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

Related Mcqs:

1. The normal altitude of GPS satellite is about________________?

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

2. The most widely used antenna in GPS is_______________?

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

3. For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is______________?

   A. Circular orbit
   B. Sun-synchronous orbit
   C. Near polar orbit
   D. None of these

4. 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

5. 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

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

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

7. 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

8. In GPS, receivers used are___________________?

   A. Electronic clocks
   B. Atomic clocks
   C. Quartz clocks
   D. Mechanical clocks

9. Orbital radius of GPS satellites is approximately ___________________?

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

10. Consider the following statements regarding the satellite imaging_________________?

    1. The satellite orbit is fixed in the inertial space
    2. During successive across-track imaging, the earth rotates beneath the sensor
    3. The satellite images a skewed area
    Which one of the following statements is/are correct?

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