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2. Radio masts and towers - Wikipedia

   en.wikipedia.org/wiki/Radio_masts_and_towers

   Blaw-Knox towers Those few of the towers still standing do the opposite: They have a guyed lower section surmounted by a freestanding part. Zendstation Smilde is a tall tower with a guyed mast on top with guys which go to ground. Torre de Collserola is a guyed tower with a guyed mast on top where the tower portion is not free-standing.

3. Guyed mast - Wikipedia

   en.wikipedia.org/wiki/Guyed_mast

   In such cases the antennas for directional radio services are mounted on the top of the free-standing part of the tower, while the guyed mast on its top carry the FM and TV antennas. They can be also used in order to upgrade small stable towers (like watertowers) with a long antenna mast for FM and TV broadcasting.

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

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

   World Radio Tower Santa Maria: Santa Maria, Texas: Guyed Mast 360.3 m Richland Towers Tower Atlanta: Atlanta, Georgia Guyed Mast 360 m Trinity Broadcasting Tower Oklahoma: Oklahoma City, Oklahoma Guyed Mast 359.1 m Prairie Public Broadcasting Tower: Amenia, North Dakota: Guyed Mast 358.7 m Cox Radio Tower Security: Security, Texas: Guyed Mast ...

5. List of tallest freestanding structures - Wikipedia

   en.wikipedia.org/wiki/List_of_tallest...

   Concrete tower Observation, UHF/VHF-transmission Germany Frankfurt/Main Chimney of Power Station Westerholt: 337 1,106 1981 Chimney Power station Germany Gelsenkirchen, North Rhine-Westphalia Demolished on 3 December 2006. Tallest free-standing structure ever demolished in a controlled manner. The Marina Torch: 336.1 1,105 2011 Skyscraper

6. Hellissandur longwave radio mast - Wikipedia

   en.wikipedia.org/wiki/Hellissandur_longwave...

   The LORAN-C scheme closed in 1994. In 1991, the original RÚV 1930 longwave transmitter tower at Vatnsendi (near Reykjavík) collapsed. As the Hellissandur mast was free for use, it was converted for use by RÚV (The Icelandic National Broadcasting Service) for its longwave transmissions on 189 kHz at a power of 300 kilowatts in the 1997. [2] [3]

7. Mast radiator - Wikipedia

   en.wikipedia.org/wiki/Mast_radiator

   A mast radiator (or radiating tower) is a radio mast or tower in which the metal structure itself is energized and functions as an antenna. This design, first used widely in the 1930s, is commonly used for transmitting antennas operating at low frequencies , in the LF and MF bands, in particular those used for AM radio broadcasting stations.