Posted 6/17/2011 13:48 (#1822889 - in reply to #1822880) Subject: Re: Viper Pro Guidance
NE South Dakota Clark, SD
If you have an ITC, it will only output 5HZ, but you should be OK as long as you don't go too fast. If I rember right, 10 to 12 MPH is about al you can go with 5 Hz or the steering quality will suffer. If you have an SF3000, you are set. You will need GGA and VTG at 5 or 10 Hz and ZDA at .2 Hz.