DocumentCode
991839
Title
VLF modes below a composite anisotropic ionosphere
Author
Galejs, J.
Author_Institution
Sylvania Electronic Systems, Waltham, MA, USA
Volume
18
Issue
1
fYear
1970
fDate
1/1/1970 12:00:00 AM
Firstpage
140
Lastpage
143
Abstract
The TM and TE modes excited by horizontally and vertically polarized line sources are investigated for composite ionosphere models and for high- and low-ground conductivities. The daytime propagation characteristics are comparable to those of a simpler exponential model. In nighttime propagation, the TE2 mode has a smaller perturbing effect than in simpler ionosphere models; the ratio of TE to TM field components may change for various directions of propagation in such a way that a quasi-TE (or TM) mode appears to change into a quasi-TM (or TE) mode.
Keywords
Electromagnetic propagation in anisotropic media; Ionospheric propagation; VLF radio propagation; Anisotropic magnetoresistance; Attenuation; Conductivity; Electrons; Frequency; Geometry; Ionosphere; Magnetic fields; Surface treatment; Tellurium;
fLanguage
English
Journal_Title
Antennas and Propagation, IEEE Transactions on
Publisher
ieee
ISSN
0018-926X
Type
jour
DOI
10.1109/TAP.1970.1139636
Filename
1139636
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