The Russian 460 metres radio masts are among the most secret supertall structures ever built. Three such masts, which were developed b

were erected in mid-1980s near

Inta Inta (russian: Инта́, kv, Инта) is a town in the Komi Republic, Russia. Population: History Inta was founded circa 1940 as a settlement to support a geological expedition to explore coal deposits and projecting of mines. The city's n ...

Dudinka Dudinka (russian: Дуди́нка; Nenets: Тут'ын, ''Tutꜧyn'') is a town on the Yenisei River and the administrative center of Taymyrsky Dolgano-Nenetsky District of Krasnoyarsk Krai, Russia. It used to be the administrative center of Tay ...

and

Taymylyr Taymylyr (russian: Таймылыр; sah, Таймылыыр, translit=Taymılıır) is a rural locality (a '' selo'') and the administrative center of Tyumetinsky Rural Okrug of Bulunsky District in the Sakha Republic, Russia, located from Tik ...

as masts for the North Siberian

Chayka Chayka (russian: Чайка, lit. "seagull") also known as Radioteknicheskaya Systema Dalyoloiy Navigatsii abbreviated as RSDN (lit. Russian Hyperbolic Radio Navigation System) is a Russian terrestrial radio navigation system, similar to Loran ...

Chain for transmitting navigation signals on 100 kHz with 1200 kW. All these masts are grounded lattice structures of tubular steel elements with triangular cross section. The side length of the triangle of the mast body is 3.6 metres. Each of these masts is guyed in 6 levels. These masts were at completion the tallest structures in Asia and are still the second-tallest in Russia. In 2003 at Moscow Radio Centre 13 a guyed mast for FM-transmission of the same type was built, which is however just 300 metres and not 460 metres tall. It is guyed in 4 levels. On September 24th, 2009 the mast at

was demolished by explosives, which was the tallest object ever demolished in this way.

External links

* http://ru-abandoned.livejournal.com/713371.html * https://web.archive.org/web/20110816150649/http://www.internavigation.ru/page.phtml?p=95 {{coord missing, Russia Towers in Russia Radio masts and towers Towers built in the Soviet Union Radio in the Soviet Union