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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Fteacher
Actually I've just checked the data in the recorder app and found a .gpx of 5.5kms. Which is much closer to reality. Also, I forgot that I ran along a slightly longer way than usually, maybe 5.2kms I have to retry all that to get more precise measurements. The gps is a bit out of track, but not too much actually.
The question here is why is there such a difference between the recorder app and the run app.
I'll try that again for sure. I'll take an extra gps watch for reference.