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  2. Sea-based X-band Radar - Wikipedia

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

    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.

  3. NEXRAD - Wikipedia

    en.wikipedia.org/wiki/NEXRAD

    NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...

  4. 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 ...

  5. Coastal ocean dynamics applications radar - Wikipedia

    en.wikipedia.org/wiki/Coastal_ocean_dynamics...

    The sweeping, diagonal line is the CODAR signal. Coastal ocean dynamics applications radar (CODAR) is a type of portable, land-based, high frequency (HF) radar developed between 1973 and 1983 at NOAA 's Wave Propagation Laboratory in Boulder, Colorado. CODAR is a noninvasive system that can measure and map near-surface ocean currents in coastal ...

  6. Nebo-SVU - Wikipedia

    en.wikipedia.org/wiki/Nebo-SVU

    The Nebo-SVU (also known as 1L119) (in Cyrillic: Небо-СВУ, 1Л119) is a very high frequency (VHF) multi-functional radar and the first radar with an active electronically scanned array (AESA) antenna operating at meter wavelengths. The radar was introduced in 2001 as a replacement for the Nebo-SV. It can locate aircraft and other flying ...

  7. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. Seaspray (radar) - Wikipedia

    en.wikipedia.org/wiki/Seaspray_(radar)

    Seaspray is a monopulse radar that produces 90 kW in the I band (formerly known as the X-band). The semi-parabolic reflector was made of lightweight foam with a wire mesh to make the system as light as possible. The system scanned 180° in azimuth by rotating the reflector and feed horn together and scanned vertically by moving the reflector ...

  9. Radar navigation - Wikipedia

    en.wikipedia.org/wiki/Radar_navigation

    Radar ranges and bearings can be very useful for navigation. Radar navigation is the utilization of marine and aviation radar systems for vessel and aircraft navigation.When a craft is within radar range of land or special radar aids to navigation, the navigator can take distances and angular bearings to charted objects and use these to establish arcs of position and lines of position on a ...