be necessary or appropriate, to evidence
compliance with any applicable law or regulation and to make any
representation or warranty with respect thereto as may be
requested by the Company.

          4.8. Fractional Shares.  The Company shall not be required to
issue fractional shares upon the exercise of the Option but in
lieu of such fractional shares the Company shall make a cash
payment therefor upon the basis of the fair market value per
share of Stock as of the date of exercise.

     5.   Nontransferability of the Option.  The Option may be
exercised only by the Optionee or the Optionee's guardian or
legal representative.  The Option may not be assigned or
transferred in any manner except with the prior written consent
of the Company and the prior delivery by the assignee or
transferee of a written agreement in a form acceptable to the
Company in its sole discretion that such assignee or transferee
will abide by such restrictions regarding the Stock as apply to
the Optionee.  Following the death of the Optionee, the Option,
to the extent provided in Section 7, may be exercised by the
Optionee's legal representative or by any person empowered to do
so under the deceased Optionee's will or under the then
applicable laws of descent and distribution.

     6.   Termination of the Option.  The Option shall terminate and
may no longer be exercised on the first to occur of the Option
Expiration Date or a Transfer of Control to the extent provided
in Section 8.

     7.   Effect of Termination of Service.

          7.1. Option Exercisability.

               (a)  Disability.  If the Optionee's Service with the
Participating Company Group is terminated because of the
Disability of the Optionee, (i) a fraction (no greater than 1/1)
of the Option shall vest equal to the number of months of
Optionee's service under Optionee's Employment Agreement prior to
such termination divided by the number of months of the term of
Optionee's Employment Agreement and (ii) the Option, to the
extent unexercised and vested on the date on which the Optionee's
Service terminated, may be exercised by the Optionee (or the
Optionee's guardian or legal representative) at any time prior to
the Option Expiration Date.

               (b)  Death.  If the Optionee's Service with the Participating
Company Group is terminated because of the death of the Optionee,
(i) a fraction (no greater than 1/1) of the Option shall vest
equal to the number of months of Optionee's service under
Optionee's Employment Agreement prior to such termination divided
by the number of months of the term of Optionee's Employment
Agreement and (ii) the Option, to the extent unexercised and
vested on the date on which the Optionee's Service terminated,
may be exercised by the Optionee (or the Optionee's legal
representative or other person who acquired the right to exercise
the Option by reason of the Optionee's death) at any time prior
to the Option Expiration Date.

               (c)  Termination of Employment by the Company. If the Optionee's
Service with the Participating Company Group is terminated by the
Participating Company Group for "cause" (as defined herein), the
Option may only be exercised to the extent that it is unexercised
and vested on the date of such termination.  Notwithstanding
anything to the contrary herein or in Section 1.1(o), if the
Optionee's Service with the Participating Company Group is
terminated by the Participating Company Group for any reason
other than for "cause," the Option, to the extent unexercised,
will become fully vested on the date on which Optionee's Service
terminated.  For purposes of this Agreement, termination for
"cause" shall be limited to the occurrence of any of the
following events, and may be effected only upon delivery of
written notice to Optionee specifying the cause or causes relied
upon for such termination:

          i.    Optionee's failure (after notice and a reasonable
opportunity  to cure) to devote substantially all  of  Optionee's
business energies, interest, abilities and productive time during
regular business hours to the proper and efficient performance of
Optionee's duties as President.  The foregoing shall not preclude
Optionee   from  engaging  in  civic,  charitable  or   religious
activities,  or from serving on boards of directors of  companies
or  organizations  which do not present any  direct  conflict  of
interest with the Participating Company Group, provided that time
devoted to such activities during business hours shall not exceed
3  hours  per  month without the consent of the  Company's  Chief
Executive Officer;

          ii.  Optionee's engaging or in any manner participating
in any activity which is knowingly injurious to the Participating
Company  Group,  provided that the same  has  not  been  remedied
within  three  days after notice of such violation  is  given  to
Optionee by the Participating Company Group; and

          iii. Optionee's conviction of a felony involving
dishonesty or moral turpitude.

               (d)  Termination of Employment by the Optionee.   If the Optionee
voluntarily terminates Optionee's Service with the Participating
Company Group, the Option may only be exercised to the extent
that it is unexercised and vested on the date of such
termination.  Notwithstanding anything to the contrary herein or
in Section 1.1(o), if the Optionee's Service with the
Participating Company Group is terminated by the Optionee for
"sufficient reason" (as defined herein), the Option, to the
extent unexercised, will become fully vested on the date on which
Optionee's Service terminated.  For purposes of this Agreement,
the following grounds constitute "sufficient reason" if
termination by the Optionee is effected within 180 days following
the occurrence any one or more of the following events:

          i.     The   assignment  to  Optionee  of  any   duties
materially  inconsistent with Optionee's status as  President  of
the  Participating Company Group or the reduction  of  Optionee's
authority as provided under Optionee's Employment Agreement  with
the Participating Company Group;

          ii.   The  reduction by the Company in Optionee's  base
salary  or as the same may be increased from time to time, except
for  across-the-board salary reductions approved by the Board  of
Directors  of  the  Company  similarly affecting  all  management
personnel of the Company; and

           iii. A change in the place of the Optionee's principal
employment  by  more than 35 miles from the Optionee's  place  of
principal employment as of the Date of Option Grant.

          7.2. Leave of Absence.  For purposes of Section 7.1, the
Optionee's Service with the Participating Company Group shall not
be deemed to terminate if the Optionee takes any military leave,
sick leave, or other bona fide leave of absence approved by the
Company of ninety (90) days or less.  In the event of a leave of
absence in excess of ninety (90) days, the Optionee's Service
shall be deemed to terminate on the ninety-first (91st) day of
such leave unless the Optionee's right to reemployment with the
Participating Company Group remains guaranteed by statute or
contract.  Notwithstanding the foregoing, unless otherwise
designated by the Company (or required by law), a leave of
absence shall not be treated as Service for purposes of
determining the Optionee's Vested Percentage.

     8.   Transfer of Control.

          8.1. Definitions.

               (a)  An "Ownership Change Event" shall be deemed to have occurred
if any of the following occurs with respect to the Company:

                    (i)  the direct or indirect sale or exchange in a single or
series of related transactions by the shareholders of the Company
of more than fifty percent (50%) of the voting stock of the
Company;

                    (ii) a merger or consolidation in which the Company is a 
party;

                    (iii) the sale, exchange, or transfer of all or
 substantially all of the assets of the Company; or

                    (iv) a liquidation or dissolution of the Company.

               (b)  A "Transfer of Control" shall mean an Ownership Change Event
or a series of related Ownership Change Events (collectively, the
"Transaction") wherein the shareholders of the Company
immediately before the Transaction do not retain immediately
after the Transaction, in substantially the same proportions as
their ownership of shares of the Company's voting stock
immediately before the Transaction, direct or indirect beneficial
ownership of more than fifty percent (50%) of the total combined
voting power of the outstanding voting stock of the Company or
the corporation or corporations to which the assets of the
Company were transferred (the "Transferee Corporation(s)"), as
the case may be.  For purposes of the preceding sentence,
indirect beneficial ownership shall include, without limitation,
an interest resulting from ownership of the voting stock of one
or more corporations which, as a result of the Transaction, own
the Company or the Transferee Corporation(s), as the case may be,
either directly or through one or more subsidiary corporations.
The Board shall have the right to determine whether multiple
sales or exchanges of the voting stock of the Company or multiple
Ownership Change Events are related, and its determination shall
be final, binding and conclusive.

          8.2. Effect of Transfer of Control on Option.  In the event of a
Transfer of Control, the Vested Percentage shall be adjusted to
100% (if not already at that percentage) ten days prior to the
Transfer of Control.  In the event of a Transfer of Control, the
surviving, continuing, successor, or purchasing corporation or
parent corporation thereof, as the case may be (the "Acquiring
Corporation"), may either assume the Company's rights and
obligations under the Option or substitute for the Option a
substantially equivalent option for the Acquiring Corporation's
stock.  The Option shall terminate and cease to be outstanding
effective as of the date of the Transfer of Control to the extent
that the Option is neither assumed or substituted for by the
Acquiring Corporation in connection with the Transfer of Control
nor exercised as of the date of the Transfer of Control; provided
that the Optionee has received notice of the Transfer of Control
15 days in advance of the effective date.  Furthermore,
notwithstanding the foregoing, if the corporation the stock of
which is subject to the Option immediately prior to an Ownership
Change Event described in Section 8.1(a)(i) constituting a
Transfer of Control is the surviving or continuing corporation
and immediately after such Ownership Change Event less than fifty
percent (50%) of the total combined voting power of its voting
stock is held by another corporation or by other corporations
that are members of an affiliated group within the meaning of
Section 1504(a) of the Code without regard to the provisions of
Section 1504(b) of the Code, the Option shall not terminate
unless the Board otherwise provides in its sole discretion.

     9.   Adjustments for Changes in Capital Structure.  In the event
of any stock dividend, stock split, reverse stock split,
recapitalization, combination, reclassification, or similar
change in the capital structure of the Company, appropriate
adjustments shall be made in the number, Exercise Price and class
of shares of stock subject to the Option.  If a majority of the
shares which are of the same class as the shares that are subject
to the Option are exchanged for, converted into, or otherwise
become (whether or not pursuant to an Ownership Change Event)
shares of another corporation (the "New Shares"), the Board may
unilaterally amend the Option to provide that the Option is
exercisable for New Shares.  In the event of any such amendment,
the Number of Option Shares and the Exercise Price shall be
adjusted in a fair and equitable manner, as determined by the
Board, in its sole discretion.  Notwithstanding the foregoing,
any fractional share resulting from an adjustment pursuant to
this Section 9 shall be rounded up or down to the nearest whole
number, as determined by the Board, and in no event may the
Exercise Price be decreased to an amount less than the par value,
if any, of the stock subject to the Option.  Unless otherwise
determined by a court of law, the adjustments determined by the
Board pursuant to this Section 9 shall be final, binding and
conclusive.

     10.  Rights as a Shareholder, Employee or Consultant.  The
Optionee shall have no rights as a shareholder with respect to
any shares covered by the Option until the date of the issuance
of a certificate for the shares for which the Option has been
exercised (as evidenced by the appropriate entry on the books of
the Company or of a duly authorized transfer agent of the
Company).  No adjustment shall be made for dividends,
distributions or other rights for which the record date is prior
to the date such certificate is issued, except as provided in
Section 9.  Nothing in this Option Agreement shall confer upon
the Optionee any right to continue in the Service of a
Participating Company or interfere in any way with any right of
the Participating Company Group or its shareholders to terminate
the Optionee's Service in accordance with the Employment
Agreement.

     11.  Legends.  The Company may at any time place legends
referencing any applicable federal, state or foreign securities
law restrictions on all certificates representing shares of stock
subject to the provisions of this Option Agreement.  The Optionee
shall, at the request of the Company, promptly present to the
Company any and all certificates representing shares acquired
pursuant to the Option in the possession of the Optionee in order
to carry out the provisions of this Section.  Unless otherwise
specified by the Company, legends placed on such certificates may
include, but shall not be limited to, the following:

          11.1.     "THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT
BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND
MAY NOT BE SOLD, TRANSFERRED, ASSIGNED OR HYPOTHECATED UNLESS
THERE IS AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT
COVERING SUCH SECURITIES, THE SALE IS MADE IN ACCORDANCE WITH
RULE 144 OR RULE 701 UNDER THE ACT, OR THE COMPANY RECEIVES AN
OPINION OF COUNSEL FOR THE HOLDER OF THESE SECURITIES REASONABLY
SATISFACTORY TO THE COMPANY, STATING THAT SUCH SALE, TRANSFER,
ASSIGNMENT OR HYPOTHECATION IS EXEMPT FROM THE REGISTRATION AND
PROSPECTUS DELIVERY REQUIREMENTS OF SUCH ACT."

          11.2.     Any legend required to be placed thereon by the
Commissioner of Corporations of the State of California.

     12.  Binding Effect.  Subject to the restrictions on transfer set
forth herein, this Option Agreement shall inure to the benefit of
and be binding upon the parties hereto and their respective
heirs, executors, administrators, successors and assigns.

     13.  Amendment.  The Board may amend the Option at any time;
provided, however, that except as provided in Section 8.2 in
connection with a Transfer of Control, no such amendment may
adversely affect the Option or any unexercised portion hereof
without the consent of the Optionee unless such amendment is
necessary to comply with any applicable law or government
regulation.  No amendment or addition to this Option Agreement
shall be effective unless in writing.

     14.  Integrated Agreement.  This Option Agreement constitutes the
entire understanding and agreement of the Optionee and the
Participating Company Group with respect to the subject matter
contained herein, and there are no agreements, understandings,
restrictions, representations, or warranties among the Optionee
and the Participating Company Group with respect to such subject
matter other than those as set forth or provided for herein or
therein.  To the extent contemplated herein or therein, the
provisions of this Option Agreement shall survive any exercise of
the Option and shall remain in full force and effect.  Nothing in
this Agreement shall modify the terms of the Employment Agreement
or affect any right which the Company may have to terminate the
employment of the Optionee.

     15.  Applicable Law.  This Option Agreement shall be governed by
the laws of the State of California as such laws are applied to
agreements between California residents entered into and to be
performed entirely within the State of California without regard
to the choice of law provisions in such state.


                              BOATRACS, INC.



                              By: /S/ MICHAEL SILVERMAN


                              Title: CHAIRMAN

     The Optionee represents that the Optionee is familiar with
the terms and provisions of this Option Agreement and hereby
accepts the Option subject to all of the terms and provisions
thereof.  The Optionee hereby agrees to accept as binding,
conclusive and final all decisions or interpretations of the
Board upon any questions arising under this Option Agreement.



                                         OPTIONEE

 Date:     JULY 7, 1998                  /s/ IRENE SHINSATO






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