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Water Switch Incorporated for Turtle GPS
GPS signals do not penetrate water. For those who study turtles this new development means that the GPS device will output more data because rather than just follow a positioning schedule the GPS device will also be looking for the presence of water prior to turning on. If water is detected then the GPS won't turn on and will instead follow a different schedule. To understand how this can benefit your work please click on the Turtles and Tortoise link from the Products / Track Wildlife Page.