Filed by California Amplifier, Inc.
           Pursuant to Rule 425 under the Securities Act of 1933
                    Subject Company: Vytek Corporation


                  Registrant Commission File No. 0-12182


Following is a press release dated March 10, 2004 announcing the date of a
live audio webcast of management's discussion of the pending acquisition of
Vytek Corporation, as disclosed in the Registrant's Current Report on
Form 8-K filed on March 11, 2004.


FOR IMMEDIATE RELEASE:

           California Amplifier to Webcast Management Discussion of
                   Vytek Corporation Pending Acquisition


OXNARD, CA, March 10, 2004 - California Amplifier, Inc. (Nasdaq: CAMP)
announced today that it will provide a live audio webcast of management's
discussion of the pending acquisition of Vytek Corporation on Thursday,
March 18, 2004 at 1:30 p.m., Pacific Time.

The conference call can be accessed on either the Company's web site,
www.calamp.com, or on the web site www.prnewswire.com under the Multimedia
News section and will be accompanied by California Amplifier's slide
presentation.  Both links require listeners to install either RealPlayer or
Windows Media Player to access the event.  A replay of the audio broadcast
will be available for 14 days after completion of the call.

As previously announced, the Company will hold a special meeting on April 8,
2004 at 10:00 a.m. for stockholders of record as of the close of business on
March 8, 2004. At the meeting, California Amplifier shareholders will be
asked to vote to approve the issuance of approximately 8.3 million shares of
California Amplifier common stock to the holders of Vytek Corporation's
common stock, preferred stock, warrants and options, in connection with
California Amplifier's acquisition of Vytek.


About California Amplifier, Inc.

California Amplifier designs, manufactures and markets a broad line of
integrated microwave equipment used primarily in conjunction with satellite
television and terrestrial broadband wireless and video applications.  The
Company's Satellite business unit designs and markets outdoor reception
equipment for the U.S. Direct Broadcast Satellite (DBS) television market as
well as a full line of consumer and commercial products for video and data
reception.  The Wireless Access business unit designs and markets integrated
reception and two-way transmission fixed wireless equipment for broadband
data and video applications.  California Amplifier is an ISO 9001 certified
company. For additional information, visit California Amplifier's web site
at www.calamp.com.

For more information, contact:
       Crocker Coulson                    Rick Vitelle
       Partner                            Chief Financial Officer
       CCG Investor Relations             California Amplifier, Inc.
       (818) 789-0100                     (805) 987-9000, extension 8344
       crocker.coulson@ccgir.com


Additional Information About the Proposed Acquisition of Vytek Corporation
and Where to Find It:

On February 13, 2004, California Amplifier filed with the Securities and
Exchange Commission a preliminary registration statement on Form S-4 to
register the offer and sale of shares of its common stock in connection with
the proposed merger under the Securities Act of 1933, as amended.  The
preliminary registration statement contains a preliminary proxy statement
and other important information and stockholders of Vytek Corporation should
carefully read the registration statement and any amendments or supplements
thereto before making a decision with respect to the proposed merger.  A
definitive proxy statement will be sent to stockholders of California
Amplifier seeking their approval of the issuance of shares of its common
stock in connection with the proposed merger.  The proxy statement will
contain important information and stockholders of California Amplifier
should carefully read the proxy statement before making a decision with
respect to the issuance of shares in the proposed merger.  The officers and
directors of California Amplifier may be deemed to be participants in
connection with this solicitation of proxies.  Copies of the registration
statement and the proxy statement when filed may be obtained without charge
at the SEC's website at www.sec.gov.


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