Hi,
I also have an HTC HD2 and I actually face similar issues in mountainbike.
- Can you indicate your settings as regards screesaver?
- Have installed any application like S2U2 etc.
GPS signal OK but Run.GPS recorded some crazy values
Please look at this recording, http://www.gps-sport.net/trainings/hiking_246065, best viewed with the new training simulator, fast forward to 1:00:00 and then look what happens in the next 15 minutes.
First the signal is good, DPOD is OK, and all of a sudden, there is a straight line recorded and a few minutes I fall to sea level, but I was on 2500 meters!
Could this somehow be related to the problems reported with the HD2? I was running version 2.3.6 build 1950.