n radio communication,?skywave?or skip refers to thepropagation?of radio?waves?reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere.
118) In sky wave propagation the ionosphere
Answer is:
reflects the radiated signal
Explanation:
Related Electronic Devices and Communication MCQ with Answers
Answer is:
few MHz up to 30 to 40 MHz
Explanation:
The?sky waves?are the radiowaves of frequency between 2 MHz to 30 MHz. These radio waves canpropagate?through atmosphere and are reflected back
Answer is:
Line of sight communication or satellite communication
Explanation:
The radio?waves?having high frequencies are basically called as?space waves. These?waves?have the ability to?propagate?through atmosphere, from transmitter antenna to receiver antenna. These?waves?can travel directly or can travel after reflecting from earth's surface to the troposphere surface of earth.
Answer is:
increase the height of both transmitting and receiving towers
Explanation:
To increase the range of line of sight communication increase the height of both transmitting and receiving towers
Answer is:
45.5 km
Explanation:
A transmitting antenna at the top of a tower has a height 32 m and the height of the receiving antenna is 50 m. the maximum distance is 45.5km