Apparent and true wind speed

I am still confused as to why Ratheon used Boat speed through the water rather than SOG, anyway as you said it made interesting reading.
Regards Mike Paget's Lady.
 
As did Navman, though as the wind accepts NMEA out of the log, there is no reason why I cannot feed it the NMEA SOG from the GPS.

Is the information on Ratheon in MNEA form? If so, could you feed it SOG from the GPS?

Maybe I will try it this winter when I am able to put another cable to the wind instrument, and then get the GPS to run in demo mode.

I'll also contact the makers in New Zealand to find out if it is acceptable - before I try it!

regards,
Philip
 
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