On 11/23/2011 05:48 PM, david vanhorn wrote: ... > This is an old Trimble yellow thing, not Earthmate, but similar. Needed a > mod to run from 12V and has to hear "ASTRAL" before it will work. > > Ah yea - the 'ol' DeLorme Tripmate - use one myself on the motor sickle. Tad slowish by today's standards - but usually does a fine job. 73