Re: GPS Lap timers
I personally use the Starlane Stealth GPS-3X, it works well and is pretty easy to setup and it is really small which I really like. Once it is setup for a track it automatically knows where you are. It also has the ability to do video overlay.
I did some testing for Yoyodyne who distributes Starlane products to the US. He had me test the Athon unit. I did some cool track overlay things with it. At one point I put a camera facing forward and one facing backwards and did a picture in picture with video overlay.
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