Topic: Radio Wave 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 Wave 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
Frequency of waves is the number of waves that created per second. The frequency is also the number of waves that past a point per second.
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Source: http://answers.ask.com/Science/Physics/what_is_the_frequency_of_r...
Oddly enough, radio waves have the same speed as light. These electromagnetic waves travel at 300 000 000 m/s or exactly 299 792 500 m/s
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Source: http://answers.ask.com/Science/Physics/what_is_the_speed_of_radio...
Radio waves form naturally on planets & universe. For communication purpose, they are made using electronic oscillating circuit & antenna.
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Source: http://answers.ask.com/Science/Physics/how_are_radio_waves_made
Radio Waves can be produced in various ways. In industrial electronic communication applications, oscillator circuit is used to make them.
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Source: http://answers.ask.com/Science/Physics/how_are_radio_waves_produc...
