After GPS glitch , vehicle(quad copter) goes to RTL flight mode instead of ALT HOLD or LAND

When GPS glitch happens vehicle(quad copter) goes to the RTL flight mode. Ideally , if glitch happens vehicle must be in ALT hold or LAND mode. We are using arducopter 3.6.9 firmware with Pixhawk4.

Steps to produce :

  1. Remove propellers
    2.Connect quadcopter to mission planner
    3.Give takeoff command
    4.Take into shade where GPS sat count is less where GPS glitch will happen
    5.After 10 to 15 seconds quadcopter goes to RTL mode instead of LAND or ALT HOLD

Log link : https://drive.google.com/open?id=1Jt9txA-F7WWcZK_dmwDoT-ZgNBdxSUM2
Bin file link : https://drive.google.com/open?id=1hTKGcyF0yRV_7vTOHWyO2DbL1Z2QclY2

You’ll need to provide a log file in order for people to be able to assist

PFA for the logs . Logs were uploaded in post description as well as in this comment/reply
Log link : https://drive.google.com/open?id=1Jt9txA-F7WWcZK_dmwDoT-ZgNBdxSUM2

Apparently they did not.

Check now… Logs uploaded in google drive and link were shared

BIN please… .log mixing up timing…hard to analyze

Check above link updated

Your GPS glitch is severe enough to put position outside your fence and initiate Fence breach failsafe (which is RTL) but does not occur long enough to initate EKF failsafe (which will land)

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I will verify this one.