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| View Original: | KBRC AM radio antenna tower.JPG (1456x1881) | |||
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| Keywords: KBRC AM radio antenna tower.JPG Antenna tower of AM radio station KBRC located in Mount Vernon Washington state USA It currently broadcasts on 1430 kHz with a power of only one kilowatt This common type of broadcasting antenna is a quarter-wave mast radiator ; the 200 ft 61 m tower itself is connected to the radio transmitter and serves as the radiating element The base of the antenna is supported on a sturdy ceramic insulator which isolates it from the ground The separate sections of the tower are tied together electrically at the joints by copper strips visible at bottom to ensure it is a continuous conductor The supporting guy wires are insulated where they attach to the tower by porcelain strain insulators The full antenna array consists of two identical towers fed 55° out of phase to create a directional pattern own 2010-05-26 Chetvorno I Chetvorno the author of this image release it into the public domain for any use whatever Radio towers in Washington state | ||||
