Hi Bruce,

Thanks for all the information!

Just to make sure I understand this.. When you say "look at the way the
bearing data is generated" are you then refering to the GPS, in my case,
since I havnt installed a separate compass yet?

Regards
david


Bruce in Alaska wrote:
Look at the way the Bearing Data is generated, and look for missing
pulses in that system.

Bruce in alaska I know Old Chief Lynn has seen the above senerio....