Old Navigation Returns

LORAN, an acronym for Long Range Navigation. Currently an obsolete terrestrial radio navigation system which enabled ships and aircraft to precisely determine their position and speed from low frequency radio signals transmitted by fixed land based radio beacons, using a dedicated receiver unit. The final version of LORAN in North America was LORAN-C, which operated in the low frequency level of the radio spectrum from 90 to 110 kHz. Russia used a nearly identical system in the same frequency range, called CHAYKA. LORAN was in steep decline in the 90's and early part of the 21st Century with the satellite-based Global Positioning System being the preferred technology that eventually replaced

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