Loran definition

lôrăn
A long-range navigational system in which position is determined by an analysis involving the time intervals between pulsed radio signals from two or more pairs of ground stations of known position.
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A navigation system for determining the position of a ship or aircraft by means of the time interval between radio signals received from two or more known stations.
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A long-range navigational system, in which a receiver's position is determined by an analysis involving the time intervals between pulsed radio signals from two or more pairs of ground stations of known position. The difference in the timing of the received signals corresponds to differences in distance from the transmitters, and the position of the receiver can be calculated by triangulation .
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Origin of loran

  • lo(ng-)ra(nge) n(avigation)

    From American Heritage Dictionary of the English Language, 5th Edition