Pechora Radar Station ( rus, Печорская радиолокационная станция, Pechorskaya radiolokatsionnaya stantsiya) is an

early warning radar An early-warning radar is any radar system used primarily for the long-range detection of its targets, i.e., allowing defences to be alerted as ''early'' as possible before the intruder reaches its target, giving the air defences the maximum t ...

near

Pechora Pechora (russian: Печо́ра; kv, Печӧра, ''Pećöra'') is a town in the Komi Republic, Russia, located on the Pechora River, west of and near the northern Ural Mountains. The area of the town is . Population: History Pechora was ...

in the

Komi Republic The Komi Republic (russian: Республика Коми; kv, Коми Республика), sometimes simply referred to as Komi, is a republic of Russia located in Eastern Europe. Its capital is the city of Syktyvkar. The population of th ...

, northern

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

. It is a key part of the Russian early warning system against missile attack and was built by the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

, becoming operational in 1984. It is run by the

Russian Aerospace Defence Forces The Russian Aerospace Defence Forces (VVKO) ( rus, Войска воздушно-космической обороны (ВВКО), Voyska vozdushno-kosmicheskoy oborony (VVKO)) was a branch of the Armed Forces of the Russian Federation respons ...

Daryal radar overview

Pechora is a

Daryal radar The Daryal-type radar () (NATO: Pechora) is a Soviet bistatic early-warning radar. It consists of two separate large active phased-array antennas separated by around to . The transmitter array is and the receiver is in size. The system is a ...

, a bistatic passive electronically scanned array

consisting of two separate large

phased-array In antenna theory, a phased array usually means an electronically scanned array, a computer-controlled array of antennas which creates a beam of radio waves that can be electronically steered to point in different directions without moving th ...

antennas separated by around to . The transmitter array is and the receiver is in size. The system is a VHF system operating at a

wavelength In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats. It is the distance between consecutive corresponding points of the same phase on the wave, such as two adjacent crests, t ...

of 1.5 to 2 meters (150 to 200 MHz). The claimed range of a Daryal installation is . Originally, at least seven Daryal facilities were planned, however, only the first two facilities completed, Pechora and Gabala, were ever operational. Two Daryal-U type were to be built at sites in Balkhash and Mishelevka, Irkutsk; neither were completed. The US Clinton administration offered financial assistance in completing the Mishelevka facility in exchange for amending the ABM treaty to allow US deployment of a

national missile defense National missile defense (NMD) is a generic term for a type of missile defense intended to shield an entire country against incoming missiles, such as intercontinental ballistic missile (ICBMs) or other ballistic missiles. This is also used ...

system. Russia rejected this proposal and in 2002 the US unilaterally withdrew from the ABM treaty. Two Daryal-UM systems were to be constructed in

Skrunda Skrunda (; german: Schrunden) is a town in the Courland region of Latvia. It lies 150 km (95 mi) west of the capital city Riga in Kuldīga Municipality. History The historical sources first mentioned Skrunda (german: Schrunden) in th ...

, Latvia and

Mukachevo Mukachevo ( uk, Мукачево, ; hu, Munkács; see name section) is a city in the valley of the Latorica river in Zakarpattia Oblast (province), in Western Ukraine. Serving as the administrative center of Mukachevo Raion (district), the city ...

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...

. The Mukachevo one in Ukraine was never completed after the fall of the Soviet Union and the Skrunda facility was turned over to Latvia to be demolished. The

Yeniseysk Yeniseysk ( rus, Енисейск, p=jɪnʲɪˈsʲejsk) is a town in Krasnoyarsk Krai, Russia, located on the Yenisei River. Population: 20,000 (1970). History Yeniseysk was founded in 1619 as a stockaded town—the first town on the Yenise ...

(

Krasnoyarsk Krasnoyarsk ( ; rus, Красноя́рск, a=Ru-Красноярск2.ogg, p=krəsnɐˈjarsk) (in semantic translation - Red Ravine City) is the largest city and administrative center of Krasnoyarsk Krai, Russia. It is situated along the Yeni ...

) Daryal-U site caused concern in the west over compliance with the

Anti-Ballistic Missile Treaty The Anti-Ballistic Missile Treaty (ABM Treaty or ABMT) (1972–2002) was an arms control treaty between the United States and the Soviet Union on the limitation of the anti-ballistic missile (ABM) systems used in defending areas against ballisti ...

during its construction in the 1980s. Following years of negotiations, in September 1989 the Soviets admitted it was a violation of the treaty, construction ceased and the facility was eventually dismantled.

References

{{Ru missile attack Russian Space Forces Russian and Soviet military radars Military installations of Russia Military installations of the Soviet Union