Thanks to everyone for making this an amazing thread! It's very often those ones that go off on a tangent that offer the most insight. I've learned a lot of how searches work, and I'd like to know more. Last year I read an article about the psychology of searching; how the mind of the lost person works. I learned about gravity traps and the way you think when you're lost. Now, I can see how flipping the script would be useful if I ever get lost. Knowing not only how to signal but what the SAR guys are looking for and how they'll be searching for me, that could save a life.
Who'd have thunk I'd be contemplating the best way to be lost!
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“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman