"Charlie Morgan" wrote in message
...
On 3 Oct 2006 08:08:58 -0700, "Capt. Rob" wrote:


Now...in this clip...GPS and knotmeter agreed on 7.4 knots.

Odd, since one measures "speed through the water" and the other
reports "Speed over ground"...

CWM

My navigation system measures velocity through absolute space. It even nulls
out ether drift.