NMEA 2000 Wind direction NA values get incorrectly translated
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mairas commented
NA placeholders seem to be translated at face value to NMEA 0183:
$IIMWV,-57295779513.1,T,,M,A*38
$IIMWV,-57295779513.1,R,,M,A*3E
IPython validation:
In [3]: -57295779513.1/360.*(2*math.pi)
Out[3]: -1000000000.0003084
A log file is attached.