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Much of the site is devoted to the enormous overhead wire antenna array that is necessary to efficiently radiate the VLF waves. The antenna, shown above, consists of ten catenary cables, 5,640–8,700 ft (1,719–2,652 m, 1.1–1.6 miles) long, suspended in a zigzag pattern over the valley between Wheeler mountain and Blue mountain on twelve 200 ft. towers on the mountains' crests.
The station's current antenna was built in 1972; it consists of two guyed masts, each 458.11 metres (1503 feet) tall, which are configured as umbrella antennas. They are fed by an overhead cable, fixed to a tall mast at one end, and at the opposite end to a smaller grounded mast near the helix building via an insulator.
Besides broadcast messages, Coast Guard stations handle direct traffic between aircraft, cutters, boats, and shore stations on VHF, MF, and HF frequencies, including the HF Data Link encrypted e-mail system and Digital Selective Calling (DSC), which uses radio telephone to send digitally encrypted signals to either one receiver or a group or ...
Naval Communication Station Harold E. Holt; U.S. Naval Facility Keflavik, Iceland; Naval Radio Transmitter Facility Aguada; Naval Radio Transmitter Facility Grindavik; Naval Radio Transmitter Facility LaMoure; Naval Radio Transmitter Facility Niscemi; Naval Security Group Activity, Winter Harbor; Naval Station San Miguel
Naval Radio Transmitter Facility Aguada is a tall guyed radio mast erected by the United States Navy. It is used as a facility of the US Navy for ashore and U.S. and NATO ships, planes, and submarines operating at sea in areas of broadcast coverage near Aguada, Puerto Rico at 18°23′55″N 67°10′38″W / 18.39861°N 67.17722°W ...
These procedures signals were used in connection with unenciphered US Navy call signs or combined call signs as appropriate. All transmissions of BAMS messages between naval authorities must carry appropriate procedures signals except where messages are transmitted to radio stations for broadcast where no intermediate relaying station is involved.
WUNA (1480 AM) is a radio station licensed to Ocoee, Florida, United States, serving the Orlando area. The station is currently owned by Jesús and Virgen Torrado, through licensee J & V Communications Inc. and airs programming in Haitian Creole branded as "Radio Haiti Tropical". The studios and transmitter site are located on Bluford Avenue in ...
The Free Radio Cafe focuses on pirate radio stations broadcasting from North America and Europe, with forums for loggings, QSLs, shortwave and FM broadcasting. FRC welcomes new members. Radio Free New York is a detailed history of some Brooklyn NYC-area AM and FM pirate radio stations from the 1970s to today.]