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Artificial modification of ionospheric E-layer by high power radio transmitters
S S DE, S K ADHIKARI, J BANDYOPADHYAY, S K DUBEY, S BANDYOPADHYAY, A C SEN
Published in Birkhäuser-Verlag
1990
Volume: 132
   
Issue: 4
Pages: 803 - 810
Abstract
Some anomalous TV receptions in India on band I have been interpreted as being propagated via F-layer artificially modified by high power broadcast transmitters. In this paper, the possibility of VHF communication by artificially modified E-layer is discussed. The presented theoretical analysis shows that high-power broadcast trasmitters can produce substantial changes in temperature and ionisation in the E-layer. The rate of energy transfer from the wave to the medium particles has also been computed. Model calculations are made for a transmitter located near Calcutta. The possibility of the extra-ionisation producing field-aligned structures to support VHF communication is discussed. © 1990 Birkhäuser Verlag.
About the journal
JournalPure and Applied Geophysics PAGEOPH
PublisherBirkhäuser-Verlag
ISSN0033-4553