Posted 4/10/2008 16:22 (#354599 - in reply to #354238) Subject: Re: Viper (Old Style, Case IH Branded) and Trimble AP
You may want to verify the only messages being output from the Trimble are GGA and VTG at 5 Hz. and ZDA at 1 Hz. All other messages need to be off as it may bog the Viper processor down. This may be what is causing your issues.