LOWRANCE ELECTRONICS INC
AMENDMENT TO EMPLOYEE AGREEMENT-BOBBY G CALLAWAY
<DOCUMENT>
<TYPE>EX-10.51
<SEQUENCE>10
<FILENAME>d15373exv10w51.txt
<DESCRIPTION>AMENDMENT TO EMPLOYEE AGREEMENT-BOBBY G CALLAWAY
<TEXT>
<PAGE>

                                                                   Exhibit 10.51

                                 AMENDMENT NO. 1
                                       TO
                              EMPLOYMENT AGREEMENT

         This Amendment No. 1 to Employment Agreement ("Agreement") is entered
into between LOWRANCE ELECTRONICS, INC., a Delaware corporation having offices
at 12000 East Skelly Drive, Tulsa, Oklahoma 74128 ("Employer" or "Company"), and
Bobby G. Callaway, an individual currently residing at 23405 S. 289th W. Ave.,
Bristow, Oklahoma 74010-3270 ("Employee"), to be effective as of March 27, 2004.

         In consideration of the mutual promises, covenants, and obligations
contained herein, the parties agree as follows:

         1. RECITALS.

                  (a) Employer and Employee entered into a certain Employment
Agreement (the "Employment Agreement") dated as of March 27, 2000 (the
"Effective Date"). Capitalized terms used but not defined herein shall have the
meanings ascribed to them in the Employment Agreement.

                  (b) The Initial Term of the Employment Agreement ended on
March 27, 2002, without either party having provided the other party with
written notice of termination.

                  (c) The Renewal Term of the Employment Agreement automatically
began on March 27, 2002, and will expire on March 27, 2004.

                  (d) Employer and Employee desire to enter into this Agreement
to extend the Renewal Term of the Employment Agreement for one (1) additional
year.

         2. AMENDMENT. The definition of "Renewal Term", as such term is used in
Exhibit A to the Employment Agreement, is hereby amended to mean the period
commencing on the expiration of the Initial Term and terminating on March 27,
2005. For purposes of the Employment Agreement, "Term" shall mean the period
commencing on the Effective Date and terminating upon the expiration of the
Renewal Term, as amended herein.

         IN WITNESS WHEREOF, Employer and Employee have duly executed this
Agreement in multiple originals to be effective on the date first written above.

LOWRANCE ELECTRONICS, INC.                    EMPLOYEE

By: ________________________________          ______________________________
    Darrell J. Lowrance, President            Bobby G. Callaway

This ____ day of ___________, 2004.           This ____ day of __________, 2004.

</TEXT>
</DOCUMENT>
