Bibliography



Found 3 entries in the Bibliography.


Showing entries from 1 through 3


2021

Direct evidence reveals transmitter signal propagation in the magnetosphere

AbstractSignals from very-low-frequency transmitters on the ground are known to induce energetic electron precipitation from the Earth’s radiation belts. The effectiveness of this mechanism depends on the propagation characteristics of those signals in the magnetosphere, and in particular whether the signals are ducted or nonducted along channels of enhanced plasma density, analogous to optical fibres. Here we perform a statistical analysis of in-situ waveform data collected by the Van Allen Probes satellites that shows th ...

Gu, Wenyao; Chen, Lunjin; Xia, Zhiyang; Horne, Richard;

YEAR: 2021     DOI: https://doi.org/10.1029/2021GL093987

VLF transmitters; ducted propagation; nonducted propagation; Magnetosphere; Van Allen Probes

2020

Alpha Transmitter Signal Reflection and Triggered Emissions

Russian Alpha radio navigation system (RSDN-20) emits F1 = 11.9 kHz signals into the magnetosphere which propagate as whistler mode waves. Observed by waveform continuous burst mode from Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) on Van Allen Probes, a case is presented and featured with ducted propagation, multiple reflections, and triggered emissions. Both risers and fallers appear in the triggered emissions. We use a ray tracing method to demonstrate ducted propagation, which has a s ...

Gu, Wenyao; Chen, Lunjin; Xia, Zhiyang; An, Xin; Horne, Richard;

YEAR: 2020     DOI: https://doi.org/10.1029/2020GL090165

VLF transmitter; ducted propagation; triggered emission; Van Allen Probes

2018

Observed propagation route of VLF transmitter signals in the magnetosphere

Signals of powerful ground transmitters at various places have been detected by satellites in near-Earth space. The study on propagation mode, ducted or nonducted, has attracted much attentions for several decades. Based on the statistical results from Van Allen Probes (data from Oct. 2012 to Mar. 2017) and DEMETER satellite (from Jan. 2006 to Dec. 2007), we present the ground transmitter signals distributed clearly in ionosphere and magnetosphere. The observed propagation route in the meridian plane in the magnetosphere for ...

Zhang, Zhenxia; Chen, Lunjin; Li, Xinqiao; Xia, Zhiyang; Heelis, Roderick; Horne, Richard;

YEAR: 2018     DOI: 10.1029/2018JA025637

ducted propagation; in magnetosphere; nonducted propagation; Van Allen Probes; VLF transmitter



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