AN/SPS-46
Naval Radar
Official Photo
Basic Information
Name
AN/SPS-46
Designation
—
Alternate Designation
—
Equipment Type
Naval Radar
Manufacturer
Lavoie Laboratories
Date of Introduction
—
Description
The AN/SPS-46 is an X-band naval radar system manufactured by Lavoie Laboratories, designed for surface search and navigation on watercraft. Operating within a frequency range of 9,345 to 9,405 MHz, it utilizes a keyed power oscillator transmitter with a peak power of 7 kW. Its 48.5-inch (1.23 m) cut paraboloidal reflector, fed by a waveguide horn, produces a 2.2-degree fan beam with 15 degrees of vertical coverage, rotating at 18 rpm. The radar offers pulse repetition frequencies of 1,500 Hz or 750 Hz, pulsewidths of 0.2 µs or 0.4 µs, and an instrumented range of 33 miles (51 km).
Naval & Littoral Specifications
Range
17.8 nm
Technical Characteristics
frequency
9 345 … 9 405 (X band)
pulse repetition frequency (PRF)
1 500 Hz, 750 Hz
pulsewidth (τ)
0.2 µs, 0.4 µs
peak power
7 kW
instrumented range
33 mi (≙ 51 km)
beamwidth
2.2°
antenna rotation
18 rpm
Details
Category
Sea Based Sensors
Naval > Sea Based Sensors
Sources
radartutorial.eu: https://www.radartutorial.eu/19.kartei/07.naval/karte045.en.html
Classification
Domain
Naval & Littoral
Equipment Status
Active
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