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panaaj / nmeasimulator

NMEA Sentence Generator
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TWA not respect COG #28

Closed mirekther closed 3 years ago

mirekther commented 3 years ago

Hi, thank you for very good utility! I have one notice. It looks like TWA is send the same as Wind Direction in case True Wind Direction is less than 180 degrees. . $WIMWV,75.7,T,13.2,N,A20 $WIMWD,75.7,T,75.7,M,13.2,N,6.8,M64 $WIMWV,42.0,R,16.3,N,A*21 There is no influence of COG of the boat (COG should be subtracted somehow I believe) So the correct TWA is displayed if Boat is heading to the North only.  From my point of view will be nice to have possibility to switch TWA ($WIMWV,75.7,T) sentence off, because Navigation software should be able to calculate it itself.

Thank you very much for help. Mirek

panaaj commented 3 years ago

@mirekther Will remove TWA ($WIMWV,xx.x,T) sentence from output in the next release.

Only Wind Direction (TWD) e.g. '$WIMWD,299.3,T,299.3,M,9.2,N,4.7,M*52 and Relative Wind Angle e.g. $WIMWV,309.6,R,11.5,N,A*1A will be output.

panaaj commented 3 years ago

closed by v1.2.1