Making Sense of What You Hear- Part 3, by Hal2000
Shortwave Radio The next most important radio for preppers is a shortwave radio. Shortwave radio is generally defined as the part of the radio spectrum between 3.0 megahertz (Mhz) and 30.0 megahertz (Mhz). This is referred to as High Frequency, or HF spectrum. There are all kinds of transmissions you will hear on shortwave– Ham radio operators, International shortwave broadcasters, military communications, clandestine stations, numbers stations, and a whole lot more. You will also hear many different modes of communications as well. The bulk of what you will hear will be either standard AM broadcasting and SSB or Single Sideband …