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post #8 of Old 04-14-2018
KeelMe
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Re: GPS Speedo?

STW is great for set and drift and SOG is great for speed. If you really want to know how you are doing you need both.

You can anchor your boat in a river and STW will tell you your going 3-5 knots while SOG will read 0. Or you could be drifting down the river and STW will be 0 and SOG will be 3-5 knots.

If you are interested in how long it will take you to get from one point to another STW will not hep you.

Last edited by KeelMe; 04-20-2018 at 08:00 PM. Reason: missing letter
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