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ground communication VHF radio

См. также в других словарях:

  • Ground communication outlet — There are multiple classes of airspace. Depending on the level of aviation activity in a class of airspace, different levels of air traffic control are used. An GCO is a variant of RCO. Historically, pilots would use a RCO, which was a direct… …   Wikipedia

  • 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 propagation — is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another. [ H. P. Westman et al, (ed), Reference Data for Radio Engineers, Fifth Edition , 1968, Howard W. Sams and Co.,… …   Wikipedia

  • Communication with submarines — is difficult because radio waves do not travel well through thick electrical conductors like salt water. The obvious solution is to surface and raise an antenna above the water, then use ordinary radio transmissions. Early submarines had to… …   Wikipedia

  • Radio transmitter design — In plate modulation systems the voltage delivered to the stage is changed. As the power output available is a function of the supply voltage, the output power is modulated. This can be done using a transformer to alter the anode (plate) voltage.… …   Wikipedia

  • Radio broadcasting — Long wave radio broadcasting station, Motala, Sweden …   Wikipedia

  • Aircraft Communication Addressing and Reporting System — Aircraft Communications Addressing and Reporting System (or ACARS) is a digital datalink system for transmission of small messages between aircraft and ground stations via radio or satellite. The protocol, which was designed by ARINC to replace… …   Wikipedia

  • Two-way radio — receiver which only receives content. Two way radios are available in mobile, stationary base and hand held portable configurations. Hand held radios are often called walkie talkies or handie talkies. A push to talk or Press To Transmit button is …   Wikipedia

  • Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic …   Wikipedia

  • Antenna (radio) — Whip antenna on car …   Wikipedia

  • military communication — Introduction       the transmission of information from reconnaissance and other units in contact with the enemy and the means for exercising command by the transmission of orders and instructions of commanders to their subordinates. As such, it… …   Universalium

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