Learning to read pressure patterns is a handy skill to have, it's pretty basic really and let's you know when the weather is about to take a turn for the worse, most GPS's have a built in barometer, my old garmin 60csx does the trick for me.
Learning to read pressure patterns is a handy skill to have, it's pretty basic really and let's you know when the weather is about to take a turn for the worse, most GPS's have a built in barometer, my old garmin 60csx does the trick for me.
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