Best answers for Navigational system – Crossword Clue

1. Definition: 1. a slender double-reed instrument; a woodwind with a conical bore and a double-reed mouthpiece

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1. Definition: 1. measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

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1. Definition: 1. A system of electronic navigation in which a vessel or aircraft determines its latitude and longitude by measuring the time differences between low frequency radio transmissions from two stationary transmitters (slaves) and a stationary master transmitter. Contrary to the name, Loran is a medium range system, usually effective for no more than a few hundred miles from shore. The first commercial system was called Loran A; the latest (and final) development is Loran C.

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