ITU frequency bands/Related Articles
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- Automatic Identification System : A system, aboard ships and boats, that combines marine radio transmitters and receivers, Global Navigation Satellite System receivers, and computer control into a self-organizing, mobile network in which vessels are inform nearby traffic, potential collision hazards, and navigational information
- BAR LOCK radar : A Soviet-designed early warning and search radar, equipped with Moving Target Indicator, intended to be at points requiring maximum defense, as part of an integrated air defense system (IADS) and used with individual S-200 (missile)s
- Defense Satellite Communications System : A currently operational U.S. system of military communications satellites, providing worldwide coverage among fixed and semifixed sites, with moderately high data rates
- Department of National Defence (Canada) : The Canadian cabinet department responsible for the uniformed Canadian Forces, departmental agencies, and several organizations (e.g., search and rescue) that may or may not be part of the regular military of some other nations.
- Digital selective calling : A method to address specific marine radios or groups of vessels, and to send a distress signal, including the vessel's location if the radio is connected to a GPS receiver
- Direction finding : Finding the location of an electromagnetic emitter, either by the crossed bearings from directional antennas from various known points, or by time of arrival or time difference of arrival of the signal at those points
- E-6 TACAMO : An aircraft, operated by the U.S. Navy from a U.S. Air Force base, which is dual-capable for carrying a airborne battle staff, and a communications relay to missile submarines, for carrying out the Single Integrated Operational Plan
- EU-NATO-US frequency bands : A terminological scheme by the European Union, the NATO and the U.S. military to broadly classify electromagnetic frequencies used for radio and radar.
- Emergency Position Indicating Radio Beacon : Intended for search and rescue of ships and boats, this is a beacon that will float free of a sinking vessel, and broadcast a position report, preferably with GPS, to a worldwide cluster of monitoring satellites.
- Enhanced Position Location Reporting System : A portable or vehicle-mounted U.S. Army device that transmits friendly force positions for command and control, fires with precision-guided munitions, and logistical support
- Frequency : For a periodic (i.e., repeating) phenomena, the number of repetitions per unit of time, usually one second; measured in Hertz
- Global Maritime Distress and Safety System : Mandated by the Safety of Life at Sea convention of the International Maritime Organization system of digital radio and other systems for ships to receive alerts and signal search and rescue organizations when they are in distress.
- HAVE QUICK II : A family of military UHF jam-resistant radios, intended for air-to-air and air-to-ground use
- IEEE frequency bands : A terminological scheme by the Institute for Electrical and Electronic Engineers to broadly classify electromagnetic frequencies used for radio and radar.
- Integrated air defense system : An air defense that combines radar, anti-aircraft artillery, surface-to-air missiles, and fighter aircraft, presenting multiple layers of defense under systematic command and control
- Joint Tactical Radio System : A wide-ranging replacement of conventional military radio and communications security equipment with software-defined radio
- Maritime and Coastguard Agency : Formerly UK Coastguard, the part of the UK Department of Transport responsible for marine safety
- Modem : A communications device to convert digital signals to and from the format needed by an analog transmission system
- P-3 Orion : Land-based maritime patrol aircraft designed for the U.S. Navy; enhanced for littoral and land surveillance
- P-8 Poseidon : New maritime patrol aircraft, built on a Boeing 737 airframe for the United States Navy
- PRC-25 : The basic U.S. military squad tactical radio, along with its slightly upgraded version, the AN/PRC-77, introduced in 1962 and in service for approximately 30 years
- RC-135 RIVET JOINT : A United States Air Force long-range aircraft for collecting communications intelligence
- Radar warning receiver : allows detection of a radar that potentially might be able to sense the platform carrying the receiver, but does not give detailed characterization of the radar signal, as needed for electronic intelligence.
- Radar : (acronym for "radio detection and ranging") A technique used for detecting and tracking targets, navigation, imagery, and special applications.
- Radio : Transmission and reception of information, which can be voice, data or imagery over electromagnetic radiation in free space (i.e., wireless). The information is modulated onto a carrier wave
- S-200 (missile) : Soviet long-range surface-to-air missile optimized against high-altitude, high-speed targets; long minimum range. Do not confuse its designation, SA-5 GAMMON, with the SA-5 GRIFFON, which was the V-1000 anti-ballistic missile
- SIGINT ground-based platforms : Fixed, transportable or mobile facilities, on land, which contain signals intelligence sensors
- SPOON REST radar : The elderly but still common Soviet-designed P-12 early warning and search radar, developed for the S-75 Dvina and enjoying some resurgence as it works outside the frequencies against which stealth is optimized
- Safety and survivability of naval vessels : Beyond the rules of the Safety of Life at Sea convention, protective measures, for naval vessels, against their own systems as well as enemy fire
- Single Channel Ground and Airborne Radio System : A family of military radios, intended for ground combat and operating in the very high frequency (VHF) part of the electromagnetic spectrum; it uses frequency agility and is otherwise designed to operate in an electronic warfare environment
- Squad tactical radio : The designation, in U.S. and many other militaries, for a backpack radio assigned to squads of 9-13 soldiers, used for tactical coordination over a range of approximately 5 miles/8 kilometers; subsequent generations are more rugged, secure, and more power-efficient
- : A Soviet long-range early warning radar, operating in the VHF frequency range
- Telemetry : Electromagnetic transmission of the observations taken by remote sensors
- Wavelength : For a repeating phenomenon such as a radio signal with a given frequency, the wavelength is the length, in meters, of a single repetition