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Old 02-07-2019, 11:30 AM   #15
twistedtree
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City: Vermont
Join Date: Jan 2013
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Quote:
Originally Posted by Arthurc View Post
As TwistedTree said the WX has gps and heading, I can confirm it computes internally apparent wind speed, true speed, true direction, etc.
If interested I can grab a sniff of the actual pgn output this weekend. I’m not sure if it’s true or magnetic heading readings but fairly certain it’s magnetic.

I'd be interested in the actual PGNs. For example, does it send the Wind PGN three times, once each for Apparent, True, and Ground? And if it's sending True, where is it getting STW?
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