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MF HF SSB radiotelephone

См. также в других словарях:

  • Single-sideband modulation — (SSB) is a refinement of amplitude modulation that more efficiently uses electrical power and bandwidth. It is closely related to vestigial sideband modulation (VSB) (see below).Amplitude modulation produces a modulated output signal that has… …   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

  • Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e …   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

  • Marine and mobile radio telephony — Example: Complete GMDSS A3 installation with HF telex. The Marine Radiotelephone Service or HF ship to shore operates on shortwave radio frequencies, using single sideband modulation. The usual method is that a ship calls a shore station, and the …   Wikipedia

  • Sideband — The power of an AM signal plotted against frequency. Key: fc is the carrier frequency, fm is the maximum modulation frequency In radio communications, a sideband is a band of frequencies higher than or lower than the carrier frequency, containing …   Wikipedia

  • AT&T High Seas Service — The now defunct AT T High Seas Service consisted of radiotelephone stations WOO (transmitter station in Ocean Gate, NJ (coord|39|55|38|N|74|06|55|W|scale:1000), receiver station in Manahawkin, New Jersey, USA) [ [http://www.long lines.net/places… …   Wikipedia

  • OSCAR — This article is about the satellite. For other uses, see Oscar (disambiguation). OSCAR 1 OSCAR is an acronym for Orbiting Satellite Carrying Amateur Radio. OSCAR series satellites use amateur radio frequencies to facilitate communication between… …   Wikipedia

  • Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • Transceiver — For the device used in avalanche rescue, see Avalanche transceiver. A transceiver is a device comprising both a transmitter and a receiver which are combined and share common circuitry or a single housing. When no circuitry is common between… …   Wikipedia

  • Demodulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

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