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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.
Garmin BaseCamp is a map viewing / GIS software package offered free for download by Garmin, primarily intended for use with their GPS navigation devices. BaseCamp serves as a replacement to the now unsupported Garmin MapSource.
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.
When several targets are present, the radar tracker aims to provide one track for each target, with the track history often being used to indicate where the target has come from. When multiple radar systems are connected to a single reporting post, a multiradar tracker is often used to monitor the updates from all of the radars and form tracks ...
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 ...
Garmin Tech Center (台灣國際航電科技大樓) is the head office of Garmin (Asia) Corporation and located in the Xizhi District of New Taipei City, Taiwan. In 2010, Garmin opened a facility in Cary, North Carolina as part of the Research Triangle Park. [91] Garmin operates in several other countries besides the UK, USA, and Taiwan. [92]
Automatic target recognition (ATR) is the ability for an algorithm or device to recognize targets or other objects based on data obtained from sensors.. Target recognition was initially done by using an audible representation of the received signal, where a trained operator who would decipher that sound to classify the target illuminated by the radar.
The Mod 1 system used in PHMs (retired) and the US Coast Guard's WMEC and WHEC ships can track one air or surface target using the monopulse tracker and two surface or shore targets. Oliver Hazard Perry-class frigates with the Mod 2 system can track an additional air or surface target using the Separate Track Illuminating Radar (STIR). [63]