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Satellite Radio Navigation & Inertial Navigation topics include: Orbital mechanics, clock characteristics, satellite signals atmospheric effects, navstar gps, global orbiting navigational satellite system, accelerometer, gyroscopes, strap down and gimballed inertial navigation systems.
Satellite navigation is a system that uses a network of artificial satellites to provide positioning anywhere in the world. It works by transmitting radio signals from satellites in medium earth orbit.
The Global Positioning System (GPS) is a space-based radio-navigation system that uses satellite navigation. GPS is owned by the U.S. government and operated by the US Air Force. It consists of a constellation of satellites, ground stations, and satellite control stations. GPS can pinpoint a three-dimensional position and time to the 10-nanosecond level, worldwide and 24/7. Satellite navigation systems use electronic receivers to calculate a user's position, including latitude, longitude, and height from mean sea level. Satellite navigation systems also provide route guidance by guiding drivers along the best route to a destination.
An inertial navigation system (INS) is a self-contained navigation device that uses accelerometers and gyroscopes to track an object's position and orientation. An INS can also be coupled with a global navigation satellite system (GNSS) to provide more reliable information about a system's position, orientation, and velocity.
Related: Avionics Practice Test: Satellite Communication
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