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A data link is the means of connecting one location to another for the purpose of transmitting and receiving digital information. It can also refer to a set of electronics assemblies, consisting of a transmitter and a receiver and the interconnecting data telecommunication circuit. These are governed by a link protocol enabling digital data to be transferred from a data source to a data sink.
In telecommunication, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a blend of transmitter and responder. It is variously abbreviated as XPDR, XPNDR, TPDR or TP.
Tropospheric scatter, also known as troposcatter, is a method of communicating with microwave radio signals over considerable distances – often up to 500 kilometres (310 mi) and further depending on frequency of operation, equipment type, terrain, and climate factors. This method of propagation uses the tropospheric scatter phenomenon, where radio waves at UHF and SHF frequencies are randomly scattered as they pass through the upper layers of the troposphere. Radio signals are transmitted in a narrow beam aimed just above the horizon in the direction of the receiver station. As the signals pass through the troposphere, some of the energy is scattered back toward the Earth, allowing the receiver station to pick up the signal.
The Raytheon Company was a major U.S. defense contractor and industrial corporation with manufacturing concentrations in weapons and military and commercial electronics. It was previously involved in corporate and special-mission aircraft until early 2007. Raytheon was the world's largest producer of guided missiles. In April 2020, the company merged with United Technologies Corporation to form Raytheon Technologies.
Loral Corporation was a defense contractor founded in 1948 in New York by William Lorenz and Leon Alpert as Loral Electronics Corporation. The company's name was taken from the first letters of each founder's surname.
The Distant Early Warning Line, also known as the DEW Line or Early Warning Line, was a system of radar stations in the northern Arctic region of Canada, with additional stations along the north coast and Aleutian Islands of Alaska, in addition to the Faroe Islands, Greenland, and Iceland. It was set up to detect incoming bombers of the Soviet Union during the Cold War, and provide early warning of any sea-and-land invasion.
The Mid-Canada Line (MCL), also known as the McGill Fence, was a line of radar stations running east–west across the middle of Canada, used to provide early warning of a Soviet bomber attack on North America. It was built to supplement the Pinetree Line, which was located farther south. The majority of Mid-Canada Line stations were used only briefly from the late 1950s to the mid-1960s, as the attack threat changed from bombers to ICBMs. As the MCL was closed down, the early warning role passed almost entirely to the newer and more capable DEW Line farther north.
The Joint Electronics Type Designation System (JETDS), which was previously known as the Joint Army-Navy Nomenclature System and the Joint Communications-Electronics Nomenclature System, is a method developed by the U.S. War Department during World War II for assigning an unclassified designator to electronic equipment. In 1957, the JETDS was formalized in MIL-STD-196.
Canadian Forces Base Gander, is a Canadian Forces base located in Gander, Newfoundland and Labrador. It is operated as an air force base by the Royal Canadian Air Force and is home to search and rescue operations that cover a vast swath of the western North Atlantic and southern Arctic and a Canadian Coastal Radar station amongst other things. It is home to 9 Wing Gander.
Chibougamau is the largest town in Nord-du-Québec, central Quebec, Canada. Located on Lake Gilman it has a population of 7,504 people. Chibougamau is surrounded by, but not part of, the local municipality of Eeyou Istchee James Bay Regional Government.
The Electronics Technicians Association, International® is a US-based not-for-profit 501(c)(6) trade association founded in 1978. The association provides certifications in industries such as basic electronics, fiber optics and data cabling, renewable energy, information technology, photonics and precision optics, customer service, biomedical, avionics, wireless communications, radar, and smart home. ETA is also one of the 12 COLEMs for U.S. Federal Communications Commission (FCC) testing. ETA works with technicians, educators, and military personnel. ETA also partners with companies such as Motorola Solutions to provide certification to their employees.
Canadian Forces Station Saglek is a Canadian Forces Air Command radar base in the former Pinetree Line and currently part of the North Warning System, located near Saglek Bay in Newfoundland and Labrador, 367.7 miles (591.8 km) north-northwest of CFB Goose Bay.
Bharat Electronics Limited (BEL) is an Indian Government-owned aerospace and defence electronics company. It primarily manufactures advanced electronic products for ground and aerospace applications. BEL is one of nine PSUs under the Ministry of Defence of India. It has been granted Navratna status by the Government of India.
CFS Chibougamau, or RCAF Station Chibougamau (pre-1967), housed the 10 Radar Squadron. The facility was a military radar installation in Chibougamau, Quebec, Canada, that formed part of the Pinetree Line. Shortly after opening, in 1963, it was converted to semi-automated operation using the NORAD SAGE system. The station was operated exclusively by the Royal Canadian Air Force.
Hopedale Air Station is a General Surveillance Radar station that the USAF closed in 1968. It is located north of the community of Hopedale, Newfoundland and Labrador 147.8 miles (237.9 km) west-northwest of CFB Goose Bay, Newfoundland and Labrador, Canada.
Canadian Forces Station Ramore is a closed General Surveillance Radar station. It is located 4 miles (6.4 km) east of Ramore, Ontario. It was closed in 1974. It was operated as part of the Pinetree Line network controlled by NORAD. It has since been sold and is now private property.
Electronics Technician (ET) is a common enlisted occupation in the armed forces of many different countries. Common duties for ETs include repair, calibration, and basic maintenance of most electronic equipment.
The Military Communications and Electronics Museum is a military signals museum on Ontario Highway 2 at CFB Kingston in Kingston, Ontario, Canada. A member organisation of the Organization of Military Museums of Canada, the communications museum was established at the base in 1961 and moved to its current purpose-built building in 1996.
Backup Interceptor Control was the Electronic Systems Division 416M System to backup the SAGE 416L System in the United States and Canada. BUIC deployed Cold War command, control, and coordination systems to SAGE radar stations to create dispersed NORAD Control Centers.
References
- ↑ MacKenzie, John A. (2005-12-13). "Annex F - Post World War II Radar: CADIN/Pinetree Line". The History of Canadian Military Communications and Electronics. Government of Canada, National Defence, Communications and Electronics Branch. Archived from the original on 2009-08-03. Retrieved 20 January 2010.