Hex beam antenna cheat sheet for ham radio. Fiberglass Tubes, Wire, and Rope available at http://www.mgs4u.com/hexbeam-kit.htm
Communicate in an emergency, become a ham radio operator | PreparednessMama
This may come in handy should SkyNet become self-aware, or the zombies come. Ya' know, to talk to all the HAM radio operators out there - and what's left of the military.
Understanding the concept of shortwave bands
Ham Radio Cheat Sheet - interiors-designed.com
Ham Radio Symbol