12 Oct '17, 5pm

Retrotechtacular: Radio to Listen to When you Duck and Cover

Retrotechtacular: Radio to Listen to When you Duck and Cover

CONELRAD may sound like the name of a fictional android, but it is actually an acronym for control of electronic radiation. This was a system put in place by the United States at the height of the cold war (from 1951 to 1963) with two purposes: One was to disseminate civil defense information to the population and, also, to eliminate radio signals as homing beacons for enemy pilots. How CONELRAD Worked Here’s how it worked: In case of an attack, certain key stations were notified. They would use a very simple sequence to indicate there was an alert. All FCC-licensed stations had to cease transmission once the alert sounded. This wasn’t a bad idea. In World War II, bombers used radio stations to find nearby targets. However, it did leave the government without a way to communicate with the people. Through advertising, the US let people know that in an emergency they should ...

Full article: https://hackaday.com/2017/10/12/retrotechtacular-radio-to...

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Retrotechtacular: Hacking Wartime Mail

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hackaday.com 06 Oct '17, 5pm

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