No GPS time in flight log file

Hey all. I am trying to use Mission Planner to geotagg photos taken by a GoPro camera aboard the IRIS +. Each time I use the flash log file for time offset it calculates -1 for me and if I hit preprocess I get that error message "no gps match in the log file". If I use the telemetry .tlog file it works but now I have one flight for which the telemetry file is short because I disconnected my laptop from the ground station radio soon after takeoff. Anybody knows a work around to this?

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  • I have the same problem with my Iris+.   log_bitmask is set to 6535.  Mission Planner can happily generate an accurate KMZ file from the DataFlash log.  The TLogs from my Nexus 6 in flight have time stamps - but the DataFlash file does not....and so I can tag, but now with the accuracy I'd like.

    Any pointers much appreciated.

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