Results 31 to 40 of about 336,044 (232)

Parameters of traveling ionospheric disturbances: results from spaced oblique HF sounding

Вісник Харківського національногоуніверситету імені В.Н. Каразіна. Серія: Радіофізика та електроніка, 2022
Urgency. A characteristic feature of the ionospheric radio channel is that its parameters depend on season, local time, solar activity, geographic coordinates, the state of the sun, the state of atmospheric-space weather, etc. The state of the atmosphere
L. F. Chernogor, K. P. Garmash, Q. Guo, Y. H. Zhdanko, V. F. Pushin, A. M. Tsymbal, Yu. Zheng   +6 more
doaj   +1 more source

Assessment of Morelian Meteoroid Impact on Mexican Environment

Atmosphere, 2021
Possible ionospheric effects of the Morelian meteoroid that passed and exploded over Mexico on 19 February 2020 (18 February 2020 local time) were estimated.
Maria A. Sergeeva, Vladislav V. Demyanov, Olga A. Maltseva, Artem Mokhnatkin, Mario Rodriguez-Martinez, Raul Gutierrez, Artem M. Vesnin, Victor Jose Gatica-Acevedo, Juan Americo Gonzalez-Esparza, Mark E. Fedorov, Tatiana V. Ishina, Marni Pazos, Luis Xavier Gonzalez, Pedro Corona-Romero, Julio Cesar Mejia-Ambriz, Jose Juan Gonzalez-Aviles, Ernesto Aguilar-Rodriguez, Enrique Cabral-Cano, Blanca Mendoza, Esmeralda Romero-Hernandez, Ramon Caraballo, Isaac David Orrala-Legorreta   +21 more
doaj   +1 more source

Coordinated interhemispheric SuperDARN radar observations of the ionospheric response to flux transfer events observed by the cluster spacecraft at the high-latitude magnetopause [PDF]

, 2003
International audienceAt 10:00 UT on 14 February 2001, the quartet of ESA Cluster spacecraft were approaching the Northern Hemisphere high-latitude magnetopause in the post-noon sector on an outbound trajectory.
A. Balogh (7591361), S. W. H. Cowley, H. Rème, Balogh, A., C. J. Owen, S. W. H. Cowley (7590302), C. J. Owen (7591457), J. A. Davies (4412452), N. Sato (7606136), M. G. G. T. Taylor, J. A. Wild (7591442), Fazakerley, A. N., Yukimatu, A. S., M. W. Dunlop, Bosqued, J. M., M. G. G. T. Taylor (7592117), Dunlop, M. W., Sato, N., S. E. Milan (7594526), J. A. Davies, M. W. Dunlop (7591493), Rème, H., Milan, S. E., N. Sato, Lester, M., A. S. Yukimatu, H. Rème (7591274), A. S. Yukimatu (7614353), Wild, J. A., J. A. Wild, M. Lester, A. N. Fazakerley, A. Balogh, M. Lester (7589660), Davies, J. A., S. E. Milan, Cowley, S. W. H., A. N. Fazakerley (7591259), Taylor, M. G. G. T., J. M. Bosqued (7645949), Owen, C. J., J. M. Bosqued   +41 more
core   +2 more sources

Remote oxygen sensing by ionospheric excitation (ROSIE) [PDF]

, 2009
The principal optical observable emission resulting from ionospheric modification (IM) experiments is the atomic oxygen red line at 630 nm, originating from the O(1D–3P) transition. Because the O(1D) atom has a long radiative lifetime, it is sensitive
Pedersen, T. R., Kosch, M.J., E. A. Kendall, Kendall, E. A., Slanger, T.G., Gustavsson, Björn Johan, Kendall, E.A., T. G. Slanger, Rietveld, Michael T, Gustavsson, B., K. S. Kalogerakis, Kalogerakis, K. S., Slanger, T. G., B. Gustavsson, M. T. Rietveld, M. J. Kosch, Kosch, M. J., Kalogerakis, K.S., T. R. Pedersen, Pedersen, T.R., Rietveld, M.T.   +20 more
core   +2 more sources

A method for real-time identification and tracking of traveling ionospheric disturbances using ionosonde data: first results [PDF]

, 2020
Traveling Ionospheric Disturbances (TIDs) are wave-like propagating irregularities that alter the electron density environment and play an important role spreading radio signals propagating through the ionosphere. A method combining spectral analysis and
Altadill, David, Dalia Buresova, Segarra, Antoni, Juan Zornoza, José Miguel, José Miguel Juan, Blanch Llosa, Estefania, Paznukhov, Vadym V., Vadym V. Paznukhov, Bodo W. Reinisch, Galkin, Ivan, David Altadill, Estefania Blanch, Buresova, Dalia, Altadill Felip, David, Reinisch, Bodo W., Paznuhkov, Vadym V., Blanch, Estefania, Belehaki, Anna, Antoni Segarra, Ivan Galkin, Anna Belehaki   +20 more
core   +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

Traveling Ionospheric Disturbances Characteristics during the 2018 Typhoon Maria from GPS Observations

Remote Sensing, 2020
Typhoons often occur and may cause huge loss of life and damage of infrastructures, but they are still difficult to precisely monitor and predict by traditional in-situ measurements.
Yiduo Wen, Shuanggen Jin
doaj   +1 more source

Periodic oscillations of Doppler frequency excited by the traveling ionospheric disturbances associated with the Tonga eruption in 2022

Earth, Planets and Space, 2023
The explosive eruption of the Hunga Tonga-Hunga Ha’apai volcano on 15 January 2022 generated atmospheric waves traveling around the Earth, which caused ionospheric disturbances on various spatio-temporal scales.
Hiroyuki Nakata, Keisuke Hosokawa, Susumu Saito, Yuichi Otsuka, Ichoro Tomizawa   +4 more
doaj   +1 more source

WAAS and the Ionosphere – A Historical Perspective: Monitoring Storms

Navigation, 2022
Satellite-based augmentation systems ensure the accuracy and integrity of aircraft position estimates derived from radio signals broadcast by the Global Navigation Satellite System.
Lawrence Sparks, Eric Altshuler, Nitin Pandya, Juan Blanch, Todd Walter   +4 more
doaj   +1 more source

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

Journal of Field Robotics, Volume 43, Issue 7, Page 4475-4514, October 2026.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang, Hao Zhou, Dalin Zhou, Zhaojie Ju   +3 more
wiley   +1 more source