Q. Clearance signals can be transmitted from the same array antenna as the localizer signal.

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Q. What is the type of glide slope that depends on the reflection of signals by the ground?

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Q. What is the radiation pattern of the marker beacons?

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Q. What is the main weakness of the ILS system?

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Q. What does the MLS use to overcome the weakness of ILS system?

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Q. Which of the following is not one of the basic components of the MLS system?

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Q. Why is a back azimuth station used in some MLS?

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Q. What is the number of channels in the MLS system?

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Q. Which of the following determines the required transmission power in MLS?

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Q. Using an audio tone to encode angles is an efficient method.

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Q. What is the typical scanning rate of the MLS antenna?

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Q. MLS ESA works on the principle of phase shifting.

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Q. Which of the following is not a reason for not using the basic GPS for landing systems?

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Q. Which of the following is supplemented with GPS to provide non-precision and Category I approaches?

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Q. Which of the following is not true with respect to WAAS?

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Q. Which of the following is required to support Category II and III with DGPS?

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Q. Which of the following errors are not rectified by LDGPS?

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Q. The DME station can supply integrity warnings.

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Q. The accuracy of the SPS code solution is satisfactory for precision approaches.

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Q. The pilot has no other option than to use FLOLS to land the aircraft.

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