Astrophysics (index)

Ultra Low Frequency

(ULF)
(electromagnetic radiation, frequency 300Hz to 3kHz)

Ultra Low Frequency (ULF) is Electromagnetic Radiation (EMR) with Wavelength in the range of 300Hz to 3kHz. It is considered within the lower-Frequency end of the Radio spectrum, or beyond (Subradio). It is adjacent to Super Low Frequency (SLF) and Very Low Frequency (VLF).


(EMR,spectrum,band)
http://en.wikipedia.org/wiki/Ultra_low_frequency
WaveLFreqPhoton
Energy
  
100km3kHz12peVbeginUltra Low Frequency
999km300Hz1.3peVendUltra Low Frequency

Referenced by:
Super Low Frequency (SLF)
Subradio
Very Low Frequency (VLF)

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