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FInal test was a stationary phone, WiFi off. I left it for 35 mins, indoors, with GPS pings every 3 seconds.
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Compared to the wild variatons of 50m we were seeing with Safe Paths, this is a much much bettter performance.
With GPS + WiFi, we see slightly slower convergence; 5 data points / 15 seconds before the signal is fully trained (scattered at the top), and after that the signal is solid).
In any case, data is always within 6m.
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