If you carry it on your wrist, that may be part of the problem. Some of the signals are likely to be blocked by your body and swinging the unit back-and-forth degrades the signals.Remix said:I use a Garmin Forerunner 301. Its a GPS with heart rate monitor display, and the ability to upload everything to a PC if you like track your progress.
But the GPS altimeter is quite useless, drifting up to +/- 150 feet while stationary. It will fail to lock to GPS more frequently than a good handheld unit in the same conditions. And the unchangeable battery only lasts 14 hrs before it needs a charge.
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