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  • @halemmerich: I downloaded the JS part of hrmaccevents app to my bangle.js2 (with method=2) and let it running for several minutes. The resulting CSV will for a while be at­csv (2.3 MB).

    @Gordon: Would this file be usable, provided that I amend it with either an external log file from Garmin watch or paste the heart rate from Garmin as the last (BTHRM) column?

    I tried to import the Garmin .fit file into the GoldenCheetah desktop application (, and it apparently can export the data as CSV. The only problem is that the resulting CSV has relative timestamps starting at zero. But I guess I will be able to synchronize it either using the GPS data or simply by starting at the same time on both devices.


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