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@float13
In my experience in a remote spot there is unlikely to be anybody nearby to hear you on any radio. The possible exception may be ham radio, if there is a repeater near enough to use. But simplex radios -- ones that just talk to each other without any external infrastructure, like I talked about here -- are limited enough in range that if you're in a place remote enough to worry about finding help, you may find nobody close enough on the right channel to hear you. 2/