AN/FPS-56
Description of the radar set, tactical-technical characteristics
Figure 1: AN/FPS-56 used the same antenna as the AN/FPS-31, but with a modified horn radiator.
| Specifications | |
|---|---|
| frequency: | L-Band |
| pulse repetition time (PRT): | |
| pulse repetition frequency (PRF): | 200 … 400 Hz |
| pulsewidth (τ): | |
| receiving time: | |
| dead time: | |
| peak power: | |
| average power: | |
| instrumented range: | 200 NM (≙ 370 km) |
| range resolution: | |
| accuracy: | |
| beamwidth: | |
| hits per scan: | |
| antenna rotation: | |
| MTBCF: | |
| MTTR: | |
AN/FPS-56
AN/FPS-56 is operating in the L-Band target acquisition radar for air defense. It was developed for use with Nike Hercules units.
The radar consisted of a basic AN/FPS-36 radar which was equipped with a second transmitter and a second receiver that operate on different frequencies on a common antenna. The reflector of the antenna had dimensions of 40 × 11 feet (12 × 3.3 m). A modification with additional ECCM circuits led to the designation AN/FPS-61. This radar was then fitted with coupling equipment for the Nike Hercules system and named AN/FPS-69.
All Versions were fitted with a secondary radar of type AN/TPX-26. The interrogator set performs the ground station functions of an identification friend or foe (IFF) system.