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Are any of you using any analytics software to download your GPS and video to in order to create polars, and aid in analysis?

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I have been using ChartedSails, based on a recommendation from an a-cat sailor. Not polars, but pretty spot on race analytics – VMG, "cost" of your maneuvers (time, meters lost). Very easy to upload GPX and give it the info it needs; as of a month ago, it guesses where the start line, upwind, downwind marks are (and lets you adjust, but the guesses are pretty good).

A GPX of a practice run, followed by a long distance race https://www.chartedsails.com/session/59ef589e-e8bc-4c94-b7ba-86de5bab8a24

4 short races (click on the race names along the bottom, it'll expand the race and show per-leg analytics) . The 3rd race was the best I think, in a day that was a demolition derby. We capsized or pitchpoled 4+ times over the whole 4 race series, and still managed to come in 2nd. 


No affiliation, other than the guy behind it seems super nice, and has been receptive to my commentary/suggestions/minor bug reports.

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