Appendix 1: NMEA 0183 sentences
The SPX-5 Wheel Course Computer supports the following NMEA0183 sentences.
NMEA0183 to Course Computer
Header
APB
BWC
BWR
GGA
GLL
HDG
HDM
HDT
MWV
RMA
RMB
RMC
VHW
VTG
XTE
ZDA
NMEA0183 from Course Computer
Header
HDG
RSA
* The computer will only transmit these items if it has received the appropriate data.
Data in
Cross track error, bearing to waypoint, waypoint number
Bearing to waypoint, distance to waypoint, waypoint number, time
Latitude/longitude, time
Heading
Apparent wind angle, apparent wind speed
Course over ground (COG), speed over ground (SOG), latitude/longi-
tude, variation
Cross track error, bearing to waypoint, distance to waypoint, waypoint
number
Course over ground (COG), speed over ground (SOG), latitude/longi-
tude, time, variation
Speed through water, heading
Course over ground (COG), speed over ground (SOG)
Cross track error
Time, date
Data out
Heading
Rudder angle. Available only if Rudder Reference option is fitted.
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