DocumentCode
955653
Title
The Mode Theory of VLF Ionospheric Propagation for Finite Ground Conductivity
Author
Wait, James R.
Author_Institution
National Bureau of Standards, Boulder, Colo.
Volume
45
Issue
6
fYear
1957
fDate
6/1/1957 12:00:00 AM
Firstpage
760
Lastpage
767
Abstract
The space between the earth and the ionosphere is considered as a waveguide with sharply bounded walls. Employing a representation in terms of spherical wave functions of complex order, the field of a vertical dipole source is calculated for very low frequencies. It is shown that the effect of the finite conductivity of the ground is quite important for propagation to great distances. Good agreement is obtained with the experimental results of J. Heritage.
Keywords
Conductivity; Earth; Electromagnetic waveguides; Frequency; Ionosphere; Optical propagation; Optical waveguides; Senior members; Wave functions; Waveguide theory;
fLanguage
English
Journal_Title
Proceedings of the IRE
Publisher
ieee
ISSN
0096-8390
Type
jour
DOI
10.1109/JRPROC.1957.278469
Filename
4056596
Link To Document