Results 91 to 100 of about 336 (149)

arge-Scale TIDs in the F2 Region (f. Polar Ionosphere) (Proceedings of the Second Symposium on Coordinated Observations of the Ionosphere and the Magnetosphere in the Polar Regions : Part II)

open access: yesAntarctic Record, 1980
A study of the horizontal velocity dispersion of l.s. TIDs (large-scale traveling ionospheric disturbances), in the 50-150 min period range, was made by using observations recorded from November 1957 to July 1974 of f_0F2 in f-plots at four ionospheric ...
Sawako MAEDA, Shun HANDA
doaj   +1 more source

The GUARDIAN system-a GNSS upper atmospheric real-time disaster information and alert network. [PDF]

open access: yesGPS Solut, 2023
Martire L   +8 more
europepmc   +1 more source

Multi-Wave Structures of Traveling Ionospheric Disturbances Associated with the 2022 Tonga Volcanic Eruptions in the New Zealand and Australia Regions

open access: yesRemote Sensing
Using dense global navigation satellite system data and brightness temperature data across the New Zealand and Australia regions, we tracked the propagation of traveling ionospheric disturbances (TIDs) associated with the 15 January 2022 Tonga volcanic ...
Xiaolin Li   +6 more
doaj   +1 more source

Delayed traveling ionospheric disturbances, especially in equatorial regions, following geomagnetic activity

open access: yes, 2002
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.
G. G. Bowman, I. K. Mortimer
core   +1 more source

Development of the Chinese Dual Auroral Radar Network and Preliminary Results

open access: yesSpace Weather
Led by the National Space Science Center of the Chinese Academy of Sciences, we have built a Chinese dual auroral radar network in northern China, which is called the CN‐DARN.
Jiaojiao Zhang   +9 more
doaj   +1 more source

Multidimensional Comparative Study of Ionospheric Disturbance Responses During Storm Events in March and April 2023 in China

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
This article utilizes the China crustal movement observation network GNSS observations, Swarm/COSMIC satellite electron density measurements, and TIMED/GUVI thermospheric composition data to systematically analyze the multiscale ionospheric responses ...
Sheng Wang   +3 more
doaj   +1 more source

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