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Chapter 5: NMEA 0183 sentences
The following NMEA 0183 sentences are supported by the SPX 10, SPX 30 and SPX
SOLENOID SmartPilots.
The SPX 10, SPX 30 and SPX Solenoid computers have a single NMEA input/output to
receive and transmit information from NMEA equipment.
SmartPilot computer NMEA inputs
NMEA 0183
received
Information extracted
APB
cross track error, bearing to waypoint, waypoint number
BWC
BWR
bearing to waypoint, distance to waypoint, waypoint number,
time
GGA
GLL
latitude/longitude, time
HDG
HDM
HDT
heading
MWV
apparent wind angle, apparent wind speed
RMA
course over ground (COG), speed over ground (SOG), latitude/lon-
gitude, variation
RMB
cross track error, bearing to waypoint, distance to waypoint, way-
point number
RMC
course over ground (COG), speed over ground (SOG), latitude/lon-
gitude, time, variation
VHW
speed through water, heading
VTG
course over ground (COG), speed over ground (SOG)
XTE
cross track error
ZDA
time, date
SmartPilot computer NMEA outputs*
NMEA 0183 sent
Information sent
HDG
heading
RSA
rudder angle (only available if rudder reference option fitted)
87072-2.book Page 45 Thursday, November 22, 2007 8:43 AM
