Impressive accuracy benchmarked.

Last weekend I used Race Chrono pro on my android (standard internal GPS) at a Race Meeting at Snetterton 300.

I compared the Race Chrono lap times with the official lap times (transponder) for the qualifying session.
Quali Official Chrono Difference
1 02:34.420 02:38.310 00:03.890*
2 02:27.983 02:27.990 00:00.007
3 02:23.651 02:23.660 00:00.009
4 02:22.965 02:23.000 00:00.035
5 02:21.421 02:21.380 00:00.041
6 02:34.348 02:34.330 00:00.018
7 02:20.616 02:20.620 00:00.004
8 02:20.003 02:19.970 00:00.033
Total deviance excluding out-lap* 00:00.147
Average deviance 00:00.021 (21 thousandths of a second)
Greatest deviance 00:00.041 (41 thousandths of a second)

I am impressed and have dropped the idea of an external GPS. instead I will have a mounting plate fabricated for my android phone.
Well done Race Chrono.

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