Free fall from 600 Meters

Hello,

Yesterday I had a crash, my Quadro falls down from 600 meters. :(

I fly with this copter many hours, never any Problem.

 

Spektrum DX8 with Satelite

UBec for APM

APM 2.0 Firmware 2.7.3

uBlox LEA-6

 

 

 

I analyzed the log file and see I had signale lose

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3DR GPS uBlox LEA-6

Yesterday i got my LEA-6 GPS module and made a short comparison.

I Placed my Copter outside on the street and wait 2-3 mins to get a good GPS Signal and then I running a track on the street with my copter over my head. First with Mediatek and after wi

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