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2. 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.

3. 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.

4. Radar tracker - Wikipedia

   en.wikipedia.org/wiki/Radar_tracker

   A radar tracker is a component of a radar system, or an associated command and control (C2) system, that associates consecutive radar observations of the same target into tracks. It is particularly useful when the radar system is reporting data from several different targets or when it is necessary to combine the data from several different ...

5. Modification and Replacement Parts Association - Wikipedia

   en.wikipedia.org/wiki/Modification_and...

   MARPA's members include many air carriers from around the world. MARPA has an air carrier committee that remains quite active. [4] The committee was originally formed by MARPA Director Josh Abelson, and since then has been chaired by Cori Ferguson of Alaska Airlines (2006–2008), David Linebaugh of Delta Air Lines (2008–2011), Steve Jones of American Airlines (2011–2013), William Barrett ...

6. Bird hide - Wikipedia

   en.wikipedia.org/wiki/Bird_hide

   A bird hide (blind or bird blind in North America) is a shelter, often camouflaged, that is used to observe wildlife, especially birds, at close quarters. Although hides or hunting blinds were once built chiefly as hunting aids, they are now commonly found in parks and wetlands for the use of birdwatchers , ornithologists and other observers ...

7. 2 Under-the-Radar Stocks That Bargain-Hunting Investors ... - AOL

   www.aol.com/2-under-radar-stocks-bargain...

   In this video, Fool.com contributors Jon Quast and Matt Frankel discuss two under-the-radar stocks they love as long-term investments right now. *Stock prices used were the morning prices of Aug ...

8. US military targets Houthi radar sites in Yemen after a ...

   www.aol.com/news/us-military-targets-houthi...

   The United States military unleashed a wave of attacks targeting radar sites operated by Yemen's Houthi rebels over their assaults on shipping in the crucial Red Sea corridor, authorities said ...

9. Active Phased Array Radar - Wikipedia

   en.wikipedia.org/wiki/Active_Phased_Array_Radar

   The radar provides the following capabilities: air target tracking of over 200 targets out to 150 km [2] surface target tracking of over 150 targets out to 32 km [2] horizon search out to 75 km [2] "limited" volume search out to 150 km [2] (in order to back up the volume search capabilities of the SMART-L)