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Konstantynow Radio Mast
Maszt radiowy w Konstantynowie

Radiowe Centrum Nadawcze w Konstantynowie
Gabin Poland

Status:destroyed
Construction Dates
  Began1970
  Finished1974
  Destroyed1991
Building Uses
 - communication
Structural Types
 - guyed mast
Materials
 - steel

 Heights ValueSource / Comments 
Antenna2121 ftStructurae & Wikipedia
Guy level 51950 fthttp://www.inzynierbudownictwa.pl/images/stories/artykuly/technologie1/kon_lek_r05.jpg
Guy level 41581 ft-"-
Guy level 31179 ft-"-
Guy level 2843 ft-"-
Guy level 1400 ft-"-
Sea level-378 ft

Description
• Architect: Jan Polak
• Weight: 420 t
• Before its collapse on August 8, 1991 during a renovation, this was the world's tallest man-made construction. Mast is tallest structure that was ever destroyed.
• Distances of anchor blocks from the mast: 137.5 m, 257.5 m, 321.7 m, 377.2 m, 417.1 m
• The mast was equipped in 16 levels with air-traffic obstacle lights with 200 W power: 49.2, 94.2, 121.8, 161.7, 206.7, 256.8, 296.7, 341.7, 369.3, 409.2, 454.2, 481.8, 521.7, 566.7, 594.3, 634.2 meters.
Further on its pinnacle, there were two blinking obstacle warning lights each with a power of 1000 W.
• In the lower half of the mast, there was a vertical steel tube, attached to the mast's outer structure with large insulators. This tube was grounded at the bottom, and connected electrically to the mast structure by an adjustable metal bar. The height of this connection was before transmission frequency changed from 227 kHz to 225 kHz 328.7 metres and afterwards 334.2 metres. The tube served as a static ground for the mast in order to conduct static charge to ground without diminishing the radio energy, as duct for the cables of the power supply of the elevator and the air-traffic obstacle lamps of the mast and for realization a better lightning protection, than just using a spark gap at the mast base.

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