Q. Why was the frequency channel used by the GLONASS shifted down after 2005?

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Q. L1 and L2 signals are both contain PRN and navigational data.

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Q. How are the ephemeris data broadcast in GLONASS?

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Q. What are the frequency channels that GLONASS use as a technical channel?

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Q. GLONASS time and GPS time follows leap the second correction.

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Q. What is the spectral separation between each satellite L2 signal in the GLONASS?

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Q. GLONASS time is related to which of the following?

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Q. What does the accelerometer measure?

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Q. What is the output given by an accelerometer if the instrument is accelerated upward with an acceleration of 7g?

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Q. Which accelerometer uses torquer coil and pick off supported by a flexure to measure acceleration?

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Q. In flexure pivot accelerometer, the torque current is a measure of acceleration.

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Q. Why do accelerometers that include fluid damping exhibit reduced damping?

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Q. An accelerometer can only measure acceleration in one direction?

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Q. Which of the following is true with respect to flexure pivot accelerometers?

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Q. Which of the following conditions cause rectification of vibration inputs?

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Q. What does silicon accelerometers use for proof mass sensing and for rebalancing?

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Q. Which type of rebalancing technique use voltage applied to pendulum and electrode for correction?

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Q. What is the purpose of a gyro in an inertial navigation system?

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Q. What is the range of an order of angular rate magnitude that gyros used in military planes need?

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Q. Why are unfloated instruments with ball bearings not suitable for air navigation?

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