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It's not the first DIY GPS data logger by a long shot, but Steve Cholewiak's new PIC16F88 Delorme Tripmate -- which Steve originally envisioned as a way to log his runs by carrying the unit in a backpack -- might very well be one of the cheapest. For under $20 you can snap up an old Delorme Tripmate...

January 28th 2007 at 10:30am 0 Comments