SURA
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The '''Sura Ionospheric Heating Facility''', located near the small town of [[Vasilsursk]] about 100 km eastward from [[Nizhniy Novgorod]] in [[Russia]], is a [[laboratory]] for [[ionosphere]] research. Sura is capable of radiating about 190 [[watt|MW]], [[effective radiated power]] (ERP) on short waves. This facility is operated by the radiophysical research institute [[NIRFI]] in Nizhny Novgorod. The Sura facility was commissioned in 1981. Using this facility, Russian researchers studied the behaviour of the ionosphere and the effect of generation of low-frequency emission on modulation of ionosphere current. In the beginning, the Soviet Defense Department mostly footed the bill. The American [[HAARP]] [[ionospheric heater]] is similar to the Sura facility. The [[HAARP]] project began in 1993. | The '''Sura Ionospheric Heating Facility''', located near the small town of [[Vasilsursk]] about 100 km eastward from [[Nizhniy Novgorod]] in [[Russia]], is a [[laboratory]] for [[ionosphere]] research. Sura is capable of radiating about 190 [[watt|MW]], [[effective radiated power]] (ERP) on short waves. This facility is operated by the radiophysical research institute [[NIRFI]] in Nizhny Novgorod. The Sura facility was commissioned in 1981. Using this facility, Russian researchers studied the behaviour of the ionosphere and the effect of generation of low-frequency emission on modulation of ionosphere current. In the beginning, the Soviet Defense Department mostly footed the bill. The American [[HAARP]] [[ionospheric heater]] is similar to the Sura facility. The [[HAARP]] project began in 1993. | ||
Versione delle 16:21, 28 dic 2009
The Sura Ionospheric Heating Facility, located near the small town of Vasilsursk about 100 km eastward from Nizhniy Novgorod in Russia, is a laboratory for ionosphere research. Sura is capable of radiating about 190 MW, effective radiated power (ERP) on short waves. This facility is operated by the radiophysical research institute NIRFI in Nizhny Novgorod. The Sura facility was commissioned in 1981. Using this facility, Russian researchers studied the behaviour of the ionosphere and the effect of generation of low-frequency emission on modulation of ionosphere current. In the beginning, the Soviet Defense Department mostly footed the bill. The American HAARP ionospheric heater is similar to the Sura facility. The HAARP project began in 1993.
Technical information
The frequency range of the heating facility is from 4.5 to 9.3 MHz. The facility consists of three 250 kW broadcasting transmitters and a 144 crossed dipole antenna-array with dimensions of 300 m x 300 m.
At the middle of the operating frequency range (4.5 – 9.3 MHz) a maximum zenith gain of about 260 (~24 dB) is reached, the ERP of the facility is 190 MW (~83 dbW).
External links
- http://www.dailymail.co.uk/news/worldnews/article-1234430/Mystery-spiral-blue-light-display-hovers-Norway.html possible weapons test
- http://sura.nirfi.sci-nnov.ru/Photogalery/Photogalery.html pictures of the facility
- http://www.copernicus.org/EGU/annales/15/ag15/935.pdf (see page 2)
- http://sura.nirfi.sci-nnov.ru/indexe.html further information in Russian
- http://english.pravda.ru/science/19/94/379/16227_hurricanes.html
- http://esapub.esrin.esa.it/pff/pffv5n4/kloov5n4.htm
