« further Observations of Sunrise and Sunset Fading £ * > of Very-Low-Frequency Signals ' CO

  title={« further Observations of Sunrise and Sunset Fading £ * > of Very-Low-Frequency Signals ' CO},
  author={Oi and D. D. CromLic},
  • Oi, D. D. CromLic
  • Published 2013
An eTrer explanation of sunrise and sunset fading: on lung VLF paths is confirmed by examining duta taken ov?r a wider range of frequency and directions of propagation, it is found, however, that there is an appreciable dependence of the fadin<: period on the magnetic direction of propagation. It is shown that ihis dependence is qualitatively in agreement with what would be expected from a sharply bounded ionospliTe and a transverse magnetic field. 

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