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Speed of BlueROV2

I need to measure and report the current speed of the ROV.

Does anyone have any ideas how to do this?

@jfilion

There’s a couple ways we have measured speed of a BlueROV2:

  1. Have a quadcopter follow the ROV that is just barely under the water. Get the speed reading from the UAV.
  2. Use a GPS mast that is out of the water by about 1m.
  3. Use an underwater positioning system: Water Linked UGPS

For #2 and #3, you can get speed values by selecting “Ground Speed” in the Value Widget Setup: