Hey everyone. I'm a complete Android newb but computer poweruser, so I found this site based on experience with StackOverflow, ServerFault, etc. Go easy on me please. :)

I just got an LG Optimus U with US Cellular. In the pull-down menu I have GPS enabled (the satellite-looking thing with the beams), but when I open Google Maps and click the compass button, it says "Waiting for location" for a while and then says my location is temporarily unavailable.

Can anyone give me some recommendations on other things to check?