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VLF

English
Very Low Frequency | Frequencies (*): 3kHz-30kHz

Sources and Uses

  • Antennas for wireless communication with submarines (above the water) (**)
  • Navigation Systems for ships at sea
  • Systems for wireless monitoring of medical conditions (heart monitors)
  • Geological and geophysical research on transmission of radio waves through the ground
  • Signal transmission for international time zone synchronization (**)

       

(*) According to the International Telecommunications Union (ITU) classification
(**) In several frequency ranges

 

Graph of wireless heart monitoring
Graph of wireless heart monitoring
Ship navigation system antenna
Ship navigation system antenna
International time zones - Berlin
International time zones - Berlin