Q. TEC in the ionosphere is a function of solar radiation.

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Q. Which of the following is true with respect to ionospheric scintillation effects?

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Q. The refractivity of the troposphere is not a function of ________

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Q. Which of the following is false with respect to GPS?

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Q. What is the approximate time taken by the GPS for one complete orbit?

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Q. What is the reason for sending two transmissions in the same band?

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Q. Which of the following position services provided by the GPS require crypto keys?

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Q. The intentional degradation of GPS signal in specific areas is called ________

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Q. Only L2 signal carries the encrypted precise code.

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Q. What is the number of GPS satellites used?

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Q. What type of antenna is used in GPS systems?

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Q. Which of the following is the latest block of GPS satellites?

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Q. What type of modulation is used in L1 Signal of the GPS?

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Q. How are GLONASS satellites differentiated from each other?

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Q. What type of antenna is used in GLONASS satellites?

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Q. What is the spectral separation between each satellite L1 signal in the GLONASS?

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Q. What are the frequency channels that GLONASS use for normal operation?

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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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