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RACELOGIC Support Centre

25 - Video VBOX CAN Output

Data format: Motorola

Baud rate: 500 kbit/s
 

ID* Update Rate Data Bytes
1 2 3 4 5 6 7 8
0x301 100 ms (1) Sats  (2) Time since midnight UTC (3) Position – Latitude MMMM.MMMMM
0x302 100 ms (4) Position – Longitude MMMM.MMMMM (5) Velocity  (kts) (6) Heading (°)
0x303 100 ms (7) Altitude. WGS 84. (m) (8)Vertical velocity (m/s) Unused (9) Status (10) Status
0x304 100 ms Unused (11) Long Accel. (g) (12) Lateral Accel (g)
0x305 100 ms (13) Distance travelled since VBOX reset (m) Unused Unused

 

  1. If Satellites in view < 3 then only Identifier 0x301 transmitted and bytes 2 to 8 are set to 0x00.
  2. Time since midnight. This is a count of 10 ms intervals since midnight UTC. (5383690 = 53836.90 seconds since midnight or 14 hours, 57 minutes and 16.90 seconds).
  3. Position, Latitude * 100,000 (311924579 = 51 Degrees, 59.24579 Minutes North). This is a true 32 bit signed integer, North being positive.
  4. Position, Longitude * 100,000 (11882246 = 0 Degrees, 58.82246 Minutes West). This is a true 32 bit signed integer, West being positive.
  5. Velocity, 0.01 kts per bit.
  6. Heading, 0.01o per bit.
  7. Altitude, 0.01 meters per bit, signed.
  8. Vertical Velocity, 0.01 m/s per bit, signed.
  9. Status, unused.
  10. Status, unused.
  11. Longitudinal Acceleration, 0.01 g per bit, signed.
  12. Lateral Acceleration, 0.01 g per bit, signed.
  13. Distance travelled in meters since VBOX reset.
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