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Old 07-10-2015, 20:02   #1
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Location: Brookings, Oregon
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NGW-1-USB to Seatalkng network

Is anyone using this configuration. I'm having trouble with True wind and true wind speed displaying in Opncpn. I know the information is available on the seatalkng network because it displays on my chart-plotter (raymarine chartplotter)
Also, if outputting autopilot "navigate to here" from opencpn, the autopilot does not recognize anything - no track available.
Thanks for any input
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Old 28-10-2015, 03:16   #2
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Location: Boston, MA
Boat: 1981 Bristol 32 Sloop
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Re: NGW-1-USB to Seatalkng network

I believe that Seatalk assume true wind will be calculated locally at the device with the other data that is available. However I do note that the seatalk to nmea specs available have a sentence that permits true T or apparent,.
I believe Big Tom is working on a version that does calc True when possible (data is available).
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