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TEC variations at high latitudes caused by artificial HF heating

Danielides, Michael and Jakowski, Norbert and Rietveld, Mike and Borries, Claudia (2011) TEC variations at high latitudes caused by artificial HF heating. DPG Jahrestagung (Fachverband ET) , 21.-24. Feb. 2011, Köln, Deutschland.

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Abstract

A possibility to improve our understanding of high latitude ionospheric radio disturbance phenomena seen in GNSS signals is artificial ionospheric heating. An induced and controlled electron temperature increase leads to localized and temporal disturbances and can be produced by the EISCATs heating facility. First investigations using a 2D 3 fluid model were showing that similar to natural heating and ionization, a large variation of TEC of the order of ˜1 TECU can be expected from F-region heating. The use of artificial HF heating provides the opportunity of conducting a controlled experiment for TEC variation or even scintillation. The result of a controlled input causing an ionospheric response, in terms of plasma density, electron/ion temperature and vertical ion velocity, is measured. The present study reports on GEISHA, which is a coordinated measurement campaign including several EISCAT heating experiments simultaneously monitored by ISR, ionosondes and dual frequency signals transmitted by GNSS obtained from two high frequency receiver stations. This systematic artificial heating campaign at high latitudes is designed to understand the impact of the ionospheric plasma and its irregularities on GNSS signal propagation. Web page: http://swaciweb.dlr.de/

Item URL in elib:https://elib.dlr.de/74283/
Document Type:Conference or Workshop Item (Speech)
Title:TEC variations at high latitudes caused by artificial HF heating
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Danielides, Michaelmichael.danielides (at) dlr.deUNSPECIFIED
Jakowski, Norbertnorbert.jakowski (at) dlr.deUNSPECIFIED
Rietveld, Mikemike (at) eiscat.uit.noUNSPECIFIED
Borries, Claudiaclaudia.borries (at) dlr.deUNSPECIFIED
Date:21 February 2011
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Ionosphäre, TEC, GNSS, EISCAT
Event Title:DPG Jahrestagung (Fachverband ET)
Event Location:Köln, Deutschland
Event Type:national Conference
Event Dates:21.-24. Feb. 2011
Organizer:AEF e.V. / DGG e.V.
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Ionosphäre
Location: Neustrelitz
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Danielides, Michael
Deposited On:23 Jan 2012 11:09
Last Modified:23 Jan 2012 11:09

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