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The payload of this message is a Protobuf object representing the track sighting data. For more information on Google Protocol Buffers please see reference [https://developers.google.com/protocol-buffers/]. Navtech can provide Protobuf message files (.proto) on request.
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Field | Description |
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UniqueId | A string representation of a GUID that represents the unique Id of the track. |
TrackId | User friendly numeric Id for each track. Note that this Id is not unique across the system. |
SenderId | User friendly numeric Id of the radar which generated the track. This value represents the User Id which is configured in the Witness software. |
ChannelId | This is the index of tracking channel from which the track was generated. Typically in ClearWayClearWay™, this will represent the channel use for each carriageway. |
SpeedMps | The speed of the track in metres / second. |
CourseDegrees | The course of the track in degrees. |
Classification | The track classification Id. Options are:
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ClassificationProbability | The confidence level of the classification represented as a value between 0 and 1. |
XPosition | X coordinate of the track based on the local Witness site coordinate system. |
YPosition | Y coordinate of the track based on the local Witness site coordinate system. |
Latitude | Latitude coordinate of the track based on WGS84 datum. |
Longitude | Longitude coordinate of the track based on WGS84 datum. |
Tag | User friendly name / description of the track. Typically not used in ClearWayClearWay™. |
SizeInAz | The size of the track along the azimuth. |
SizeInRange | The size of the track along the range. |
Seen | Number of sightings of the track. |
Coasts | Monitors the number of times a target is perceived to be coasting. |
LaneUserId | User friendly numeric Id for each carriageway lane. |
SectionUserId | User friendly numeric Id of the section. |
CarriagewayName | Name of the carriageway. |
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