Introduction: Emergency Signal-Boosting Cellphone Antenna

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About: USAF - Spec. Communications, Telemetry & Data Networking, Microwave Networks, Aeronautics Interests: Metal working, Electronics and Botany (especially wild edible plants, "Feed the world with weeds")
This simple, cheap and easy to make antenna can boost your cellular phone's signal enough that you stand a better chance of getting help in a bad signal area. All you need to make it is:

Some thin, solid-core copper wire (easily found inside phone wire)
Wire cutters
Tape measure or ruler
Drywall screw
Solder and soldering iron