Digitised version of earlier analog system. Includes many improvementst that make the original 1RL131 not really fit for purpose in the more modern scenarios. Is being marketed as ant-stealth.
Sources state that min range is 500m, so thats where the 3.33 uSec blind time (eclipsing) is from.
bostonmyk
commented
2 years ago
DB Selector
DB3K
Baseline
1L131
Hypothetical
No
Name
1L131-2 'Prima'
Sensor Generation
Late 2000s
Range (nm)
189
Sensor Capabilities
Air Search, Range Information, Speed Information, Heading Information
Sensor Codes
Identification Friend or Foe (IFF) [Side Info], Moving Target Indicator (MTI), Pulse-Only Radar
Search/Track Frequencies
A Band (30-250 MHz) [Old P Band (HF)] 100-300 cm
Lower Frequency (Hz)
No response
Upper Frequency (Hz)
No response
Scan Interval (s)
6 RPM
Target Altitude (ft)
No response
Horizontal Beamwidth (deg)
No response
Vertical Beamwidth (deg)
No response
System Noise Level (dB)
No response
Processing Gain/Loss (dB)
No response
Peak Power (W)
No response
Pulse Width (μs)
No response
Blind Time (μs)
3.33
PRF (Hz)
No response
Source Level (dB)
No response
Pulse Length (ms)
No response
TASS/VDS Length (m)
No response
TASS/VDS Depth (m)
No response
Convergence Zones
No response
Comments
Digitised version of earlier analog system. Includes many improvementst that make the original 1RL131 not really fit for purpose in the more modern scenarios. Is being marketed as ant-stealth. Sources state that min range is 500m, so thats where the 3.33 uSec blind time (eclipsing) is from.
Sources
http://roe.ru/eng/catalog/air-defence-systems/radar-and-electro-optical-equipment-for-air-target-detection/P-18-2%20%281RL131-2%29/ https://www.globalsecurity.org/military/world/russia/spoon-rest-d.htm https://thaimilitaryandasianregion.blogspot.com/2020/11/rosoboronexport-to-start-exporting.html