VLF and LF Emissions at Auroral Latitudes

  • T. Stockflet Jørgensen
Part of the Astrophysics and Space Science Library book series (ASSL, volume 14)


Naturally occurring electromagnetic noise at very low and low frequencies generated in the ionosphere or the magnetosphere is called VLF and LF emission. There are different types of noise classified according to their shape in a frequency—time spectrogram (Gallet, 1959), but they can all be characterized as either discrete noise, which has a clear structure in the spectrogram, or hiss, which has no or very little structure and so resembles white noise.


Magnetic Local Time Auroral Oval Auroral Region Cerenkov Radiation Consecutive Pass 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media Dordrecht 1969

Authors and Affiliations

  • T. Stockflet Jørgensen
    • 1
  1. 1.Danish Meteorological InstituteCopenhagenDenmark

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