radio window


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radio window

See atmospheric windows.

radio window

[′rād·ē·ō ‚win·dō]
(geophysics)
A band of frequencies extending from about 6 to 30,000 megahertz, in which radiation from the outer universe can enter and travel through the atmosphere of the earth.
References in periodicals archive ?
[3] Radio window: Typically with radio, as frequencies increase so does atmospheric absorption, thereby attenuating the signal so that it can carry less.
This gem in the Sword of Orion has been observed at every wavelength from the lowest-energy photons in the radio window to the X-ray band.