Fan Song
The SNR-75 (also referred to by the NATO reporting name Fan Song) is a series of trailer-mounted E band/F band and G band fire control and tracking radars for use with the Soviet SA-2 Guideline surface-to-air missile system.
 Egyptian Fan Song E | |
| Country of origin |  Soviet Union |
|---|---|
| Type | Fire control & tracking |
| Frequency | E/F band, G band [1] |
| PRF | search: 828-1,440 Hz; track: 1,656-2,880 Hz (G band) [1] |
| Beamwidth | 10x2deg (E/F band); 7.5x1.5deg (G band) [1] |
| Pulsewidth | 0.4-1.2 μs (G band) [1] |
| Range | 60-120 km (E/F band); 75-145 km (G band) [1] |
| Power | 600 kW (E/F band); 1.0 MW (G band) [1] |
Description
The Fan Song radars are capable of tracking a single target at a time, and can guide up to three missiles at once to it. The radars feature two orthogonal antennas, one for azimuth and one for elevation, which can operate in a track-while-scan mode. These antennas transmit 10 × 2 degree or 7.5 x 1.5 degree beams and perform a 'flapping' motion as they scan their sectors.[1][2]
The Fan Song E includes two additional parabolic dishes for narrow beam and LORO tracking modes.[3]
References
- "FAN SONG". GlobalSecurity.org. 2006-04-22. Retrieved 2010-06-01.
- "'Fan Song' missile control radars (Russian Federation)". Jane's Information Group. Archived from the original on 2011-08-15. Retrieved 2010-06-01.
- "Missile Control Radar "Fan Song E" (PW S-75 "Wolchow")". Radar Tutorial.
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