[quote=samc99us]That is an interesting setup on the Marstrom T, but probably outdated like a few here have pointed out.
We use a Velocitek Prostart for training, but these aren't cheap either. Really your best bet for low cost is a wrist GPS, I've been using the Vivoactive HR with sailing app, you can probably score one for $125 on black friday.[/quote]
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