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Boomerang, a gunfire locator, being used by British forces in Afghanistan Shooting Detector Diagram. A gunfire locator or gunshot detection system is a system that detects and conveys the location of gunfire or other weapon fire using acoustic, vibration, optical, or potentially other types of sensors, as well as a combination of such sensors.
2200, 2300, 2400 US: Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. US: Also for use in oceanic airspace unless another code is assigned by ATC. [3] US: External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.) [3] 2500, 2600, 2700 US
RFinder ("repeater finder") is a subscription-based website and mobile app. RFinder's main service is the World Wide Repeater Directory ( WWRD ), which is a directory of amateur radio repeaters . RFinder is the official repeater directory of several amateur radio associations.
ShotSpotter was founded by Robert Showen in the 1990s while he was working for SRI International.He created a company in 1996 and tested prototypes in Redwood City, California.
A position sensor is a sensor that detects an object's position. A position sensor may indicate the absolute position of the object (its location) or its relative position (displacement) in terms of linear travel, rotational angle or three-dimensional space. Common types of position sensors include the following: Capacitive displacement sensor
SDC Verifier (Structural Design Codes Verifier) is a commercial structural design and finite element analysis software with a calculation core for checking structures according to different standards, either predefined or self programmed, and final report generation with all checks. The goal is to automate routine work and speed up a ...
A number of types of detecting technology can be employed by such instruments, including use of magnetic fields, radio frequencies, signal generation, metal detectors, ground-penetrating radar and RFID. [2] Cable locator tool in use with spray marking can for marking location Survey marking
Open Location Code is a way of encoding location into a form that is easier to use than showing coordinates in the usual form of latitude and longitude. Plus codes are designed to be used like street addresses and may be especially useful in places where there is no formal system to identify buildings, such as street names, house numbers, and ...