FORM 8-K
                                 Current Report

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

                Date of Report (Date of earliest event reported):
                        March 28, 2003 (March 28, 2003)

                           Trimble Navigation Limited
             (Exact name of registrant as specified in its charter)

                                   California
                 (State or other jurisdiction of incorporation)

                                     0-18645
                            (Commission File Number)

                                   94-2802192
                             (IRS Employer I.D. No.)
                         645 N. Mary Ave. Sunnyvale, CA
                    (Address of principal executive offices)

                                      94088
                                   (Zip Code)
       Registrant's telephone number, including area code: (408) 481-8000








Item 5. Other Events.

     On March 28, 2003,  Trimble Navigation  Limited, a California  corporation,
announced that it has reached a definitive  agreement with Nikon  Corporation to
form a joint venture in Japan.  A copy of the press release dated March 28, 2003
relating to this  announcement  is attached as Exhibit 99.1 and is  incorporated
into this current report by reference.

Item 7.  Financial Statements and Exhibits.

(a)      Not applicable

(b)      Not applicable

(c)      Exhibits.
99.1 Text of Company Press Release dated March 28, 2003.








                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


                                                   TRIMBLE NAVIGATION LIMITED
                                                   a California corporation


         Dated: March 28, 2003                     /s/ Mary Ellen Genovese
                                                   -----------------------
                                                   Mary Ellen Genovese
                                                   Chief Financial Officer







                                  EXHIBIT INDEX
                           Exhibit Number Description

99.1 Text of Company Press Release dated March 28, 2003.