3
This afternoon I tested an AmbiCom USB GPS and the cordinates were jumping all over. Most of them were at least 30 feet off. Anyone have any experience with any other brands/have any recommendations for a more accurate USB GPS unit?
3
This afternoon I tested an AmbiCom USB GPS and the cordinates were jumping all over. Most of them were at least 30 feet off. Anyone have any experience with any other brands/have any recommendations for a more accurate USB GPS unit?
2
Accuracy of GPS depends on many factors:
So don't expect a better accuracy.
1
A very quick read of the specs for the device indicates that GPS accuracy is 16 to 33 ft Approximately. What you have observed is exactly how the device works or for that matter most GPS devices.
2That's called "Jitter" (IIRC) and 30 feet (10 meters) is about as accurate as consumer level devices get... – Mark Henderson – 2009-12-11T01:03:06.817
if you want significantly better accuracy, join (or possibly contract for) the US military. – quack quixote – 2009-12-11T09:20:55.503