Appendix D: SeaTalk and NMEA Data
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Appendix D: SeaTalk and NMEA Data
The following table defines the data received on the NMEA/SeaTalk ports.
Data sources are listed in order of priority except where indicated.
* If Magnetic Heading is not available, the True Heading and Variation (if available) are used to
generate the magnetic heading.
Data Received
Source
Position (LAT/LON)
SeaTalk, GGA, RMC, RMA, GLL
Position (Loran C TD’s)
GLC, RMA, GTD
Speed and Course Over Ground
SeaTalk, RMC, RMA, VTG
Waypoint Data
SeaTalk, RMB, APB, BWC, BWR, RMB, XTE
Depth
SeaTalk, DBT, DPT
Apparent Wind Angle and Speed
SeaTalk, MWV (relative)
Boat Speed Through Water
SeaTalk, VHW
Total Log and Trip Log
SeaTalk, VLW
Water Temperature
SeaTalk, MTW
Average Boat Speed through the Water
SeaTalk only
Heading
HDG, HDM, HDT, VHW, SeaTalk,
Locked Heading
SeaTalk only (Autopilot / Steering Compass)
Magnetic Variation
SeaTalk, RMC, RMA, HDG
Rudder Angle (not displayed)
SeaTalk only
Time (No priority)
SeaTalk, ZDA, GGA, RMC, GLL, BWC, BWR
Date
SeaTalk, ZDA, RMC
MOB data
SeaTalk only
Autopilot Status (Standby / Auto / Vane / Track)
SeaTalk only
Cursor Range and Bearing (from Chartplotter)
Cursor Range and Bearing (from Radar)
SeaTalk only
SeaTalk, RSD
Global Alarms - Watch alarm, Wind alarm,
Autopilot alarms, Depth alarms.
Waypoint arrival
SeaTalk Only
SeaTalk, RMB, APB
Waypoint/Route Transfer
SeaTalk, WPL, RTE
Содержание hsb2 PLUS
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