I've just recovered a GoPro Hero 7 camera from a stratospheric balloon. It maxed out at around 25 km altitude, so I would really like to see the recordings. The camera was fully recharged and equipped with a 64 GB microSD card formatted with exFAT.
Recording was started, and the first file (GH010026.MP4) is a 4 GB, 17 min duration video of the balloon being filled with Helium.
Next file (GH020026.MP4) is a 4 GB, 18 min duration video of launch and the first ascent.
Next file (GH030026.MP4) is a 3 GB, 13 min duration video, a continuation of the previous video.
And – that's that.
Then there's a 7.9 MB file – a few seconds in duration – called GH010027.MP4 – apparently recorded after landing (my colleagues apparently turning the camera off). Funny thing about this file: In Linux terminal, it has today's date, but no time. In Nemo File Manager, it has a time of 18:34, which is about 20 minutes into the future!
Where's the rest of my 1½ hour long flight?
What are my chances of finding the missing footage? I haven't written anything to the card since.
Did my colleagues do anything wrong when they turned off the camera?
Does anyone know what is the logic behind the file naming on a GoPro?
submitted by /u/oz1sej
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