Appendix B: SeaTalk and NMEA Data

B-1

Appendix B: SeaTalk and NMEA Data

The following table defines the data received on the NMEA/SeaTalk ports. Data sources are listed in order of priority unless otherwise indicated.

Data Received

Source

 

 

Vessel Position (LAT/LON)

SeaTalk, GGA, RMC, RMA, GLL

 

 

Speed and Course Over Ground

SeaTalk, RMC, RMA, VTG

 

 

Waypoint Identifier

SeaTalk, RMB, APB, BWC, BWR

 

 

Bearing to Waypoint

SeaTalk, RMB, BWC, BWR

 

 

Distance to Waypoint

SeaTalk, RMB, BWC, BWR

 

 

Cross Track Error (XTE)

SeaTalk, RMB, XTE, APB

 

 

Depth

SeaTalk, DPT, DBT

 

 

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

 

 

Heading

SeaTalk, HDG, HDM, HDT, VHW

 

 

Locked Heading

SeaTalk only (Autopilot / Steering Compass)

 

 

Magnetic Variation

SeaTalk, RMC, RMA, HDG

 

 

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 Radar)

SeaTalk, RSD

 

 

Global Alarms - Watch alarm, Wind alarm, Autopi-

 

lot alarms, Radar alarms, Depth alarms.

SeaTalk Only

Waypoint arrival

SeaTalk, RMB, APB

 

 

Waypoint/Route Transfer

SeaTalk, WPL, RTE

Other Data: Datum (SeaTalk, DTM); Satellite Data (SeaTalk, GGA); GPS Data (SeaTalk, GGA); DGPS Data (SeaTalk, MSS, GGA); WAAS Data (SeaTalk)

* Bridged to SeaTalk (not displayed)

Note:If Magnetic Heading is not available, the True Heading and Variation (if available) are used to gener- ate the magnetic heading.

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Raymarine 300 manual Appendix B SeaTalk and Nmea Data, Data Received Source