Innovations

Gee receivers like this one were used extensively in the Allied bombing campaigns over Europe during World War II.

What it Means

Aircraft equipment interprets time delays from pairs of ground stations. ...

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Meet the Navigator

How it Works

How it Works

In a hyperbolic system such as LORAN, a receiver on an aircraft or ship picks up radio signals broadcast by one or more pairs of radio stations spaced hundreds of miles apart. ...

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How it Works

LORAN receivers picked up signals that were either broadcast directly from stations as "ground waves" or reflected as "sky waves". ...

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