Topic: Radio Propagation
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Answers to Common Questions
What is radio-wave propagation?
( ′rād·ē·ō ¦wāv ′präp·ə′gā·shən ) (electromagnetism) The transfer of energy through space by electromagnetic radiation at radio frequencies. Read More »
Source: http://www.answers.com/topic/radio-wave-propagation
What is meant by repeaters in radio wave propagation?
Radio Masts an Satellites The frequencies in the high part of the spectrum from the VHF band and higher can only work line of sight, so the receiver have to see the antenna of the transmitter whatever the power of the transmitter, not like ... Read More »
Source: http://wiki.answers.com/Q/What_is_meant_by_repeaters_in_radio_wav...
Why does radio wave not require a medium to propagate?
It's pure energy. The term wave is left over from the time that it was thought that a medium might exist (the eather). i.e. before Einstein and photons. Read More »
Source: http://wiki.answers.com/Q/Why_does_radio_wave_not_require_a_mediu...
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Radio Propagation
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Answers to Other Common Questions
I assume you want to know why communication in space uses only radio. The reason is that there is nothing else. Sound cannot travel through a vacuum, as it requires a fluid medium (or even solid) such as air or water. The vacuum of space ha...
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Source: http://wiki.answers.com/Q/Why_do_you_use_only_radio_waves_in_spac...
Just exactly like ripples in a pond. Moving outwards from the source in all directions, with the frequency getting longer with distance from the origin. Being reflected and refracted by surfaces, obstructions, and different media along the ...
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Source: http://answers.yahoo.com/question/index?qid=20071207193836AAQTTGO
Radio is the wireless transmission of signals, by modulation of electromagnetic waves with frequencies below those of light. Radio propagation is a term used to explain how radio waves behave when they are transmitted, or are propagated fro...
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Source: http://answers.yahoo.com/question/index?qid=1006040706296
"Google will help you find articles of your themes": http://www.google.com/search?q=radio-wav… "Ask Google for books": http://www.google.com/search?q=%22books.… Cheers ebs
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Source: http://answers.yahoo.com/question/index?qid=20111005070022AAiyJTI
More information would help. Radio propagation depends on frequency. Some frequencies bend around the horizon. Some bounce off the ionosphere. Some are line of sight only. And of course power level is important, as is antenna type and locat...
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Source: http://answers.yahoo.com/question/index?qid=20080821092422AAUNbEA
The propagation of waves is one of the many fascinating physical phenomena explored in 'modern' physics. An electromagnetic wave (radio wave) can be defined as the oscillation of a magnetic field and an electric field perpendicular to each ...
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Source: http://answers.yahoo.com/question/index?qid=20081017235955AAc6n8t
