Lately I'm having some weirdness with the navigation function on the Columbus unit in my car. It seems to be getting a poor satellite fix or none at all, but it's not defaulting to a location in Germany and only showing that. When driving it'll show a moving location on the map in a different part of the country, and behave as if it has a satellite fix there.   My guess is an antenna failure but I figured I'd throw it out here in case anyone else had seen a similar problem. I'll be sca