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Original Articles

ELF Resonance Line-Splitting in the Earth-Ionosphere Cavity

Pages 17-21 | Received 24 Jun 1976, Published online: 10 Jul 2015

REFERENCES

  • Schumann (W O). Uber die Strahlunglosen Eigenschwin gungen einer Leitenden Kugel, die von einer Luftschicht und einer Ionospherenhulle ungeben ist. Z. Naturforsch. 7A, 1952; 149–154.
  • Balser (M) and Wagner (C A). Observations of the Earth Ionosphere Cavity Resonances. Nature. 188, 1960; 638–641.
  • IEEE Transactions on Communications, Special Issue on Extremely Low Frequency (ELF) Communications. COMM-22, 4; 1974.
  • Wait (J R). Electromagnetic Waves in Stratified Media. Second Edition. 1970. Pergamon Press, New York.
  • Galejs (J). Terrestrial Propagation of Long Electromagnetic Waves. 1970. Pergamon Press, New York.
  • Tran (A) and POLK (C). The Earth-Ionosphere Cavity. Radio Science. 11, 10; 1976; 803–816.
  • Clayton (M D), Polk (C), Etzold (H), Cooper (W W). Absolute Calibration of Antennas at Extremely Low Frequencies. IEEE Trans. AP-21, 4; 1974; 514–523.
  • World Data Centre A For Terrestrial Physics. Report UAG-21. Preliminary Compilation of Data for Retrospective World Interval. July 26—August 14, 1972. Compiled by J. V. Lincoln and H. I. Leighton. November 1972.
  • World Data Centre A for Solar Terrestrial Physics. Col lected Data Reports on August 1972 Solar Terrestrial Effects. Edited by H. Coffey. Parts I, II and III, July 1973.
  • GALEJS (J). Frequency Variation of Schumann Resonances. Journal of Geo-physical Research. 75, 16; 1970; 3237.
  • Paul (A) and Polk (C). Dependence of Line-Splitting, Q, and Frequency of ELF Cavity Resonances upon Lower Ionosphere Inhomogeneities. Proc. IEEE-AP/S International Simposium at Atlanta, Georgia, June 1974.
  • Paul (A) and Polk (C). Resonance Line-Splittirg as a Function of Measurement Parameter and Resonance Bandwidth. Presented at the Joint Meeting of URSI and IEEE-AP/S International Symposium at University of Illinois, 1975 (Abstract on P 45). (To be published).

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