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2. Marine radar - Wikipedia

   en.wikipedia.org/wiki/Marine_radar

   Commercial marine radar display. Land areas are shown in yellow, and vessel tracks are displayed with green "tails" on the screen. Marine radar systems can provide very useful radar navigation information for navigators on board ships. The ship's position could be fixed by the bearing and distance information of a fixed, reliable target on the ...

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. List of radars - Wikipedia

   en.wikipedia.org/wiki/List_of_radars

   AN/SPS-55 2D surface search radar [52] AN/APS-57 Small boats navigational radar by Ridge Electronics. [53] AN/SPS-58 Low altitude 2D air search radar [52] AN/SPS-59 Military designation for the LN-66 short-range navigation radar manufactured by Marconi of Canada. In service in many US Navy ships as well as in the SH-2F LAMPS I ASW helicopter.

5. List of ground-based radars used by the United States Marine ...

   en.wikipedia.org/wiki/List_of_ground-based...

   This is an incomplete list of ground-based radars operated by the United States Marine Corps since the service first started utilizing radars in 1940. [1] The Marine Corps' has used ground-based radars for anti-aircraft artillery fire control, long range early warning, Ground-controlled interception (GCI), ground directed bombing, counter-battery radar, short-range cueing for man-portable air ...

6. Mini-automatic radar plotting aid - Wikipedia

   en.wikipedia.org/wiki/Mini-automatic_radar...

   Mini-automatic radar plotting aid (or MARPA) is a maritime radar feature for target tracking and collision avoidance. Targets must be manually selected, but are then tracked automatically, including range, bearing, target speed, target direction (course), CPA (closest point of approach), and TCPA (time of closest point of approach), safe or dangerous indication, and proximity alarm.

7. Automatic radar plotting aid - Wikipedia

   en.wikipedia.org/wiki/Automatic_radar_plotting_aid

   A typical shipboard ARPA/radar system. A marine radar with automatic radar plotting aid (ARPA) capability can create tracks using radar contacts. [1] [2] The system can calculate the tracked object's course, speed and closest point of approach [3] (CPA), thereby knowing if there is a danger of collision with the other ship or landmass.