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This is post 2366 in a continuing series of simple ham radio antennas.
Thanks to Michael Martens (KB9VBR) for this fascinating look at his mobile and portable amateur radio station.
Every radio amateur should have a "go-kit" for emergency operations. Although you don't have to have a station as complete as Michael's, you should have sufficient resources to carry a portable HF/VHF/UHF station with you when the need arises.
Here are some general comments from Michael on what to carry with you should an emergency occur: