In GPS, receivers used are___________________?

Related Mcqs:

1. The code based GPS receivers are generally used for_________________?

   A. Vehicle tracking
   B. Land navigation
   C. Trans movement
   D. All of these

2. Which one of the following statements is correct regarding the GPS satellites ?

   A. The nominal altitude is about 20,200 km
   B. The inclination of axis satellite is 55°
   C. The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)
   D. All of these

3. The various stages occuring in GPS system are described below ?

   1. Generation of an output to the user
   2. Detection of the GPS signals
   3. Processing the data in the built-in-computer
   4. Decoding the GPS signal

   The correct sequence of the stages is?

   A. 1, 2, 3, 4
   B. 2, 3, 4, 1
   C. 2, 4, 3, 1
   D. 3, 1, 2 , 4

4. The normal altitude of GPS satellite is about________________?

   A. 16,200 km
   B. 20,200 km
   C. 24,400 km
   D. 36,100 km

5. Which one of the following residual biases involves the GPS accuracy ?

   A. Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
   B. Receiver -dependent biases due to clock stability with line
   C. Signal propagation biases due to the sphere and troposphere propagation
   D. All the above

6. The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is_______________?

   A. 8
   B. 12
   C. 16
   D. 24

7. The most widely used antenna in GPS is_______________?

   A. Parabolic antenna
   B. Microstrip antenna
   C. Horn antenna
   D. Slotted antenna

8. Orbital radius of GPS satellites is approximately ___________________?

   A. 15,200 km
   B. 26,600 km
   C. 18,400 km
   D. 36,000 km

9. Pick up the correct statement from the following ?

   A. For the same feature, the photograph taken from the satellite vertically above the aircraft, the height displacement is lesser than the aerial photograph
   B. The scale of the aerial photograph depends upon the scale of the topography
   C. The feature at the principal point has no height displacement
   D. All of the above

10. A passive sensor uses ________________?

    A. Sun as the source of energy
    B. Flash light as a source of energ
    C. Its own source of energy
    D. None of these