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Questions and Answers
What is the advantage of sky propagation in terms of distance and power?
What is the advantage of sky propagation in terms of distance and power?
Allows for greater distances with lower output power
What is the layer of atmosphere where particles exist as ions?
What is the layer of atmosphere where particles exist as ions?
Ionosphere
In which type of propagation are very high-frequency signals transmitted in straight lines directly from antenna to antenna?
In which type of propagation are very high-frequency signals transmitted in straight lines directly from antenna to antenna?
Line-of-sight propagation
What are the two key requirements for antennas in line-of-sight propagation?
What are the two key requirements for antennas in line-of-sight propagation?
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What is the frequency range for electromagnetic waves called radio waves?
What is the frequency range for electromagnetic waves called radio waves?
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What property of radio waves allows them to be received by any antenna without alignment?
What property of radio waves allows them to be received by any antenna without alignment?
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What can interfere with radio waves transmitted by one antenna using the same frequency?
What can interfere with radio waves transmitted by one antenna using the same frequency?
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Why are radio waves a good candidate for long-distance broadcasting?
Why are radio waves a good candidate for long-distance broadcasting?
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What characteristic allows low and medium frequency radio waves to penetrate walls?
What characteristic allows low and medium frequency radio waves to penetrate walls?
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What type of waves are transmitted in sky propagation?
What type of waves are transmitted in sky propagation?
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