Most people are seeing the same thing. It is likely a software issue.
If you limit yourself to just google maps and no other apps using GPS, it'll work better for now (obviously not a long term solution) but at least it'll make you feel better that GPS actually can work for long periods of time and there is probably nothing wrong with the hardware.[COLOR="Silver"]
Disclaimer: No touchscreens
were harmed nor injured during the creation of this post. GPS
units were all treated ethically and humanely.
Signed: People against misbehaving Nexus 7 2013s