I have a Garmin 2006 GPS as the back up to our Furuno Navnet 2. Last week when we left the dock, the pointer did not move and it had a red question mark flashing over it. In addition, the SOG and COG were blank. At first when I turn it on it shows no satellite but later seems to find something. I talked with Garmin tech... support and the conversation reminded me of going to an Apple store. You need a tech degree just to understand their helpful comments. I suspect that the antenna may be the problem but am surprised that it would have gone bad already. Any suggestions?
