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Old 17-06-2015, 07:18   #1
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Join Date: Feb 2013
Location: Santa Monica, CA
Boat: Club Sailor; various
Posts: 922
Garmin Handheld devices - GPS vs. Electronic Compass

So which is better for sailing?

It is my understanding that GPS only works while moving so the electronic compass is more accurate at slower speeds or when standing still (a drifter), but the electronic compass uses more battery power than the GPS function does.

When setting up the Compass function on the unit, what threshold speed do you set for the unit to switch from electronic compass to GPS and after how many minutes of slower than speed?

What is the battery life for GPS vs. Electronic Compass?

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compass, garmin, gps

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