Q. What is the line connecting the intersection of the orbital plane with the Earth’s equatorial plane called?

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Q. When the satellite crosses the equatorial plane from the southerly latitude to the northerly, the point is called descending node.

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Q. What is the number of independent constants required to specify the nominal orbit?

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Q. The line connecting the perigee and apogee is called as?

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Q. Which of the following is not one of the perturbations that make the satellite to vary from its elliptical path?

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Q. The clocks are important in satellite navigation as they are potential sources of error.

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Q. Differential GPS corrects for satellite errors.

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Q. How does troposphere affect the satellite signals?

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Q. Which of the following makes the existence of ionosphere possible?

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Q. Satellite signals are refracted by the ionosphere.

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Q. What happens to the satellite signals as the density of the ionosphere is high?

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Q. What is the increase in velocity of the signal by the ionosphere termed as?

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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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