My GPS topped one day and I tried for weeks to get it to work (those numbers you posted look just like what I was getting). I did get some luck doing this :
http://nguyenxh.net/2008/12/13/htc-t...blem-with-gps/
I got a partial lock. Also, you could have the wrong info in the PDE settings (if you have been flashing. see this post
http://forum.ppcgeeks.com/showthread...light=bell+gps
Finally I took my phone in and they gave me a new unit. I told them the battery was getting so hot it could burn--they replaced it right away. hope this helps