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Split Logs for Single Flight
921 2 2017-8-18
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n1ghtwish
Flight distance : 677953 ft
United States
Offline

Hello all, first post, go easy!  

I flew my P4 yesterday for a little range test from my roof.  Everything went perfectly normal.  Went straight out to 11,000ft and then chickened out (but still had full bars on both RC and video!) and initiated RTH through the app (iPhone 6).  The P4 turned around and flew right back, landed right where I launched it from.

So I go to take a look at the logs in the DJI app and I see two separate logs for this flight.  One for the flight out to the point where I initiated RTH and then a second log from the RTH point to home point.  Looking at the CSV files from AirData, it shows the last line of the first flight log as a distance of 11,000(ish) feet from home point and a status of returning to home.  On the second log, the first line shows a distance of 0 from home point, as if it had initiated a whole new flight, recording it's position out there as the new home point, yet still flew back to the original home point.  

I have done several flights previously where I just flew straight out somewhere and then RTH right back and it's always just generated a single log.  

It should be noted that the entire flight was inside an unlocked NFZ (local, small airport).  Also, I recorded the whole thing and the video was never interrupted.

Anyone have insight on this?

Thanks in advance!

-Max

2017-8-18
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n1ghtwish
Flight distance : 677953 ft
United States
Offline

Log #1: http://phantomhelp.com/logviewer/SVWEOO40N6P4NDOQ83DI/
Log #2: http://phantomhelp.com/logviewer/FB84C4HQAN2UBU1HWJP9/

I did just notice that the last entry on Log #1 states that the downlink was restored... I did lose it a couple times when I lowered the controller, but the other times I lost connection didn't split the logs.  I also noticed that the last entry on Log #1 gives a time of 7m28s and the first entry in Log #2 shows 7m55.7s....

So maybe just a fluke?  An error writing to the log file?
2017-8-18
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DJI Susan
Administrator
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n1ghtwish Posted at 2017-8-18 15:39
Log #1: http://phantomhelp.com/logviewer/SVWEOO40N6P4NDOQ83DI/
Log #2: http://phantomhelp.com/logviewer/FB84C4HQAN2UBU1HWJP9/

The flight records will be interrupted when it can not receive the OSD of Main Control. No worries.
2017-8-27
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