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2. Radio masts and towers - Wikipedia

   en.wikipedia.org/wiki/Radio_masts_and_towers

   Masts of the Rugby VLF transmitter near Rugby, England. By 1930 the expense of the T-antenna led broadcasters to adopt the mast radiator antenna, in which the metal structure of the mast itself functions as the antenna. [2] (pp 79–81) One of the first types used was the diamond cantilever or Blaw-Knox tower.

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. BTR-D - Wikipedia

   en.wikipedia.org/wiki/BTR-D

   BMD-1R "Sinitsa" (R stands for radiostantsiya – signals vehicle) – A division-level command and signals vehicle equipped with a R-161A2M radio set, one heavy telescopic antenna mast stowed along the left hand side of the roof of the hull and one slim elevatable antenna mast on the rear right hand side of the roof of the personnel ...

5. 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.

6. Antenna types - Wikipedia

   en.wikipedia.org/wiki/Antenna_types

   A horn antenna has a flaring metal horn attached to a waveguide. It is a simple antenna with moderate gain of 15 to 25 dBi, used for applications such as radar guns, radiometers, and as feed antennas for parabolic dishes. Slot Consists of a waveguide with one or more slots cut in it to emit the microwaves. Linear slot antennas emit narrow fan ...

7. Blaw-Knox tower - Wikipedia

   en.wikipedia.org/wiki/Blaw-Knox_tower

   The diamond-shaped tower was patented by Nicholas Gerten and Ralph Jenner for Blaw-Knox July 29, 1930. [5] and was one of the first mast radiators.[1] [6] Previous antennas for medium and longwave broadcasting usually consisted of wires strung between masts, but in the Blaw-Knox antenna, as in modern AM broadcasting mast radiators, the metal mast structure functioned as the antenna. [1]