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  2. AN/SPY-3 - Wikipedia

    en.wikipedia.org/wiki/AN/SPY-3

    Diagram of AN/SPY-3 vertical electronic pencil beam radar conex projections. X band functionality (8 to 12 GHz frequency range) is optimal for minimizing low-altitude propagation effects, narrow beam width for best tracking accuracy, wide frequency bandwidth for effective target discrimination, and the target illumination for SM-2 and Evolved Sea Sparrow Missiles (ESSM).

  3. SCR-602 - Wikipedia

    en.wikipedia.org/wiki/SCR-602

    The SCR-602 (Set Complete Radio model 602) also known as the AN/TPS-3, was a mobile, lightweight, medium-range, early-warning radar utilized by the United States and its allies during World War II. The radar was originally designed for use during the initial stages of an amphibious assault or military operation where its lightweight relative to ...

  4. Pulse-repetition frequency - Wikipedia

    en.wikipedia.org/wiki/Pulse-repetition_frequency

    For example, an L band radar system using a PRF of 10 kHz with a duty cycle of 3.3% can identify true range to a distance of 450 km (30 * C / 10,000 km/s). This is the instrumented range . Unambiguous velocity is 1,500 m/s (3,300 mile/hour).

  5. Plessey AR-3D - Wikipedia

    en.wikipedia.org/wiki/Plessey_AR-3D

    The AR-3D was a military air traffic control and early warning radar developed by Plessey and first produced in 1975. It used a pencil beam and simple frequency scanning system known as "squint scan" to produce a low-cost 3D radar system that was also relatively mobile.

  6. Saugatuck Gap Filler Radar Annex - Wikipedia

    en.wikipedia.org/wiki/Saugatuck_Gap_Filler_Radar...

    Saugatuck's original AN/FPS-14 radar was commissioned in mid-1958 and operated until it was replaced with a more capable AN/FPS-18 in 1963. The FPS-18 radar served continuously until the site was decommissioned early in 1968. The city of Saugatuck purchased the building, tower, and radar equipment from the Air Force in 1969.

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