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BRadar & sensors
Russian radar system, consisting of the Kasta 2E1, Kasta 2E2 and their supporting equipment
Measured figures
Configuration
| Specification | COBRA (radar) | Kasta 2E |
|---|---|---|
| Role | Counter-battery radar system[source] | Russian radar system, consisting of the Kasta 2E1, Kasta 2E2 and their supporting equipment[source] |
| Origin reported by inventory | France United Kingdom United States[source]Inventory Origin column; table 24, row 38, cell 2; revision 1377349156; retrieved 2026-10-02 | — |
| Country of origin | — | Soviet Union[source] |
| Manufacturer | — | Almaz-Antey[source] |
| Designer |
UHF
Single source830-882 MHz ( UHF )[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
VNIIRT[source] |
| Introduced | — | 1989[source] |
|---|
| Type | — | Target acquisition[source] |
|---|
| Beamwidth | — | 8° (horizontal)[source] |
|---|
| RPM | — | 6-12RPM[source] |
|---|
| Altitude | — | 6 km (3.7 mi)[source] |
|---|
| Azimuth | — | 360º[source] |
|---|
| Precision | — | 450 m (1,480 ft), 100' (1.7°)[source] |
|---|
| Other names | — | Flat Face-E , 51U6 ( GRAU index), Kasta 2-1, Casta 2E1, Cyrillic : 51У6[source] |
|---|
| Source measurement | — | The Kasta 2E was developed originally by the Soviet Union . Its primary objective is to overcome deficiencies or to satisfy the demand in low-level surveillance. Both radar types can be triggered with either equal or opposed phases. Both antenna types can optionally be mounted on a standard 50 meter pylon. This arrangement causes a displacement of the radar horizon which in turn increases the detection altitude up to 6 km at a distance of 150 km.[source]Kasta 2E · Development; only the objects and conditions stated in this passage |
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