Ionospheric disturbances
Ionospheric disturbances detected by GPS total electron content observation after the 2011 off the Pacific coast of Tohoku Earthquake
... of ionospheric disturbances following the 2011 Tohoku Earthquake were first revealed by the high-resolution GPS total electron content observation in ...initial ionospheric disturbance appeared as ...
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Observations and modeling of 630 nm airglow and total electron content associated with traveling ionospheric disturbances over Shigaraki, Japan
... Southwestward-propagating medium-scale traveling ionospheric disturbances (MSTIDs) observed over Shi- garaki (34.85 ◦ N, 136.10 ◦ E) in Japan on the night of May 22, 1998 are analyzed in detail. The MSTIDs ...
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Delayed traveling ionospheric disturbances, especially in equatorial regions, following geomagnetic activity
... For the Western-Pacific region spread-F has been found to occur with delays after geomagnetic activity (GA) ranging from 5 to 10 days as station groups are considered from low midlatitudes to equatorial regions. The ...
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The use of the international GPS network as the global detector (GLOBDET) simultaneously observing sudden ionospheric disturbances
... of ionospheric disturbances, on the basis of phase measure- ments of the total electron content (TEC) along the line-of-sight (LOS) between the receiver on the ground and transmitters on the GPS satellites ...
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Multi instrument observations of large scale atmospheric gravity waves/traveling ionospheric disturbances associated with enhanced auroral activity over Svalbard
... waves/traveling ionospheric disturbances (AGWs/TIDs) using Global Positioning System (GPS) total electron content (TEC) and Fabry-Perot Interferometer’s (FPI) in- tensity of oxygen red line emission at 630 ...
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Observation of large scale traveling ionospheric disturbances of auroral origin by global GPS networks
... traveling ionospheric disturbances (LS TIDs) of auroral ...main ionospheric trough (MIT) with a conspicuous southward wall in the range of geographic latitudes 50–60 ◦ and the front width of no less ...
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Observations of traveling ionospheric disturbances and 3 m scale irregularities in the nighttime F region ionosphere with the MU radar and a GPS network
... traveling ionospheric disturbances (TIDs) and the F-region 3-m scale field-aligned irregularities were simultaneously observed with the MU radar and GEONET, a GPS network, during the FRONT (F-region Radio ...
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Propagation of large amplitude ionospheric disturbances with velocity dispersion observed by the SuperDARN Hokkaido radar after the 2011 off the Pacific coast of Tohoku Earthquake
... Ionospheric responses to the 2011 off the Pacific coast of Tohoku Earthquake are studied using the SuperDARN Hokkaido radar, which is located at (43.5 ◦ N, 143.6 ◦ E) and which monitors the ionosphere over a wide ...
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Statistical study of medium scale traveling ionospheric disturbances observed with the GPS networks in Southern California
... Using global positioning system (GPS) data taken from 350 dual-frequency GPS receivers in Southern Cali- fornia in 2002, we investigated two-dimensional maps of total electron content (TEC) perturbations with a time ...
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Giant ionospheric disturbances observed with the SuperDARN Hokkaido HF radar and GPS network after the 2011 Tohoku earthquake
... the ionospheric epicenter has been dis- cussed by many researchers ...plasma disturbances at around the 250 km altitude, and therefore, if the cur- rent acoustic waves propagated above the 250 km altitude, ...
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Dependence of waveform of near field coseismic ionospheric disturbances on focal mechanisms
... near-field ionospheric disturbances by the 2004 Suma- tra earthquake, demonstrated that CID has a potential of providing information on focal processes, such as rupture speed and relative magnitudes of ...
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Long distance traveling ionospheric disturbances caused by the great Sumatra Andaman earthquake on 26 December 2004
... The difference between the forms and duration of the HF Doppler shift signal and TEC response (Figs. 4(b, e)) can be explained by different experimental tools and, therefore, by some peculiarities of recourse to ...
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Statistical characteristics of medium scale traveling ionospheric disturbances revealed from the Hokkaido East and Ekaterinburg HF radar data
... traveling ionospheric disturbances (MSTIDs) using the Hokkaido East ...F ionospheric regions ...traveling ionospheric disturbance (MSTID) parameters: propagation direction, apparent horizontal ...
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Monitoring global traveling ionospheric disturbances using the worldwide GPS network during the October 2003 storms
... traveling ionospheric disturbances (TIDs) during the drastic magnetic storms of October 29–31, 2003 were analyzed using the Global Position System (GPS) total electron content (TEC) data observed in the ...
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Observation of ionospheric disturbances induced by the 2011 Tohoku tsunami using far field GPS data in Hawaii
... the ionospheric disturbances induced by the 2011 Tohoku ...traveling ionospheric disturbances (TIDs) at two different times: at about 12:40 UT, there were TIDs in the disturbance series ...
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Seismo traveling ionospheric disturbances of ionograms observed during the 2011 Mw 9 0 Tohoku Earthquake
... In this paper, sequences of ionograms recorded by 4 ionosondes in Japan and 1 in Taiwan are employed to examine seismo traveling ionospheric disturbances (STIDs) triggered by the 11 March, 2011, M 9.0 ...
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Statistical study of medium scale traveling ionospheric disturbances using SuperDARN Hokkaido ground backscatter data for 2011
... We describe an automated technique to determine parameters of traveling ionospheric disturbances (TIDs) using the Super Dual Auroral Radar Network (SuperDARN) high frequency (HF) radar data. The technique ...
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Simple model for post seismic ionospheric disturbances above an earthquake epicentre and along connecting magnetic field lines
... of ionospheric disturbances associ- ated with seismic activity is one of the main objectives of the DEMETER ...two-dimensional ionospheric model SAMI2 it is then possible to calculate the variations ...
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A statistical analysis of medium scale traveling ionospheric disturbances during 2014–2017 using the Hong Kong CORS network
... traveling ionospheric disturbances (MSTIDs) during 2014–2017 in the low-latitude China region using the Hong Kong Continuously Operating Reference Stations network with a baseline length of 10–15 ...
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A case study of the large scale traveling ionospheric disturbances in the eastern Asian sector during the 2015 St Patrick's Day geomagnetic storm
... Abstract. This study presents a comprehensive observa- tion of the large-scale traveling ionospheric disturbances (LSTIDs) in the eastern Asian sector during the 2015 St. Patrick’s Day (17 March 2015) ...
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