Tuesday, March 31, 2009

THE RADIO FREQUENCY SPECTRUM

FREQUENCY RANGE CLASSIFICATION

3 - 30 kilohertz Very low frequencies (VLF)

30 - 300 kilohertz The long wave band (LW)

300 - 3000 kilohertz (3 megahertz) The medium wave band (MW)

3 - 30 megahertz The short wave band (SW)

30 - 300 megahertz Very high frequency band (VHF)

300 - 3000 (3 gigahertz) Ultra high frequency band (UHF)

3 gigahertz - 30 gigahertz Super high frequency band (SHF)

300 - 3000 gigahertz Microwave frequencies

Higher in frequency than this are infra red, visible light, ultra violet, X rays etc which are all forms of Electro Magnetic radiation.

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