OMEGA was the first global-range radio navigation system, operated by the United States in cooperation with six partner nations. It was a hyperbolic navigation system, enabling ships and aircraft to determine their position by receiving very low frequency (VLF) radio signals in the range 10 to 14 kHz, transmitted by a global network of eight fixed terrestrial radio beacons, using a navigation receiver unit. It became operational around 1971 and was shut down in 1997 in favour of the Global Positioning System.
The LORAN-C transmitter Jan Mayen was a LORAN-C transmission facility on the island of Jan Mayen at 70°54′51″N8°43′57″W. The LORAN-C transmitter Jan Mayen used as an antenna had a 190-metre tall (625 ft) guyed mast.
Angissoq LORAN-C transmitter was a LORAN-C transmitter at Nanortalik-Angissoq, Greenland at GRI 7930, 59°59'18"N, 45°10'24" W. It had a transmission power of 1000 kilowatts. Until July 27, 1964, it used a 1350 ft mast radiator, built in 1963. On July 27, 1964, it collapsed from the fatigue failure of an eyebolt head in a compression cone insulator on a structural guy. It was replaced by a 704 ft mast radiator. On December 31, 1994, the transmitter was shut down and the tower dismantled.
Bø LORAN-C transmitter is a LORAN-C transmitter at Bø, Norway. Bø LORAN-C transmitter is the X-ray secondary station of the Ejde chain and the master station of the Bø chain. The transmission power of Bø LORAN-C transmitter is 400 kW.
LORAN-C transmitter Ejde was the Master station of the Ejde LORAN-C Chain. It used a transmission power of 400 kW. Ejde LORAN-C transmitter, situated near Eiði at. Ejde LORAN-C transmitter used as antenna a 190.5 metre tall mast radiator. In 1962 the mast of LORAN-C transmitter Ejde collapsed as a result of a slipping guy rope. The mast has been demolished.
LORAN-C transmitter Malone was the master station of the Southeast U.S. LORAN-C Chain and the Whiskey Secondary of the Great Lakes chain. It used a transmission power of 800 kW for both chains.
LORAN-C transmitter Fallon was the Master station of the U.S. West Coast LORAN-C Chain. It used a transmission power of 400 kW.
LORAN-C transmitter Lampedusa was the X-Ray secondary station of the Mediterranean Sea LORAN-C Chain. It used a transmission power of 325 kW. The Lampedusa LORAN-C transmitter was situated on the island of Lampedusa at 35°31′21″N12°31′31″E. The Lampedusa LORAN-C transmitter uses as an antenna a 190.5 metre (625 ft) tall mast radiator, which was commissioned in 1972. An Omega monitoring station was also constructed on the base. The LORAN Station ceased transmission on 312400Z DEC 94 and was decommissioned in January 1995.
Coast Guard LORAN-C Station Estartit was the Zulu secondary station of the Mediterrean Sea LORAN-C Chain. It used a transmission power of 165 kW. Estartit LORAN-C transmitter, was situated near Estartit at. Estartit LORAN-C transmitter used as antenna a 190.5 metre tall mast radiator.
LORAN-C transmitter Jupiter was the Yankee secondary station of the Southeast U.S. LORAN-C Chain. It was operated from years 1962 to 2010 by the U.S. Coast Guard, located on Florida land that was originally Camp Murphy and now Jonathan Dickinson State Park, near the town of Jupiter, Florida. The choice of this site followed the earlier LORAN-A station established in 1957 nearby on the Atlantic beach at Hobe Sound.
The LORAN-C transmitter Havre was the master station of the North-Central U.S. LORAN-C Chain, situated at Havre, Montana at 48°44′39″N109°58′54″W. It used a 700-foot (210 m) tall mast radiator as an antenna with a transmission power of 400 kW.
The LORAN-C transmitter Seneca was the master station of the Northeastern United States LORAN-C Chain and the X-Ray secondary station of the Great Lakes Chain. It was located within the Seneca Army Depot in Romulus, New York, south of Geneva. It used a 1000-kilowatt, 742-foot guyed mast that was constructed in 1977 and dedicated on August 2, 1978. The station was operated by United States Coast Guard and was located on a 250-acre (1.0 km2) piece of land within the 10,587-acre (42.84 km2) facility. The transmitter was used to guide ships and aircraft up to 1,000 miles (1,600 km) away. It was the first LORAN station to use solid-state electronics versus vacuum tube components.
LORAN-C transmitter Saint Paul was the master station of the North Pacific LORAN-C Chain. It used a transmission power of 325 kW. Saint Paul LORAN-C transmitter, situated at Saint Paul, Alaska at. Saint Paul LORAN-C transmitter used as antenna a 190.5 meter tall mast radiator. The mast has been demolished.
LORAN-C transmitter Johnston Island was a LORAN-C transmitter on Johnston Atoll, in the mid-Pacific Ocean. It was in service until July 1, 1992, and used as antenna a 190.5 metre (625 ft) tall mast radiator and a transmission power of 275 kW.
LORAN-C transmitter Hexian is the master station of the China South Sea LORAN-C Chain . It uses a transmission power of 1200 kW. LORAN-C transmitter Hexian is situated near Hexian at.
LORAN-C transmitter Helong is the Yankee secondary of the China North Sea Loran-C Chain. It uses a transmission power of 1200 kW. LORAN-C transmitter Helong is situated near Helong at.
Chichester, formerly New Chichester in reference to the English city, is a region in Delaware County, Pennsylvania. It includes the townships of Upper Chichester and Lower Chichester, and the boroughs of Marcus Hook, and Trainer. Other communities included in the region are Linwood, Boothwyn, Ogden, and Twin Oaks.
The British East Mediterranean Relay Station was one of the most powerful broadcasting stations in Cyprus. The medium wave transmitters were situated south of Limassol west of Lady's Mile Beach on the area of Western Sovereign Base Area at 34°37′9″N33°0′5″E and used for relaying radio programmes to the Middle East area on 639 kHz and 720 kHz with 500 kW.
Grier City is a census-designated place located in Rush Township, Schuylkill County in the state of Pennsylvania, United States. Grier City was part of the Grier City-Park Crest CDP for the 2000 census, before splitting into two separate CDPs for the 2010 census, the other being Park Crest. The community is located off Interstate 81. As of the 2010 census, the population was 241 residents. As of the 2020 census, the population was 296 residents.