EXHIBIT 10.4

                             AMENDMENT NUMBER EIGHT
                                     TO THE
                       HARRIS CORPORATION RETIREMENT PLAN

                  WHEREAS, Harris Corporation, a Delaware corporation (the
"Corporation"), has heretofore adopted and maintained the Harris Corporation
Retirement Plan, as amended and restated effective January 1, 2003 (the "Plan");

                  WHEREAS, the Corporation, by action of the Management
Development and Compensation Committee of the Corporation's Board of Directors
(the "Compensation Committee"), has the authority to amend the Plan pursuant to
Section 17.1 of the Plan;

                  WHEREAS, pursuant to Section 13.3 of the Plan, the
Compensation Committee has delegated to the Employee Benefits Committee of the
Corporation (the "Employee Benefits Committee") the authority to adopt
non-material amendments to the Plan; and

                  WHEREAS, the Corporation, by action of the Employee Benefits
Committee, desires to amend the Plan in certain non-material respects.

                  NOW, THEREFORE, BE IT RESOLVED, that pursuant to the power of
amendment in Section 17.1 of the Plan and the delegation of such power pursuant
to Section 13.3 of the Plan, the Plan is hereby amended, effective January 28,
2005, as follows:

         1.       Section 4.2 of the Plan is hereby amended by adding the
following new Subsection (c) to the end thereof, to read as follows:

                  (c) Special Encoda Matching Contribution. Notwithstanding any
provision of the Plan to the contrary, matching contributions for the period
from January 1, 2005 through June 30, 2005 to Participants who are Eligible
Employees of Encoda Systems Inc. shall be calculated as follows. Matching
contributions shall be in the amount specified in Subsection (a) of this Section
4.2; provided, however, that the matching contribution relating to pre-tax or
after-tax contributions that are attributable to the annual bonus that is paid
to such Eligible Employees in February of 2005 shall be in an amount equal to
twenty-five percent (25%) of such contributions; subject to a maximum of 1.25%
of such bonus (and also subject to any other limitations contained in the Plan).


         APPROVED by the HARRIS CORPORATION EMPLOYEE BENEFITS COMMITTEE on this
28th day of January, 2005.


                                              Attest:


                                              /s/ John D. Gronda
                                              ----------------------------------
                                              Secretary