You may not have continuous GPS lock. The receiver will not usually get GPS signal in places like office buildings or metal aircraft hangars. Make sure that the receiver is mounted in a way that it has a clear view of the sky (satellites).
You may not have continuous GPS lock. The receiver will not usually get GPS signal in places like office buildings or metal aircraft hangars. Make sure that the receiver is mounted in a way that it has a clear view of the sky (satellites).