Good info.
I think in your situation I think staying with Harry's lap timer on the iphone will suffice. But a Qstars external GPS will make it 99% accurate.
I pretty much look through all my data on the phone, it's tedious but fun doing so on the train commute to work.
I think in your situation I think staying with Harry's lap timer on the iphone will suffice. But a Qstars external GPS will make it 99% accurate.
I pretty much look through all my data on the phone, it's tedious but fun doing so on the train commute to work.
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