Rnav : Basic Radio Propagation
Authored by Sutharshan Ganesan
Professional Development
Professional Development
12 Questions
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1.
OPEN ENDED QUESTION
2 mins • 1 pt
What is the velocity of an electromagnetic wave?
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2.
OPEN ENDED QUESTION
2 mins • 1 pt
What is the amplitude of wave?
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3.
OPEN ENDED QUESTION
5 mins • 7 pts
What are the 8 Frequency bands and Frequencies of the different wavelengths including their propagation path?
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Answer explanation
kHz
VLF = 3 - 3O (ground wave)
LF = 30 - 300 (ground wave)
MF = 300 - 3000 (ground wave)
MHz
HF = 3 - 30 (sky wave)
VHF = 30 - 300 (direct wave)
UHF = 300 - 3000 (direct wave)
GHz
SHF = 3 - 30 (direct wave)
EHF = 30 - 300
4.
OPEN ENDED QUESTION
2 mins • 1 pt
What are the formulas to calculate Wavelength and Frequency?
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5.
OPEN ENDED QUESTION
2 mins • 1 pt
What is the velocity of the radiowave in Km/s , m/s and in NM/S?
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6.
OPEN ENDED QUESTION
2 mins • 1 pt
What is the wavelength of an NDB transmitting on 375kHz?
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7.
OPEN ENDED QUESTION
2 mins • 1 pt
What type of modulation is N0N?
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