I have two VR cards:
One VR Brain 4.5 with uBlox 6 (3DR GPS) flying an Hexa and one µBrain with uBlox 8 on a smaller Quad.
I upgraded both to latest rc10 version. VR Brain 4.5 is OK (also with EKF) but µBrain GPS performance is poor. Compass calibration is fine. Included is the latest flight log with GPS errors. I had a look at the GPS prediction yesterday and checked the GPS reception…
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