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Country of Origin: USA


This is an I-band surface search and navigation radar to replace the widely used C-band SPS-10.

Because it operates in the I-band, the SPS-55 avoids interfering with C-band missile target trackers. It also tracks low-flying aircraft and helicopters.

The antenna is composed of two end-fed slotted waveguide arrays arranged back to back and squint-compensated. Antenna polarization can be either linear or circular, the latter to screen out rain echoes. Sidelobes are approximately...

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