Effect of Ionospheric Depression on Long-Range Communications at Very Low Frequencies.

The report contains detailed information on two major experimental programs, propagation over a polar ice cap and propagation across a day night transition, plus two lesser programs, a set of test data for comparison with an experimental version of the VLF propagation prediction code being developed...

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Bibliographic Details
Main Author: Schwartz,Kenneth
Other Authors: AMERICAN NUCLEONICS CORP WOODLAND HILLS CALIF
Format: Text
Language:English
Published: 1970
Subjects:
Radiofrequency Wave Propagation
(*IONOSPHERIC PROPAGATION
VERY LOW FREQUENCY)
POLAR REGIONS
RADIO INTERFERENCE
MODELS(SIMULATIONS)
ELECTRICAL PROPERTIES
IONOSPHERIC DISTURBANCES
REFLECTION
PHASE DISTORTION
ATTENUATION
Ice cap
Polar Ice Cap
Online Access:http://www.dtic.mil/docs/citations/AD0718391
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0718391
Description
Summary:The report contains detailed information on two major experimental programs, propagation over a polar ice cap and propagation across a day night transition, plus two lesser programs, a set of test data for comparison with an experimental version of the VLF propagation prediction code being developed at NEL - San Diego, and a brief investigation into the propagation behavior of the optimum mode corresponding to a vertical magnetic field with an extremely low range-attenuation rate. (Author)

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