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An inertial navigation system (INS; also inertial guidance system, inertial instrument) is a navigation device that uses motion sensors (accelerometers), rotation sensors and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (direction and speed of movement) of a moving object without the ...
GPS/INS is commonly used on aircraft for navigation purposes. Using GPS/INS allows for smoother position and velocity estimates that can be provided at a sampling rate faster than the GPS receiver. This also allows for accurate estimation of the aircraft attitude (roll, pitch, and yaw) [citation needed] angles.
The GPS system space segment is composed of 24 to 32 satellites in medium Earth orbit at an altitude of approximately 20,200 km (12,600 mi). The satellites are in six specific orbits and transmit highly accurate time and satellite location information which can be used to derive distances and calculate position.
Very basic programs like this may not be suitable for road navigation in cars, but serve their purpose for navigation while walking or trekking, and for use at sea. To determine the GPS coordinates of a destination, one can use sites such as GPScoordinates.eu and GPS visualizer. Some software presented here is free, but maps may need to be paid ...
In the early 1980s a further upgrade led to the F-104S ASA version which kept the original LN-3; but the ASA-M version of the '90s was equipped with the LN-30A2 inertial navigation system. [14] The LN-4 is a miniature inertial system for "a manned orbital vehicle" [15] The LN-5 is a (1963)"state of the art experimentation astro-inertial system ...
Passive Detection System (PDS), Electronic support measures, direction finding: E-2C Hawkeye [70] [71] AN/ALR-76: Radar Warning Receiver (RWR) replacing the AN/ALR-47 [72] S-3 Viking, Lockheed EP-3: AN/ALR-94: Self-protection Electronic Warfare (EW) system, detects and responds to surface and airborne threats: F-22 Raptor [73] Sanders ...