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Radio masts and towers support antennas (also known as aerials) for telecommunications and broadcasting, including television. Subcategories This category has the following 4 subcategories, out of 4 total.
A mast radiator or mast antenna is a radio tower or mast in which the whole structure is an antenna. Mast antennas are the transmitting antennas typical for long or medium wave broadcasting. Structurally, the only difference is that some mast radiators require the mast base to be insulated from the ground.
The replacement tower is 160 m (about 500 ft) shorter than the original. KXVO and KPTM in Omaha (which are co-owned) have an FCC construction permit to build a taller tower that would put their antennas 577 m (roughly 1,900 ft) up. There was also a 2,000 ft (610 m) tall mast at Hemingford, which collapsed in 2002
Whip antennas for portable radios are often made of a series of interlocking telescoping metal tubes, so they can be retracted when not in use. Longer whips, made for mounting on vehicles and structures, are made of a flexible fiberglass rod around a wire core and can be up to 11 m (35 feet) long.
Omnidirectional antenna, 257 m high guyed lattice steel mast with cage antenna ( ARRT-antenna) 1,000 234 Radio 1 Russia: Krasny Bor transmitter near Sankt-Peterburg Omnidirectional aerial, 271.5 metres tall guyed mast with cage antenna 1200
Guyed masts are frequently used for radio masts and towers. The mast can either support radio antennas (for VHF, UHF and other microwave bands) mounted at its top, or the entire structure itself can function as a mast radiator antenna (for VLF, LF, MF). In the latter case, the mast needs to be insulated from the ground. Guyed radio masts are ...
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