ArduPilot / ArduPilot/MissionPlanner

APM:Plane 3.6.0 dataflash log format change has broken georefimage

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Dominant language
C#
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Description

The Georef tool no longer works with dataflash logs generated from autopilots running APM:Plane 3.6.0.
![image](https://cloud.githubusercontent.com/assets/5547169/16146364/3094369c-34b0-11e6-9444-1582669be0c8.png)

---

![image](https://cloud.githubusercontent.com/assets/5547169/16146242/aaa1fbdc-34af-11e6-8cc3-cf494e86601a.png)

3.5 GPS string:
FMT, 130, 46, GPS, QBIHBcLLefffB,TimeUS,Status,GMS,GWk,NSats,HDop,Lat,Lng,Alt,Spd,GCrs,VZ,U
3.6 GPS string:
FMT,130,50,GPS,QBIHBcLLeeEefB,TimeUS,Status,GMS,GWk,NSats,HDop,Lat,Lng,**RAlt**,Alt,Spd,GCrs,VZ,U

As always, thank you very much devs!

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by reproducing the Georef tool failure with an APM:Plane 3.6.0 dataflash log and compare its GPS FMT definition with the 3.5 definition shown in the issue. Trace how the Georef tool reads the GPS fields, then verify that 3.6 logs work without breaking 3.5 compatibility.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
desktop
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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