8
Function and Operation
Data transmission for NMEA0183
Main Unit Output --MWV
$--MWV, x.x , a , x.x , a , A*hh<CR><LF>
1
2
3
4
5
6
1) Wind angle, 0 to 359 degrees
2) Reference, R = Relative, T = Ture
3) Wind Speed
4) Wind Speed Units, K=km/h / M=m/s / N=knots
5) Status, A = Data Valid, V = Data invalid
6) Checksum
GPS Data Input--RMC
$--RMC, hhmmss.ss,A,llll.ll,a,yyyyy.yy,a,x.x,x.x,xxxxxx,x.x,a,a*hh<CR><LF>
1
2
3
4
5
6 7 8
9 10
1) UTC Time
2) Status, A=Data valid, V = Navigation receiver warning
3) Latitude
，
N or S
4) Longitude
，
E or W
5) Speed over ground, knots
6) Course Over Ground, degrees true
7) Date
：
ddmmyy
8) Magnetic Variation, degrees
，
E or W
9) Mode Indicator
10) Checksum
