Grid electricity down, WiFi down, Internet down! What to do? What kind of storm is coming? Are the stores open? Is my mother safe? Normally, you would tune into your local ham club’s repeater to communicate with fellow hams. A repeater is a dedicated radio (or set of radios) and antenna located in the highest spot available, such as a mountaintop or a building and can reach around 25-to-75 miles — depending on terrain. Repeaters receive signals from one frequency and transmit to another frequency using tones and offsets. They usually have a backup power system that can last a …
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