Results 31 to 40 of about 42,321 (217)

Spatial and Temporal Distributions of Ionospheric Irregularities Derived from Regional and Global ROTI Maps

Remote Sensing, 2021
Major advancements in the monitoring of both the occurrence and impacts of space weather can be made by evaluating the occurrence and distribution of ionospheric disturbances.
Chinh Thai Nguyen, Seun Temitope Oluwadare, Nhung Thi Le, Mahdi Alizadeh, Jens Wickert, Harald Schuh   +5 more
doaj   +1 more source

Prediction of Ionospheric Scintillation with ConvGRU Networks Using GNSS Ground-Based Data across South America

Remote Sensing
This study investigates the relationship between geomagnetic activities and ionospheric scintillations, focusing on how solar and geomagnetic parameters influence ionospheric disturbances across varying time frames and latitudes.
Alireza Atabati, Iraj Jazireeyan, Mahdi Alizadeh, Richard B. Langley   +3 more
doaj   +1 more source

Small-Scale Ionospheric Irregularities of Auroral Origin at Mid-latitudes during the 22 June 2015 Magnetic Storm and Their Effect on GPS Positioning

Remote Sensing, 2020
Small-scale ionospheric irregularities affect navigation and radio telecommunications. We studied small-scale irregularities observed during the 22 June 2015 geomagnetic storm and used experimental facilities at the Institute of Solar-Terrestrial Physics
Yury Yasyukevich, Roman Vasilyev, Konstantin Ratovsky, Artem Setov, Maria Globa, Semen Syrovatskii, Anna Yasyukevich, Alexander Kiselev, Artem Vesnin   +8 more
doaj   +1 more source

Ionospheric Remote Sensing with GNSS

Encyclopedia, 2021
The Global Navigation Satellite System (GNSS) plays a pivotal role in our modern positioning, navigation and timing (PNT) technologies. GNSS satellites fly at altitudes of approximately 20,000 km or higher.
YuXiang Peng, Wayne A. Scales
doaj   +1 more source

INFLUENCE OF THE SOLAR WIND ON INTERFEROMETRIC OBSERVATIONS AT THE DECAMETER WAVELENGTHS [PDF]

Radio Physics and Radio Astronomy, 2020
Purpose: The effect of the Earth’s ionosphere and interplanetary plasma on the radio astronomy observations, in particular, interferometric ones, at decameter waves has been investigated.
V. O. Shepelev, O. A. Litvinenko, K. Georgieva, B. Kirov   +3 more
doaj   +1 more source

Night-time ionospheric scintillations at the magnetic equator

, 1979
The nocturnal and seasonal variations of equatorial ionospheric scintillations are presented. Scintillations are classified into two classes, namely, class I and class II depending on their fading rates and association with bottomside spread-F.
Krishna Murthy, B. V., Krishna Moorthy, K., Raghava Reddi, C.   +2 more
core   +1 more source

Analysis of the ionospheric scintillations during 20-21 January 2016 from SANAE by means of the DemoGRAPE scintillation receivers [PDF]

, 2017
This paper presents ionospheric scintillation data recorded at SANAE in Antarctica during a moderate geomagnetic storm on 20-21 January 2016 which gives evidence of the advantages of the new generation of instrumentation for monitoring ionospheric ...
J. Ward, Cilliers, P. J., Linty, N., L. Alfonsi, N. Linty, J.A.E. Stephenson, Spogli, L., I. Hunstad, G. De Franceschi, Cesaroni, C., DE FRANCESCHI, GIOVANNI, O. Teizo, Romano, V., P. J. Cilliers, V. Romano, Dovis, F., Ward, J., C. Cesaroni, Terzo, O., F Dovis, Stephenson, J. A. E., Alfonsi, L., Hunstad, I., L. Spogli   +23 more
core   +1 more source

Faraday polarization fluctuations and their dependence on post sunset secondary maximum and amplitude scintillations at Delhi [PDF]

Annales Geophysicae, 2002
VHF Faraday rotation (FR) and amplitude scintillation data recorded simultaneously during May 1978–December 1980 at Delhi (28.63° N, 77.22° E; Dip 42.44° N) is analyzed in order to study the Faraday polarization fluctuations (FPFs) and their ...
J. K. Gupta, J. K. Gupta, L. Singh, R. S. Dabas   +3 more
doaj   +1 more source

The Ionospheric Scintillation Effects on the BeiDou Signal Receiver. [PDF]

Sensors (Basel), 2016
Irregularities in the Earth’s ionosphere can make the amplitude and phase of radio signals fluctuate rapidly, which is known as ionospheric scintillation. Severe ionospheric scintillation could affect the performance of the Global Navigation Satellite System (GNSS). Currently, the Multiple Phase Screen (MPS) technique is widely used in solving problems
He Z, Zhao H, Feng W.
europepmc   +5 more sources

Long‐Term Increase in Equatorial Rayleigh‐Taylor Instability: Synergistic Effects of Greenhouse Gas Cooling and Geomagnetic Field Secular Variation

Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract Equatorial plasma bubbles (EPBs) are ionospheric irregularities generated by Rayleigh–Taylor instability (RTI) that disrupt satellite communications. We quantify secular change of RTI growth rates and isolate underlying drivers using WACCM‐X simulations.
Liying Qian, Chih‐Ting Hsu, Wenbin Wang, Shun‐Rong Zhang, Joseph McInerney   +4 more
wiley   +1 more source