radio navigational

См. также в других словарях:

• Radio Navigational Aids — The Radio Navigational Aids (Publication 117) publication contains a detailed list of selected worldwide radio stations that provide services to the mariner.National Geospatial Intelligence Agency, 2008.] The publication is divided into chapters… …   Wikipedia

• Radio navigation aid — Radio navigational aids, much like hearing aids, are small devices that allow other technological devices to receive signals which help with navigation. History Invented by Lord Roger Burrman in 1922, radio navigational aids have long since… …   Wikipedia

• radio-range station — A radio navigational land station in the aeronautical radio navigational service providing radio equisignal zones. These are obsolete. See also radio range …   Aviation dictionary

• Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …   Wikipedia

• Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter …   Wikipedia

• navigational system — noun a system that provides information useful in determining the position and course of a ship or aircraft • Hypernyms: ↑system • Hyponyms: ↑Global Positioning System, ↑GPS, ↑omnirange, ↑omnidirectional range, ↑omnidirectional radio range …   Useful english dictionary

• Radio communication system — A radio communication system send signals by radio. [cite book | title = Wireless Network Performance Handbook | author = Clint Smith, Curt Gervelis | year = 2003 | publisher = McGraw Hill Professional | isbn = 0071406557 | url =… …   Wikipedia

• Radio clock — A radio clock is a clock that is synchronized by a time code bit stream transmitted by a radio transmitter connected to a time standard such as an atomic clock. Such a clock may be synchronized to the time sent by a single transmitter, such as… …   Wikipedia

• Navigational aid — A lighthouse is an easily recognized aid to navigation. A navigational aid (also known as aid to navigation, ATON, or navaid) is any sort of marker which aids the traveler in navigation; the term is most commonly used to refer to nautical or… …   Wikipedia

• radio beacon — noun 1. a characteristic signal emitted by a transmitter used for navigation • Hypernyms: ↑signal, ↑signaling, ↑sign 2. a radio station that broadcasts a directional signal for navigational purposes • Syn: ↑beacon • Hypernyms: ↑ …   Useful english dictionary

• radio direction finder — a navigational aid establishing a fix by means of the bearings of two known radio stations. Abbr.: RDF [1920 25] * * * ▪ instrument also called  Radio Compass,         radio receiver and directional antenna system used to determine the direction… …   Universalium