Results 121 to 130 of about 197,251 (258)

Deep Learning Insights Into Ionospheric Sporadic E Irregularities Under Different Solar Activity Conditions

Journal of Geophysical Research: Machine Learning and Computation
Solar activity profoundly modulates many atmospheric coupling systems, particularly the morphology of the ionospheric irregularities, which is crucial for reliable radio communication.
Penghao Tian, Bingkun Yu, Hailun Ye, Xianghui Xue, Jianfei Wu, Tingdi Chen   +5 more
doaj   +1 more source

Investigations of the ionosphere by space techniques [PDF]

Much of the impetus to ionosphere research since the International Geophysical Year has come from new types of measurement using space vehicles. The key developments are outlined, together with the contributions that they have made to the understanding ...
Bowhill, S. A.
core   +1 more source

Topside Ionization and Effect on Altitudinal Evolution of Nocturnal Ionospheric Irregularities

Space Weather
Topside ionospheric electron density (Ne) and its control on the variabilities in nocturnal ionospheric irregularities is examined globally using electron density measurements from COSMIC‐2 and Swarm satellite, along with the Swarm satellite‐based ...
T. V. Sruthi, G. Manju
doaj   +1 more source

A study of the conditions necessary for the onset of mid-latitude spread F [PDF]

Ionospheric conditions associated with the initiation of spread F in the mid-latitude ionosphere were observed. The morphology of spread F at Puerto Rico was investigated.
Zinchenko, G. N.
core   +1 more source

Rocket studies of the lower ionosphere [PDF]

The earth's ionosphere in the altitude range of 50 to 200 km was investigated by rocket-borne sensors, supplemented by ground-based measurement. The rocket payloads included mass spectrometers, energetic particle detectors, Langmuir probes and radio ...
Bowhill, Sidney A.
core   +1 more source

Study of regional ionospheric structures and their impacts on SPP and PPP with multi-instrument observations in the Asian sector

Satellite Navigation
Regional ionospheric structures characterized by localized spatial variations in plasma density significantly impact radio signals and Global Navigation Satellite System (GNSS) applications.
Bowei Liu, Libo Liu, Ang Liu, Yuyan Yang, Xiukuan Zhao, Zishen Li, Xinan Yue, Jing Liu, Huijun Le, Yiding Chen, Ruilong Zhang, Wenbo Li   +11 more
doaj   +1 more source

First observations of X-mode suppression of O-mode HF enhancements at 6300 [PDF]

, 2009
Armstrong, B. Gustavsson, B. J. Watkins, Bernhardt, Bond, Carlson, Carozzi, Dysthe, Dysthe, Frolov, Grach, Gurevich, Gurevich, Gustavsson, Gustavsson, Gustavsson, Honary, Honary, Honary, Istomin, Kelley, Kosch, L. Norin, Lee, Leyser, Leyser, M. J. Kosch, M. McCarrick, Ponomarenko, R. Newsome, Rietveld, Robinson, Robinson, Stocker, Stubbe, T. B. Leyser, T. Pedersen, Thidé, Vas'kov   +38 more
core   +1 more source

Speed-dependent collision effects on radar back-scattering from the ionosphere [PDF]

A computer code to accurately compute the fluctuation spectrum for linearly speed dependent collision frequencies was developed. The effect of ignoring the speed dependence on the estimates of ionospheric parameters was determined.
Theimer, O.
core   +1 more source

Decomposing solar and geomagnetic activity and seasonal dependencies to examine the relationship between GPS loss of lock and ionospheric turbulence. [PDF]

Sci Rep, 2023
Lovati G, De Michelis P, Consolini G, Pezzopane M, Pignalberi A, Berrilli F.   +5 more
europepmc   +1 more source

Measuring small-scale plasma irregularities in the high-latitude E- and F-regions simultaneously. [PDF]

Sci Rep, 2023
Ivarsen MF, St-Maurice JP, Hussey G, Spicher A, Jin Y, Lozinsky A, Goodwin LV, Galeschuk D, Park J, Clausen LBN.   +9 more
europepmc   +1 more source