www.radartutorial.eu www.radartutorial.eu Card Index of Radar Sets

1L122

Description of the radar set, tactical-technical characteristics

Figure 1: 1L122

Figure 1: 1L122

Specifications
frequency: L-Band
pulse repetition time (PRT):
pulse repetition frequency (PRF):
pulsewidth (τ):
receive time:
dead time:
peak power:
average power:
instrumented range: 40 km
range resolution:
accuracy: 100 m
beamwidth:
hits per scan:
antenna rotation: 15 or 30 rpm
MTBCF:
MTTR:

1L122

1L122 “Harmonium” (Cyrillic: 1Л122 «Гармонь») is operating in L-Band short-range air surveillance and target acquisition radar.

There are two different versions. The 1L122-1 version is a portable version with an antenna size of 1.2 × 0.8 m. It has a power consumption of 800 W at 28 V and is powered by an electric generator. The other version is designated 1L122-2, is mounted on a caterpillar chassis, has higher performance, and a larger antenna aperture with dimensions of 1.9 × 1.8 m.