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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. Television antenna - Wikipedia

   en.wikipedia.org/wiki/Television_antenna

   Outdoor antennas provide up to a 15 dB gain in signal strength and 15-20 dB greater rejection of ghost signals in analog TV. [6] Combined with a signal increase of 14 dB due to height and 11 dB due to lack of attenuating building walls, an outdoor antenna can result in a signal strength increase of up to 40 dB at the TV receiver.

4. Cut the Cord! The 9 Best TV Antennas Let You Enjoy Free TV ...

   www.aol.com/lifestyle/cut-cord-9-best-tv...

   Buy: RCA Outdoor Yagi Satellite HD TV Antenna $54.04 (orig. $79.99) 32% OFF . 3. Best Buy Essentials Amplified Ultra-Thin Film Indoor HDTV Antenna

5. Antenna types - Wikipedia

   en.wikipedia.org/wiki/Antenna_types

   A discone is exceptionally wideband, offering a frequency range ratio of up to approximately 10:1 , over three octaves above the antenna's lowest frequency, but otherwise only functions just as well as other quarter-wave monopoles: It is omnidirectional, vertically polarized, equally efficient as a monopole, and has gain similar to a ground ...

6. Transmitter station - Wikipedia

   en.wikipedia.org/wiki/Transmitter_station

   They all have masts or towers to install antenna systems. In most cases, the mast is a passive structure to support the antennas. But in low frequency stations (such as AM radio), the mast itself may be the active antenna element. In such cases, the mast is isolated from the ground.(See Monopole antenna). If the mast itself is an active antenna ...

7. 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.