AN/SPN-23
Description of the radar set, tactical-technical characteristics
Figure 1: AN/SPN-23
| Specifications | |
|---|---|
| frequency: | 9 345 … 9 405 MHz
(X-Band) |
| pulse repetition time (PRT): | |
| pulse repetition frequency (PRF): | 1 000 Hz |
| pulsewidth (τ): | 0.2 or 0.45 µs |
| receiving time: | |
| dead time: | |
| peak power: | 7 … 10 kW |
| average power: | |
| instrumented range: | 20 NM (≙ 37 km) |
| range resolution: | |
| accuracy: | 2%; 2° |
| beamwidth: | 1.8° |
| hits per scan: | |
| antenna rotation: | 15 rpm |
| MTBCF: | |
| MTTR: | |
AN/SPN-23
AN/SPN-23 (manufacturer’s designation: Model 320 Radar) was an operating in the X-Band surface surveillance and navigation radar. When used on minesweepers, the radar was designated AN/SPS-36.
The antenna was a 1 m wide waveguide slot antenna. Bearing angle and distance were displayed on a PPI scope with 7 inch diameter at scales of 1, 2, 5, 10, and 20 nautical miles.
The radar was launched around 1957.
Source:
- Military Standardisation Handbook TM 11-487C-1/MIL-HDBK-162A, Band 1, P. 1195 … 1197