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L2 Sensor Misaligned Data Single Flight
139 3 9-5 07:35
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JMTHVSurv01
lvl.1

United States
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Hello. We are getting intermittently bad data from our L2 sensor. For lack of a better description, reviewing the data in Terra shows the point cloud overlapping, misaligned, tilting at 90 degrees, and sometimes folding in on itself.
We were in an area where RTK was spotty due to poor cellular coverage. We flew 18 flights in total and five of the flights have these anamolies.

However, the quality report says we had 100% fix and nothing stands out in the IMU Trajectory report.

Does anyone else have this issue? Is there a fix, or is our sensor failing?

Your advice is appreciated.


Ridge that does not exist.

Ridge that does not exist.

Ground folding under surface.

Ground folding under surface.
9-5 07:35
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LV_Forestry
First Officer
Flight distance : 4726654 ft
Latvia
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Does PPK give the same result?
9-5 10:58
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JMTHVSurv01
lvl.1

United States
Offline

LV_Forestry Posted at 9-5 10:58
Does PPK give the same result?

Unfortunately, yes. We even tried using different bases.
9-5 13:15
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LV_Forestry
First Officer
Flight distance : 4726654 ft
Latvia
Offline

What is the linear speed?
How many meters is the longest leg of the flight plan?

It is also highly recommended to activate "IMU calibration" systematically.
9-5 16:28
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