<PAGE>
-----------------------------------------------
------ OMB APPROVAL
FORM 3 OMB Number: 3235-0104
------ Expires December 31, 2001
Estimated average burden
hourse per response........................0.5
-----------------------------------------------
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section
17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the
Investment Company Act of 1940
(Print or Type Responses)
<TABLE>
<S> <C> <C>
----------------------------------------------------------------------------------------------------------------------------------
1. Name and Address of Reporting Person* 2. Date of Event Requiring 4. Issuer Name and Ticker or Trading Symbol
L-3 Communications Corporation Statement LogiMetrics, Inc. (LGMTA)
(Month/Day/Year)
------------------------------------------------
(Last) (First) (Middle) 07/11/00 ---------------- ------------------------------
--------------------------- 5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
600 Third Avenue 3. I.R.S. Identification [ ] Director [x] 10% Owner
------------------------------------------------ Number of Reporting [ ] Officer
(Street) Person, if an entity (give title below) [ ] Other
(voluntary) (specify below)
------------------------
New York, New York 10016
-----------------------------------------------
(City) (State) (Zip)
------------------------------------------------------------------------------------------------- -------------------------------
6. If Amendment, Date of
Original (Month/Day/Year)
-----------------------------------------------
7. Individual or Joint/Group
Filing (Check Applicable Line)
[x] Form filed by One Reporting Person
[ ] Form filed by More than One Reporting Person
-----------------------------------------------
</TABLE>
<TABLE>
<S> <C> <C> <C>
----------------------------------------------------------------------------------------------------------------------------------
TABLE I - NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED
----------------------------------------------------------------------------------------------------------------------------------
1. Title of Security 2. Amount of Securities 3. Ownership 4. Nature of Indirect Beneficial Ownership
(Instr. 4) Beneficially Owned Form: Direct (D) or (Instr. 5)
(Instr. 4) Indirect (I) (Instr. 5)
----------------------------------------------------------------------------------------------------------------------------------
Common Stock 93,236,794 (D)
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
</TABLE>
Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction
5(b)(v).
(Over
SEC 1472 (3-99(3-9)
POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED
IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY
VALID OMB CONTROL NUMBER.
<PAGE>
<TABLE>
<S> <C>
FORM 3 (CONTINUED)
TABLE II - DERIVATIVE SECURITIES BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)
</TABLE>
<TABLE>
<S> <C> <C>
------------------------------------------------------------------------------------------------------------------------
I. Title of Derivative Security 2. Date Exercisable and Expiration Date 3. Title and Amount of Securities
(Instr. 4) (Month/Day/Year) Underlying Derivative Security
(Instr. 4)
-----------------------------------------------------------------------------------
Date Exercisable Expiration Date Title Amount or
Number of Shares
------------------------------------------------------------------------------------------------------------------------
Right to Buy Common Stock 07/11/00 None Common up to
Stock 3,333,333
------------------------------------------------------------------------------------------------------------------------
Right to Buy Common Stock 07/11/00 07/10/10 Common up to
Stock 5,555,555
------------------------------------------------------------------------------------------------------------------------
Right to Buy Common Stock 07/11/00 07/10/10 Common up to
Stock 6,775,940
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<S> <C> <C>
------------------------------------------------------------------------------------------------------
4. Conversion or 5. Ownership Form of 6. Nature of Indirect
Exercise Derivative Security Beneficial Ownership
Price of Direct (D) or (Instr.5)
Derivative Indirect (I) (Instr. 5)
Security
------------------------------------------------------------------------------------------------------
$1.50 per (D)
share
------------------------------------------------------------------------------------------------------
$0.54 per (D)
share
------------------------------------------------------------------------------------------------------
$0.54 per (D)
share
------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------
</TABLE>
EXPLANATION OF RESPONSES:
* * Intentional misstatements or omissions of facts constitute Federal Criminal
Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
L-3 COMMUNICATIONS CORPORATION
By: /s/ Christopher C. Cambria
-----------------------------
Name: Christopher C. Cambria
Title: Vice President
7/20/00
----------------------------- -------
** Signature of Reporting Person Date
Note: File three copies of this Form, one of which must be manually signed. If
space is insufficient, See Instruction 6 for procedure.