- international calling frequency
- Телекоммуникации: международная частота вызова
Универсальный англо-русский словарь. Академик.ру. 2011.
international calling frequency
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International distress frequency — An international distress frequency is a radio frequency that is designated for emergency communication by international agreement. Contents 1 History 2 Current frequencies 2.1 Digital Selective Calling frequencies 2.2 … Wikipedia
Amateur radio frequency allocations — Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the ITU oversees how much radio spectrum is set aside for amateur radio transmissions. Radio amateurs use a variety of transmission modes, including… … Wikipedia
Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 … Wikipedia
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
Quetta International Airport — IATA: UET – ICAO … Wikipedia
American International School of Vienna — Infobox Private School name = American International School Vienna motto = Our Mission is to provide a culture of educational excellence, a nurturing environment, and an atmosphere of open communication. We aim to prepare a diverse student body… … Wikipedia
Marine VHF radio — A standard handheld maritime VHF, mandatory on larger vessels under the GMDSS rules … 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
CB radio in the United Kingdom — CB Radio was first introduced into the United Kingdom around 1972. These dates are hard to confirm accurately; certainly early use was known around the airports in the UK, particularly Stansted in 1973. Some claim that a few illegal CBs were in… … Wikipedia
Phreaking — is a slang term coined to describe the activity of a subculture of people who study, experiment with, or explore telecommunication systems, like equipment and systems connected to public telephone networks. The term phreak is a portmanteau of the … Wikipedia
500 kHz — Since early in the 20th century, the radio frequency of 500 kilohertz (500 kHz) has been an international calling and distress frequency for Morse code maritime communication. The United States Coast Guard and comparable agencies of other nations … Wikipedia
