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Qadir (Almighty) over-the-horizon [OTH] radar

Ghadir radar system typenamelattitudelongitude
Sepehr (Sky)Dasht Arjan 2937'02"N5202'36"E
Sepehr (Sky)Qamchqay3604'08"N4730'38"E
Qadir [Almighty]Ahwaz31.473020N48.581924E
Qadir [Almighty]Nur Ed Dinabad, Garmasar 35.133561N52.469442E

Iran has purchased at least four Rezonas-N VHF over-the-horizon backscatter air defense radars from Russia. These have been constructed in two variants. The larger Sepehr [Sky] radars are formed in a quadrilateral antenna array about 100 meters on a side, with very tall transmitter towers on the corners. The Qadir [Almighty] radars are smaller quadrilateral antenna arrays, rather less than 70 meters on a side and nearly filled with buildings, with a single central tall transmitter tower. The Sepehr are rather more elaborate in appearance, in extremely isolated locations, while the Qadir are simple stations, plopped down in rural farmland. Between them all, they seem to provide extensive coverage of South West Asia, with overlapping coverage of Iranian airspace.

Ghadir radar systemThe domestically-manufactured Qadir radar system, designed by IRGC's Aerospace Division, is capable of detecting targets with a very small cross section from a long distance. The system enjoys a direct range of 1,100 kilometers (more than 680 miles) and can be used to detect different types of aircraft as well as ballistic missiles. Qadir falls in the category of long-range three-dimensional radar systems. For the first time on the fringe of the great missile propaganda of the Great Prophet -6 in July 2011, Iran announced the existence of a long-range radar with a range of 1,100 km and an altitude of 300 km. In the above exercise, Kadir radar was subjected to operational testing after the completion of the prototype and prototype prototype, and after completion of several recent years, the official launch and introduction of this 3-D performance radar in June 2017.

Irans first long-range (1,100 kilometer) radar Ghadir was introduced in 2012 and according to the Islamic Revolution Guards Corps (IRGC) Aerospace Commander Brigadier General Amir Ali Hajizadeh, it has been mass-produced ever since. Qadir radar with phased array technology is fixed and fixed. The radar consists of a set of antennas mounted on a high-altitude metal mast and four lateral sections (a factor) surrounding it that form the sides of a square. Central antenna antennas The radar is a type of system that is used in radar with long wavelengths.

Each side section of the radar, which is a perpendicular to the ground, has a 90-degree coating on the side, with a height of 20 and a length of 44 meters. On each of these sections, 128 antennas are mounted in a matrix with 16 columns and 8 rows, which in total has a radar with 512 antennas of this type. The sum of these antennas, with their array performance, provides superior features of the phased array radar for the high-end.

In the context of the frequency band of the radar, it should be recalled that HF, VHF and UHF frequencies are used to detect targets at long distances. Because of the nature of their long-wavelengths, these frequency bands are less accurate than shorter wavelengths, but achieve high-range performance, as well as the role of "early warning" for air defense assemblies. In addition, these frequency bands are highly capable of detecting low-level radar cross-sections (RCS) due to the inability of materials used in these aircrafts to absorb long wavelengths.

Anti-radar missiles are rather unlikely to trace and destroy Iran's new phased array radar system, Qadir, Commander of Khatam ol-Anbia Air Defense Base Brigadier General Farzad Esmayeeli said on Monday.

"Qadir can stand well against electronic warfare systems, and there is a very small chance for their discovery and destruction by anti-radar missiles," Esmayeeli told reporters on the sidelines of a ceremony held to mark the launch of operation by Iran's new phased array radar system, Qadir in Tehran 02 June 2014. "The radar system uses a system which resonates the frequency and can trace targets more than 1,000km in distance," the General said, adding that Qadir "has been built and deployed by the research center of the IRGC Aerospace Force's Self-Sufficiency unit". Stressing that the radar can monitor the space over all the borders of the country, Esmayeeli said, "Qadir radar system detects incoming missiles in depth and before they approach Iran's borders."

The first Qadir system was unveiled in the city of Garmsar in the central province of Semnan in June 2014. Iran's Islamic Revolution Guards Corps (IRGC) launched a long-rangeradar system in the southwest of the country to enhance its air defense capabilities.The second Qadir radar system was put into service in Iran's southwestern city of Ahwaz on 07 July 2015. At that time, the third system was scheduled to be unveiled in the near future.

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