Why GPS needs four satellites and still gets it wrong, the clock problem and errors behind every fix
8:59
MSNCasual Navigation
Why GPS needs four satellites and still gets it wrong, the clock problem and errors behind every fix
GPS sounds simple until you realize your receiver has no atomic clock and the signal slows down, speeds up, and bounces before it even reaches you. This video breaks down the clever math and real-world limitations that determine how accurately GPS can actually place you on a chart.
1 month ago
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