Imagine yourself on an old-fashioned treasure hunt. You've pored over the map and you've assembled all the clues; now it's just a matter of finding the X that marks the spot. You're sure it's over the next ridge, but once you get there, there's no "X" to be seen. So you pull up your phone, load your GPS, and re-examine where, exactly, this treasure trove is hiding. Okay, so this isn't exactly an "old-fashioned" treasure hunt — this is geocaching.
How Do GPS Coordinates Work?
Written by Reuben Westmaas August 2, 2018
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