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Tremendously Low Frequency

(TLF)
(electromagnetic radiation, frequency below 3Hz)

Tremendously Low Frequency (TLF) radiation is Electromagnetic Radiation with a Frequency below 3Hz. It is generally beyond the typical lower-frequency limits placed on Radio, a range sometimes called Subradio. It is adjacent to (beyond) Extremely Low Frequency.


(EMR,spectrum,band)
http://en.wikipedia.org/wiki/Radio_spectrum
WaveLFreqPhoton
Energy
  
99930km3Hz12×10-15eVbeginTremendously Low Frequency
inf0Hz0eVendTremendously Low Frequency

Referenced by:
Extremely Low Frequency (ELF)
Radio
Subradio

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