AN/APS-111
Description of the radar set, tactical-technical characteristics
Figure 1: E2B with AN/APS-111 rotodome
| Specifications | |
|---|---|
| frequency: | 400 … 450 MHz
(UHF-band) |
| pulse repetition time (PRT): | |
| pulse repetition frequency (PRF): | 300 Hz |
| pulsewidth (τ): | 13 µs |
| receiving time: | |
| dead time: | |
| peak power: | 1 MW |
| average power: | 3 900 W |
| instrumented range: | 250 NM (≙ 460 km) |
| range resolution: | 30 m |
| accuracy: | |
| beamwidth: | 7° |
| hits per scan: | |
| antenna rotation: | 6 rpm |
| MTBCF: | |
| MTTR: | |
AN/APS-111
AN/APS-111 was operating in the UHF-band fully coherent airborne early warning radar. It was a modification of the AN/APS-96 and provides improved definition of approaching aircraft and reduction of ground clutter. The radar signal processing provides pulse compression to a pulse length of 0.2 µs.
The AN/APS-111 was in service between 1965 and 1967. It was not produced in quantity but served as a prototype for the AN/APS-120, which was used in the type E2C AEW aircraft.