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Frequency-wavelength relations for free space

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Frequency-wavelength relations for free space

Band Name

Cosmic rays
Frequency Range: Greater that 10+20
Free Space Wavelength, m: Less than 10-12
Gamma rays
Frequency Range: 3x 10+20 to 3x 10+19
Free Space Wavelength, m: 10-12 to 10-11
X-rays 
Frequency Range: 3x 10+19 to 3x 10+18
Free Space Wavelength, m: 10-11 to 10-10
Ultraviolet 
Frequency Range: 3x 10+18 to 7x 10+14
Free Space Wavelength, m:10-10 to 4.3x 10-7
Visible light 
Frequency Range: 7x 10+14 to 4x 10+14
Free Space Wavelength, m:4.3x 10-7 to 7.5x 10-7
Infrared 
Frequency Range: 4x 10+14 to 300 GHz
Free Space Wavelength, m:7.5x 10-7 to 10-3
EHF (extra high) 
Frequency Range: 300 GHz to 30 GHz
Free Space Wavelength, m:10-3 to 10-2
SHF (super high) 
Frequency Range: 30 GHz to 3 GHz
Free Space Wavelength, m:10-2 to 10-1
UHF (ultra high) 
Frequency Range: 3 GHz to 300 MHz
Free Space Wavelength, m:10-1 to 1
VHF (very high) 
Frequency Range: 300 MHz to 30 MHz
Free Space Wavelength, m: 1 to 10
HF (high) 
Frequency Range: 30 MHz to 3 MHz
Free Space Wavelength, m: 10 to 100
MF (middle) 
Frequency Range: 3 MHz to 300 kHz
Free Space Wavelength, m: 10+2 to 10+3
LF (low) 
Frequency Range: 300 kHz to 30 kHz
Free Space Wavelength, m: 10+3 to 10+4
VLF (very low) 
Frequency Range: 30 kHz to 3 kHz
Free Space Wavelength, m: 10+4 to 10+5
ULF (ultra low) 
Frequency Range: Less than 3 kHz
Free Space Wavelength, m: Greater than 10+5


References

Noteworthy papers in OnePetro

External links

See also