Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 38, issue 3
Articles | Volume 38, issue 3
https://doi.org/10.5194/angeo-38-765-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-38-765-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 38, issue 3
Regular paper
 | 
24 Jun 2020
Regular paper |  | 24 Jun 2020

Low-altitude frequency-banded equatorial emissions observed below the electron cyclotron frequency

Mohammed Y. Boudjada, Patrick H. M. Galopeau, Sami Sawas, Valery Denisenko, Konrad Schwingenschuh, Helmut Lammer, Hans U. Eichelberger, Werner Magnes, and Bruno Besser

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Latest update: 19 Apr 2024
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Short summary
In this paper, we report on observations of frequency-banded wave emissions by ICE (Instrument Champ Électrique) on board DEMETER (Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions). We distinguish two components: positive and negative frequency drift rates and multiple spaced frequency bands near the magnetic equatorial plane. We show and discuss the non-free-space DEMETER frequency-banded emissions and the free-space terrestrial kilometric radiation.
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