Discover and read the best of Twitter Threads about #10Essential

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1/6 Here is one of my public service projects that might help to save a life. #FindMeSAR ( is a webpage that uses the GPS in your phone to display your coordinates and accuracy value. #SearchAndRescue #Hiking #10Essential Image
2/6 Several coordinate formats are supported and each has a different colored screen. The yellow screen displays your location in latitude longitude, decimal degrees. This format is used by all 911 call centers.
3/6 When you open FindMeSAR the first time your phone has to be online. The code for this webpage is saved in a special part of the browser's memory and this webpage will then work offline. (Service worker + AppCache)
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