What uses low frequency radio waves?

Because low frequency waves travel globally, they have practical uses. Long before GPS existed, engineers used low frequency waves broadcast from radio stations to determine location anywhere on the planet . And various navies have been using low frequency waves to communicate with submarines across an entire ocean.

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What frequencies are used for what?

The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication. … Waveguide frequency bands. BandFrequency rangeY band325 to 500 GHzRadio spectrum – Wikipedia en.wikipedia.org › wiki › Radio_spectrum

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