The Radar Detector Museum

The First Radar Detectors

Some of the first radar detectors were probably crude homebrew devices, made by ham radio enthusiasts. Before any known commercial radar detectors were available, the amateur radio magazine CQ published a design for a Radar Speedmeter Receiver in January 1958.

In the article, the author mentions that he doesn't approve of jamming the radar speedmeter "as it is very un-sportsmanlike"!

He says "A word to the wise is sufficient" and that "In this case, the word is a deep burp from the auto radio upon approaching a radar speedmeter, thereby reminding the driver to check his speed."

A few years later, a radar detector was available commercially: the Radar Sentry.


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