9
Appendix B. NMEA Message
Formats
B.1 Quadro System with Concentrator Only (No Brain Box)
Quadro Display Function
NMEA Input Sentence
Boat speed
$IIVHW
Trip distance
$IIVLW
Total distance
$IIVLW
Sea temperature
$IIMTW
Depth
$IIDBT
Apparent wind speed
$IIVWR, $IIMVW
Apparent wind angle
$IIVWR, $IIMVW
True wind speed
$IIVWT
True wind angle
$IIVWT
Wind direction
$IIMWD
VMG wind
$IIVPW
VMG waypoint
$IIWCV
Magnetic heading
$IIHDM, $IIVHW
NOTE: When the Concentrator is the QNS Master there is a 1.5 second delay between
power up and display self-test.
B.2 Quadro System - General
Quadro Display Function
NMEA Input Sentence
Speed over ground
$aaVTG, $aaRMC, $aaRMA
Course over ground (magnetic)
$aaVTG, $aaRMC, $aaRMA
Course over ground (true)
$aaVTG, $aaRMC, $aaRMA
Bearing to waypoint (magnetic)
$aaBWC, $aaBWR, $aaBWW,
$aaBOD, $aaAPB, $aaAPA
Bearing to waypoint (true)
$aaBWC, $aaBWR, $aaBWW,
$aaBOD, $aaAPB, $aaAPA, $aaRMB
Distance to waypoint
$aaBWC, $aaBWR, $aaRMB
Cross track
$aaXTE, $aaAPB, $aaAPA, $aaRMB
Drift speed
$aaVDR
Drift course
$aaVDR
Latitude, longitude
$aaGGA, $aaGLL, $aaRMC, $aaRMA
Distance to layline
$aaZDL
Time to layline
$aaZDL
Time of arrival
$aaZTG
