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2. Marine radar - Wikipedia

   en.wikipedia.org/wiki/Marine_radar

   Marine radar. Animation of typical rotating X band marine radar antenna on ship. It radiates a narrow vertical fan-shaped beam of microwaves perpendicular to the long axis of the antenna, horizontally out to the horizon. With each rotation the beam scans the surrounding surface. Any ships or obstructions reflect microwaves back to the antenna ...

3. Sea-based X-band Radar - Wikipedia

   en.wikipedia.org/wiki/Sea-based_X-band_Radar

   The Sea-Based X-Band Radar (SBX-1) is a floating, self-propelled, mobile active electronically scanned array early-warning radar station designed to operate in high winds and heavy seas. It was developed as part of the United States Department of Defense Missile Defense Agency's (MDA) Ballistic Missile Defense System.

4. Slot antenna - Wikipedia

   en.wikipedia.org/wiki/Slot_antenna

   Slotted array UHF television broadcasting antenna. As shown by H. G. Booker in 1946, from Babinet's principle in optics a slot in a metal plate or waveguide has the same radiation pattern as a driven rod antenna whose rod is the same shape as the slot, with the exception that the electric field and magnetic field directions are interchanged; the antenna is a magnetic dipole instead of an ...

5. Antenna types - Wikipedia

   en.wikipedia.org/wiki/Antenna_types

   Linear slot antennas emit narrow fan-shaped beams. Used as UHF broadcast antennas and marine radar antennas. Lens A lens antenna is made from a layer of dielectric, or a metal screen, or multiple waveguide structure of varying thickness, mounted in front of a feed antenna.

6. AN/TPS-80 Ground/Air Task Oriented Radar - Wikipedia

   en.wikipedia.org/.../Air_Task_Oriented_Radar

   G/ATOR. The AN/TPS-80 Ground/Air Task Oriented Radar (G/ATOR) is the United States Marine Corps next-generation Air Surveillance/ Air Defense and Air Traffic Control (ATC) Radar. The mobile active electronically scanned array radar system is being developed by Northrop Grumman and was expected to reach initial operating capability in August 2016.

7. List of radar types - Wikipedia

   en.wikipedia.org/wiki/List_of_radar_types

   Marine radars are used by ships for collision avoidance and navigation purposes. The frequency band of radar used on most ships is X band (9 GHz/3 cm), but S band (3 GHz/10 cm) radar is also installed on most oceangoing ships to provide better detection of ships in rough sea and heavy rain condition.