Handheld GPS Navigation Device
The in previous podcast, we talked about the old way navigators used to find their way around the planet; by looking at objects in the sky, and doing some tricky math. The new navigation system, of course, is the Global Positioning System, and it helps you find your spot on the planet with amazing accuracy. Let’s see where the system came from, and how it works.
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GPS Navigation shownotes and transcript.
