Quote:
Originally Posted by finch1750
Has anyone done a comparison of Harry's Lap Timer with phone GPS compared to an external or AiM? I will be buying Qstarz before my next track day but am curious/trying to settle an argument lol
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1hz vs 10hz. +-1s vs +- 0.1s.
HLT is good for a relative lap time but useless if you want to see speeds or get an accurate lap time.
If you're using a phone mount that will vibrate, then the data will also be contaminated.