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Ionospheric response to the 2020 Samos earthquake and tsunami
(Springer, 2024-01-19)
Article
Open AccessOn 30 October 2020 at 11:51 UT, a magnitude 7.0 earthquake occurred in the Dodecanese sea (37.84°N, 26.81°E, 10 km depth) and generated a tsunami with an observed run-up of more than 1 m on the Turkish coasts. Both the ... -
Validation of global ionospheric models using long-term observations of pulsar Faraday rotation with the LOFAR radio telescope
(Springer Nature, 2023-12-13)
Article
Open AccessBroad band pulsar radiation can be effectively used to monitor the properties of the magneto-ionic media through which it propagates. Faraday rotation calculated from polarised pulsar observations provides an integrated ... -
GNSS solar astronomy in real-time during more than one solar cycle
(Elsevier, 2023-12-09)
Article
Open AccessThis work presents a summary of the continuous non-stop (hereinafter 24/7) real-time measurement and warning system for EUV solar activity, which is based on worldwide multifrequency Global Navigation Satellite Systems ... -
The correlation between ionospheric electron density variations derived from swarm satellite observations and seismic activity at the Australian–Pacific tectonic plate boundary
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-11-29)
Article
Open AccessSwarm electron density (Ne) observations from the Langmuir probe (LP) can detect ionospheric disturbances at the altitude of a satellite. Along-track satellite observations provide a large number of very short observations ... -
Power-law distribution of rapid ionosphere electron content fluctuations via GNSS measurements
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Article
Open AccessThe ionosphere is a dynamic region of the Earth’s upper atmosphere that exhibits various fluctuations in electron density. These fluctuations can be estimated using measurements from the global navigation satellite system ... -
PPP at low latitudes with ionospheric model exclusively based on single frequency GNSS measurements
(John Wiley & sons, 2023-08-01)
Article
Open AccessSingle frequency users of the Global Navigation Satellite System (GNSS) should correct the ionospheric delay to obtain positioning solutions. A valuable source of ionospheric delay corrections is the global ionospheric ... -
Ionospheric weather at two Starlink launches during two-phase geomagnetic storms
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-08-07)
Article
Open AccessThe launch of a series of Starlink internet satellites on 3 February 2022 (S-36), and 7 July 2022 (S-49), coincided with the development of two-phase geomagnetic storms. The first launch S-36 took place in the middle of ... -
Assessment of GRAS ionospheric measurements for ionospheric model assimilation
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-15)
Article
Open AccessWe conducted a study to assess the GNSS (Global Navigation Satellite System) Receiver for Atmospheric Sounding (GRAS) ionospheric data quality by processing Radio Occultation (RO) observations of ionospheric products. The ... -
Real-time tomographic inversion of truncated ionospheric GNSS radio occultations
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-19)
Article
Open AccessThis paper presents a new way of combining Abel inversion and the Chapman model with a linearly increasing scale height to retrieve ionospheric electron density vertical profiles from truncated-sounding radio-occultation ... -
Study of ionospheric bending angle and scintillation profiles derived by GNSS radio-occultation with MetOp-A satellite
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-20)
Article
Open AccessIn this work, a dedicated campaign by MetOp-A satellite is conducted to monitor the ionosphere based on radio-occultation (RO) measurements provided by the onboard GNSS (Global Navigation Satellite System) Receiver for ... -
A new method of electron density retrieval from MetOp-A’s truncated radio occultation measurements
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-03)
Article
Open AccessThe radio occultation (RO) measurements of the Global Navigation Satellite System’s (GNSS’s) signals onboard a Low Earth Orbiting (LEO) satellite enable the computation of the vertical electron density profile from the LEO ... -
Pre-earthquake ionospheric anomalies before three major earthquakes by GPS-TEC and GIM-TEC data during 2015–2017
(2019-04-01)
Article
Restricted access - publisher's policyThe dual-frequency satellite-based measurements from Global Positioning System (GPS) may provide feasible ways of studying and potentially detecting of earthquake (EQ) related anomalies in the ionosphere. In this paper, ...
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