radio position finding

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• 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

• radio compass — /ˌreɪdioʊ ˈkʌmpəs/ (say .raydeeoh kumpuhs) noun any device, as a radio receiver with a directional aerial, which can be used for position finding …  

• Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …   Wikipedia

• Radio-controlled aircraft — A radio controlled aircraft (often called RC aircraft or RC plane) is a model aircraft that is controlled remotely, typically with a hand held transmitter and a receiver within the craft. The receiver controls the corresponding servos that move… …   Wikipedia

• Radio fix — In telecommunication and position fixing, the term radio fix has the following meanings: *The locating of a radio transmitter by bearings taken from two or more direction finding stations, the site of the transmitter being at the point of… …   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 telescope — noun astronomical telescope that picks up electromagnetic radiations in the radio frequency range from extraterrestrial sources (Freq. 1) • Syn: ↑radio reflector • Hypernyms: ↑astronomical telescope • Hyponyms: ↑radio interferometer …   Useful english dictionary

• radio fix — noun 1. : the location of a radio transmitter by means of direction finding equipment 2. : a fix obtained by radio * * * radio fix noun The identification of a ship s or aircraft s position from radio signals it emits • • • Main Entry: ↑radio …   Useful english dictionary

• Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… …   Wikipedia

• Types of radio emissions — The International Telecommunication Union uses an internationally agreed system for classifying radio frequency signals. Each type of radio emission is classified according to its bandwidth, method of modulation, nature of the modulating signal,… …   Wikipedia