On Mon, 25 Jan 1999 13:15:12 +0100, you wrote: >Hello listers does anyone know a good compass sensor i am looking for >one that is accurate >enough to control the auto pilot on an 40 meter ship >I was also looking for gps receivers found this: >But i wonder if any good compass info could be received by a gps >receiver. Yes, as long as you are moving - the bearing can be derived from the change in position, accuracy depends on the rate of movement with respect to SA and other errors. It certainly works real well in a car.