P-80 “Altai”
Description of the radar set, tactical-technical characteristics
Figure 1: P-80
| Specifications | |
|---|---|
| frequency: | 2 060 … 2 690 MHz
(S-Band) |
| pulse repetition time (PRT): | |
| pulse repetition frequency (PRF): | |
| pulsewidth (τ): | |
| receiving time: | |
| dead time: | |
| peak power: | |
| average power: | |
| instrumented range: | 360 km |
| range resolution: | 1 000 m |
| accuracy: | |
| beamwidth: | 1° |
| hits per scan: | |
| antenna rotation: | 6 or 12 min⁻¹ |
| MTBCF: | |
| MTTR: | |
P-80 “Altai”
P-80 “Altai” (Russian designator: 1RL-118, Cyrillic: РЛС П-80 «Алтай», 1РЛ-118) is operating in the S-Band air surveillance radar for detection of air targets, targeting fighters and anti-aircraft missiles.
It sometimes considered 3D radar because one of the antennas was electrically adjustable in the tilt, although only quite slowly (10 s from one stop to the other). Practically this was only usable to search the airspace with a slightly different angle of incidence during each rotation. Therefore this radar station was operated as a pure 2D radar with several PRV-11 height finders in combination.
The radar was developed in the mid 1950s and became operational in 1962. This antenna configuration became the model for many other radars, like K-66 or MR-310, MR-320. The radar was replaced by the ST-68 from 1968 on.