Richard B. Gilbert wrote: > With something like 27 NAVSTAR (GPS) satellites aloft, there should > almost always be seven or eight above the horizon. Satellites more than > ten degrees above the horizon are preferred! > > I've never used the GPS18LVC (I have a Motorola M12+T) but if you know > your exact location you only need one satellite to get the time. There > are four equations in four unknowns (lattitude, longitude, elevation, > and time).
ITYM latitude. > Not knowing any of these variables, you need four satellites. The Wikipedia article was an entertaining read. http://en.wikipedia.org/wiki/GPS#Calculating_positions _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
