Re: Not quite
No, GPS can get away with only 3 satellites for a fix, but can’t give you altitude with just the 3. Four or more are needed for a full 3D fix.
http://www.gpsnuts.com/mygps/gps/technical/ed.htm
No, GPS can get away with only 3 satellites for a fix, but can’t give you altitude with just the 3. Four or more are needed for a full 3D fix.
http://www.gpsnuts.com/mygps/gps/technical/ed.htm