- Types:
- show 8 types...
- hide 8 types...
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sky wave
a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface
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ground wave
a radio wave propagated on or near the earth's surface
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radio signal
a radio wave used to transmit and receive messages
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carrier, carrier wave
a radio wave that can be modulated in order to transmit a signal
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short wave
a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)
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medium wave
a radio wave with a wavelength between 100 and 1000 meters (a frequency between 300 kilohertz and 3000 kilohertz)
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long wave
a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
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ionospheric wave
a sky wave that is reflected by the ionosphere
