Hi I work on a student project in a course about Use Design at University of Oslo. Our project is to help windsurfers; We try make a small gadget that that they can bring (using Arduino) that will help them (1) be alerted when they move too far from land, (2) be able to send a SOS signal indicating their position if they need help, (3) give them updated weather forecasts.
None of us are very experienced with GeoCoding so hope someone here can give use some small hints or point us in best correction; 1. What seem like the most reliable way to measure a persons distance from land using a gps-coordinate? 2. How often should we save gps-coordinates to track a windsuring trail with good enough resolution but still keep a minimum file size of gps coordinates for trail? 3. What is the most simple way that we can create an online map with trail from GPS-coordinates that we can update live? Thanks in advance for any help and feedbacks! Best regards Mats
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