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ULF

Ultra Low Frequency | Frequencies (*): 300Hz – 3kHz
English

Sources and Uses

  • Maritime communication antennas – communication between ships and submarines (above water)
  • Transmitters for emergency communication with mines – wireless communication through earth
  • Electric/hybrid vehicle
  • Magnetic levitating (Maglev) trains (electric current in the rails)
  • Tram/metro/subway and power lines for tram/metro/subway (**)
  • Earthquake prediction by radiofrequency (seismologic research)

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

 
Submarine antenna
Submarine antenna
Maritime communication antenna
Maritime communication antenna
Hybrid motor –petrol/electric
Hybrid motor –petrol/electric
Hybrid vehicle - petrol/electricity-powered
Hybrid vehicle - petrol/electricity-powered
Electric power lines for trams
Electric power lines for trams
Magnetic levitating (Maglev) train (Japan)
Magnetic levitating (Maglev) train (Japan)