46th independent Radio-Technical Unit

46-й отдельный радиотехнический узел

Military Unit: 03908

Activated 1960 in Michelevka, Irkutsk Oblast.

Consists of complex OS-1 (Satellite Detection-1) with initially four 5N15 Dnestr (NATO: dual Hen House) radars, with a fifth 5N15M (Dnestr-M) added later. While the main fuction was satellite detection, the fifth radar's function was early warning against missile attack.

Contruction of the first four nodes (radars) began in the spring of 1964. The fifth node (radar) was added by decision on 29.6.67.

• Node 1 (52 52 29N, 103 15 39E) - modernized to 5N15M while building - accepted into service in 1970 - from 1976(?) upgraded to 5N86 (Dnepr), and went on alert duty in 1979 - still in service

• Node 2 (52 52 54N, 103 15 58E) - modernized to 5N15M while building - accepted into service in 1970 - went off duty in the 1990's

• Node 3 (52 52 54N, 103 15 29E) - accepted into service in 1968 - went off duty in the 1990's

• Node 4 (52 52 33N, 103 15 24E) - accepted into service in 1968 - went off duty in the 1990's

• Node 5 (52 52 40N, 103 16 23E) - accepted into service in 1972 - upgraded to 5N86 (Dnepr), and was accepted into service 1976 - still in service

• Support area 1 (52 53 40N, 103 15 48E) - dismantled

• Support area 2 (52 54 00N, 103 16 52E)

• Support area 3 (52 53 26N, 103 17 29E)

Contruction of the 90N6 Daryal-U radar (NATO: Pechora) (one transmitter and one receiver) began in 2.82. The radar site was completed in 1992, and installation of equipment began, but all work stopped in 1994. The radar site was dismantled 23.6.2011.

• Daryal-U transmitter (52 51 21N, 103 13 55E) - dismantled

• Daryal-U receiver (52 51 43N, 103 14 22E) - dismantled

• Support area (52 52 07N, 103 13 51E) - dismantled

The old 5N86 Dnepr radars will be replaced by the new 77Ya-6DM (Voronezh-DM) radar, contruction which have not begun yet.

Subordinated:

• ?

• 1st administration for introductions of systems PRN and PKO, 1.1.67 - 1972

• 2nd independent Division for Space Reconnaissance of Special Designation, 1972 - 1977

• 1st Missile Attack Early Warning Division, 1977 - 2009

• 820th Missile Attack Early Warning Main Center, 2009 - today