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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G AMENDMENT/A
Under the Securities Exchange Act of 1934
(Amendment No. )*
DATAMETRICS CORPORATION
(Name of Issuer)
Common Stock
(Title of Class of Securities)
238085104
(CUSIP Number)
5/7/99
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[x ] Rule 13d-1(b)
[ ] Rule 13d-1(b)
[ ] Rule 13d-1(b)
*The remainder of this cover page shall be filled out for a reporting
person's initial
filing on this form with respect to the
subject class of securities, and for any subsequent
amendment containing
information which would alter the disclosures
provided in a prior cover page.
The information required in the remainder of this cover page
shall not be
deemed to be "filed" for the purpose of Section
18 of the Securities Exchange Act of 1934 ("Act") or otherwise
subject to the
liabilities of that section of the Act but
shall be subject to all other provisions of the Act
(however, see the Notes).
CUSIP No. 238085104
1.
Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
Headwaters Capital, LLC 94-3349598
2.
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) x
(b)
3.
SEC Use Only
4.
Citizenship or Place of Organization San Francisco, CA
Number of
5. Sole Voting Power 1,500,000
Shares
Beneficially
6. Shared Voting Power
Owned By Each
Reporting
7. Sole Dispositive Power
Person With
8. Shared Dispositive Power
9.
Aggregate Amount Beneficially Owned by Each Reporting Person 1,500,000
10.
Check if the Aggregate Amount in Row (11) Excludes
Certain Shares (See Instructions)
11.
Percent of Class Represented by Amount in Row (11) 7.5%
12.
Type of Reporting Person (See Instructions)
PN
(..continued)