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Description of the radar set, tactical-technical characteristics

Figure 1: AN/FPS-8

frequency: 1 280 … 1 380 MHz
pulse repetition time (PRT):
pulse repetition frequency (PRF): 360 Hz
pulsewidth (τ): 3 µs
receiving time:
dead time:
peak power: 1 MW
average power: 1,1 kW
instrumented range: 220 NM (≙ 410 km)
range resolution: ¼ nautical mile, ±0,5 degrees
accuracy: 900 m, ±0,5°
beamwidth: 2.5 degrees
hits per scan:
antenna rotation: 0 to 10 rpm.


AN/FPS-8 is a medium power D-band search radar designed for aircraft control and early warning, and is installed at commercial airports and military bases both in the United States and overseas.

In most installations the antenna is exposed, being mounted on a temperate tower. For severe environmental conditions, the AN/FPS-8 is self-contained in an arctic tower with a protective radome. Over the years improvements have been made to the basic AN/FPS-8, culminating in the present version whose nomenclature is AN/FPS-88 (V). The AN/FPS-8 also has two mobile versions: the AN/MPS-11 and the AN/MPS-11A.

The AN/FPS-8 is currently operational in a number of countries around the world. Over 200 produced. No longer in production.


Picture gallery of AN/MPS-11

Bild 2: AN/MPS-11

Bild 3: AN/MPS-11A in Taiwan