Americans Invented the SIGINT Vehicle

'Gonio tractor' only SOUNDS dirty

Dec 1, 2021

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Goniometry is the science of radio direction finding. All electromagnetic energy has polarity, and that polarity can be detected. The funny-looking antenna on the truck right there is designed to detect the compass bearing of radio energy sources. When Americans arrived in France during 1917, the French introduced them to the technologies and systems th…

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