Our weekly audio PodCasts will include:
# Geocaching News
# Tips and Tricks
# Tools of the trade
# Opinions … lots of opinions
# Cache stories and experiences
# “Live?? on-the-field tours and hunts
# AND podcaches: MP3 audio clues that will lead you to hidden caches!
In this article, we’ll find out how these handy guides pull off this amazing trick. As we’ll see, the Global Positioning System is vast, expensive and involves a lot of technical ingenuity, but the fundamental concepts at work are quite simple and intuitive.