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2. Radio masts and towers - Wikipedia

   en.wikipedia.org/wiki/Radio_masts_and_towers

   The antenna used for broadcasting through the 1920s was the T-antenna, which consisted of two masts with loading wires on top, strung between them, requiring twice the construction costs and land area of a single mast. [2] (pp 77–78) In 1924 Stuart Ballantine published two historic papers which led to the development of the single mast antenna.

3. Naval Radio Transmitter Facility Aguada - Wikipedia

   en.wikipedia.org/wiki/Naval_Radio_Transmitter...

   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 ...

4. Category:Radio masts and towers - Wikipedia

   en.wikipedia.org/wiki/Category:Radio_masts_and...

   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.

5. Antenna types - Wikipedia

   en.wikipedia.org/wiki/Antenna_types

   [f] The Windom antenna is popular because it has all of the advantages of an ordinary dipole, but functions well on almost twice as many shortwave frequencies as an identical sized center-fed dipole. The price for the extra working frequencies is the needed to match a feed impedance 5–7 times higher than the standard 50 Ohm transmitter impedance.

6. Mast radiator - Wikipedia

   en.wikipedia.org/wiki/Mast_radiator

   The pointed lower end of the antenna ended in a large ceramic insulator in the form of a ball-and-socket joint on a concrete base, relieving bending moments on the structure. The first, a 200-meter (665 ft) half-wave mast was installed at radio station WABC's 50 kW Wayne, New Jersey transmitter in 1931.

7. List of tallest structures in the United States by height

   en.wikipedia.org/wiki/List_of_tallest_structures...

   Guyed Mast 610.5 m: KGLK-FM Lake Jackson Tower: Lake Jackson, Texas: Guyed Mast 610 m: Petronius Platform: Gulf of Mexico: Oil Platform approx. 75 meters visible above water surface 609.6 m: KCAU TV Tower: Sioux City, Iowa: Guyed Mast 609.6 m KATV Tower: Redfield, Arkansas: Guyed Mast collapsed on January 11, 2008 609.6 m WECT TV6 Tower: Colly ...