Don’t have a few bucks to splurge on a TideTech subscription for your San Francisco racing? Well, the folks at San Francisco State have got your number, and it’s free. Yep – they’ve created an app that uses Google Maps and GPS to give sailors a real-time look at currents in the Bay, the previous 24 hours of currents and a projection for the next two hours. Pretty cool, and you can download it for your iThingy here.
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