On Mar 2, 2005, at 10:51 AM, Scott Miller wrote: > The OpenTracker reports temperature just fine in APRS mode. Yep. My balloon mounted OT worked just fine right up to the point where the batteries froze (so much for lithiums rated to -40C; last TX I got was at 0C). Later in the flight when the batteries thawed it started up again. -Jason kg4wsv