Avionics Atmospheric Effects Satellite Signals Online Exam Quiz
Avionics Atmospheric Effects Satellite Signals GK Quiz. Question and Answers related to Avionics Atmospheric Effects Satellite Signals. MCQ (Multiple Choice Questions with answers about Avionics Atmospheric Effects Satellite Signals
What is the increase in velocity of the signal by the ionosphere termed as?
Options
A : Differential velocity
B : Velocity advance
C : Phase advance
D : Signal advance
The refractivity of the troposphere is not a function of ________
Options
A : Frequency
B : Temperature
C : Pressure
D : Partial pressure of water vapour
Which of the following is true with respect to ionospheric scintillation effects?
Options
A : It causes signal fading
B : Occurs at the equatorial and polar regions
C : Occurs mostly at day
D : Occurs when high solar activity is present
How does troposphere affect the satellite signals?
Options
A : Reduces velocity
B : Reflects the signals
C : Refracts the signal
D : Bit inversion occurs
Which of the following makes the existence of ionosphere possible?
Options
A : Rotation of the Earth
B : Ultraviolet radiation from sun
C : Solar flares
D : Radiation from distant stars
TEC in the ionosphere is a function of solar radiation.
Options
A : True
B : False
C :
D :
Satellite signals are refracted by the ionosphere.
Options
A : True
B : False
C :
D :
What happens to the satellite signals as the density of the ionosphere is high?
Options
A : Velocity increases
B : Velocity decreases
C : Signal strength increases
D : Frequency reduces
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