Radio Navigationeasy#1161
An Inertial Navigation System (INS) measures:
A
Radio signals from ground stations
B
GPS satellite signals
C
Aircraft accelerations using accelerometers and integrates them to determine velocity and position
CorrectD
Magnetic field variations
Explanation
INS uses accelerometers to measure accelerations and gyroscopes to maintain a reference frame, double-integrating accelerations to derive velocity and position.
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