Category

Radio spectrum

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ultra high frequency

the 300–3000 MHz (or up to 1000 MHz, according to IEEE) range of the electromagnetic spectrum

1977 narrowband radio signal from SETI

very high frequency

the 30–300 MHz range of the electromagnetic spectrum

shortwave radio

radio broadcasting using radiowaves with wavelengths between 10 to 100 meters, and frequencies between 3 to 30 megahertz

radio frequency

electromagnetic frequencies ranging from 3 kHz to 300 GHz

extremely high frequency

the 30–300 GHz range of the electromagnetic spectrum

super high frequency

the 3–30 GHz range of the electromagnetic spectrum

extremely low frequency

the 3–30 Hz range of the electromagnetic spectrum

very low frequency

the 3–30 kHz range of the electromagnetic spectrum

the 30–300 kHz range of the electromagnetic spectrum

radio-frequency engineering

specialty of electronic engineering

the 3–30 MHz range of the electromagnetic spectrum

part of the electromagnetic spectrum from 3 Hz to 3000 GHz (3 THz) which includes those frequencies used in radio communication or radar

Template:Radio spectrum

Wikimedia navigational template

super-low frequency

the 30–300 Hz range of the electromagnetic spectrum

ultra-low frequency

the 300–3000 Hz range of the electromagnetic spectrum

spectral density

relative importance of certain frequencies in a composite signal

medium frequency

the 300–3000 kHz range of the electromagnetic spectrum

Radio source SHGb02+14a

SHGb02+14a is an astronomical radio source and a candidate in the Search for Extra-Terrestrial Intelligence (SETI), discovered in March 2003 by SETI@home and announced in New Scientist on September 1, 2004.

microwave auditory effect

Concept in human perception of sound

Luxemburg–Gorky effect

digital dividend after digital television transition

range of radio frequencies

spectrum auction

government auction of radio spectrum

frequency allocation

allocation and regulation of the electromagnetic spectrum into radio frequency bands

technique used to minimize interference between frequency bands

obsolete designation for radio frequencies from 250 to 500 MHz

radio spectrum pollution

straying of waves in the radio and electromagnetic spectrums outside their allocations that cause problems for some activities, of particular concern to radio astronomers

radio frequency band from 3 to 4 GHz

obsolete radio frequency band from 8 to 10 GHz

obsolete radio frequency band from 10 to 20 GHz

obsolete designation for radio frequencies from 60 to 100 GHz

digital broadcasting

radio frequency broadcasting technique