I found this place using a google search that led me to this blog post:
I tried to run the mavlogdump code on my data I have, however, I received some errors while doing so.
python mavlogdump.py flightdata.bin -f --format "csv"
This gave me this error:
NameError: name 'long' is not defined.
Am I using it wrong? Any type of direction would be awesome.