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
Related Mcqs:
- 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 - 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 signalThe 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 - The normal altitude of GPS satellite is about________________?
A. 16,200 km
B. 20,200 km
C. 24,400 km
D. 36,100 km - The code based GPS receivers are generally used for_________________?
A. Vehicle tracking
B. Land navigation
C. Trans movement
D. All of these - The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is_______________?
A. 8
B. 12
C. 16
D. 24 - In GPS, receivers used are___________________?
A. Electronic clocks
B. Atomic clocks
C. Quartz clocks
D. Mechanical clocks - The most widely used antenna in GPS is_______________?
A. Parabolic antenna
B. Microstrip antenna
C. Horn antenna
D. Slotted antenna - Orbital radius of GPS satellites is approximately ___________________?
A. 15,200 km
B. 26,600 km
C. 18,400 km
D. 36,000 km - Which one of the following statement is incorrect regarding the electromagnetic radiation ?
A. These are produced by the motion of electric charge
B. The oscillation of charged particles sets up changing electric fields
C. The changing electric fields induce the changing magnetic fields in the surrounding medium
D. None of these - Pick up the correct statement from the following ?
A. The refractive index of a medium varies according to the wavelength of the radiation,
B. The variation of the refractive index with wave length, is called dispersion,
C. The splitting of colours of white light by passing through a prism is caused due to dispersion
D. All of these
