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| ID | Description | Fields |
|---|---|---|
| DPT | Depth of Water | depth, offset |
| GGA | Global Positioning System Fix Data. Time, Position and fix related data | time, latitude, latitudeHem, longitude, longitudeHem, gpsQuality, numberOfSattelites, horizontalDilution, antennaAltitude, antennaAltUnits, geoidalSeparation, geoidalSepUnits, ageOfDgps, differentialRefId |
| GLL | Geographic Position – Latitude/Longitude | latitude, latitudeHem, longitude, longitudeHem, time, status |
| HDG | Heading - Deviation & Variation | heading, deviation, deviationDir, variation, variationDir |
| MTW | Water Temperature | degrees, unit |
| MWV | Wind Speed and Angle | angle, reference, speed, speedUnit, status |
| RMC | Recomended Minimum Navigation Information | time, status, latitude, latitudeHem, longitude, longitudeHem, speedOverGround, trackMadeGood, date, magneticVariation, magneticHem, signalIntegrity |
| RPM | Revolutions | source, number, speed, pitch, status |
| RSA | Rudder Sensor Angle | starboard, sbStatus, portboard, pbStatus |
| TTM | Tracked Target Message | targetNumber, targetDistance, bearing, bearingUnit, targetSpeed, targetCourse, courseUnit, closestPointOfApproach, timeUntilClosestPoint, distanceUnit, targetLabel, targetStatus, referenceTarget, time, typeAcquisition |
VDM | AIS (Automatic Identification System) Message | fragmentsCount, fragmentId, messageId, channel, message, fillBits |
| VDO | Same as VDM for own ship | see VDM |
| VTG | Track Made Good and Ground Speed | headingTrack, trackReference, headingMagnetic, magneticReference, speedKnots, speedKnotsUnits, speedKilometers, speedKilometersUnits |
| EXT | X, Y and Z acceleration data (Proprietary sentence) | Acceleration X, Acceleration Y, Acceleration Z |
| ASHR | Aiding Ship Heading Rotation (Proprietary sentence) | time, heading, roll angle, pitch angle, heave, roll angle accuracy, pitch angle accuracy, heading angle accuracy, aiding status, IMU status |
| OSD | Own Ship Data | heading, status, course, course reference, vessel speed, speed reference, vessel set, vessel drift, speed units |
Default Fields
All above mentioned sentences have default fields derieved from Sentence.
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