Konstantynów (Płock County)

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Konstantynów is a village in Płock County, Masovian Voivodeship, Poland with population of 38 people.

From 1974 to 1991 the tallest structure mankind ever built stood here, the Warsaw radio mast. This mast was a 646.38 metre high guyed radio mast in steel-framework construction with triangular cross section with a side length of 4.8 metres and a weight of 420 tons. This mast was used for the 2000 kilowatt longwave transmitter of the Polish broadcasting authority as aerial and was therefore insulated against ground for a voltage of 120 kilovolts. It collapsed during renovation work on August 8th, 1991. Nobody was reported killed in this accident.