Articles | Volume 32, issue 9
https://doi.org/10.5194/angeo-32-1169-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/angeo-32-1169-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Observations of the generation of eastward equatorial electric fields near dawn
M. C. Kelley
School of Electrical and Computer Engineering, Cornell University, Ithaca, NY, USA
F. S. Rodrigues
William B. Hanson Center for Space Sciences, University of Texas at Dallas, Richardson, TX, USA
R. F. Pfaff
Space Weather Lab/Code 674, NASA Goddard Space Flight Center, Greenbelt, MD, USA
J. Klenzing
Space Weather Lab/Code 674, NASA Goddard Space Flight Center, Greenbelt, MD, USA
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EGUsphere, https://doi.org/10.5194/egusphere-2024-2262, https://doi.org/10.5194/egusphere-2024-2262, 2024
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New low-cost, off-the-shelf GNSS receivers enable the estimation of zonal ionospheric irregularity drifts using the "scintillation spaced receiver" technique, which was previously tested only with commercial GNSS receivers. Despite their low C/No resolution (1 dB-Hz), we demonstrate that the raw data obtained from the receivers can be used to estimate irregularity velocities. Furthermore, our observations are consistent with the behavior of an empirical model of the thermospheric winds.
Minna Palmroth, Maxime Grandin, Theodoros Sarris, Eelco Doornbos, Stelios Tourgaidis, Anita Aikio, Stephan Buchert, Mark A. Clilverd, Iannis Dandouras, Roderick Heelis, Alex Hoffmann, Nickolay Ivchenko, Guram Kervalishvili, David J. Knudsen, Anna Kotova, Han-Li Liu, David M. Malaspina, Günther March, Aurélie Marchaudon, Octav Marghitu, Tomoko Matsuo, Wojciech J. Miloch, Therese Moretto-Jørgensen, Dimitris Mpaloukidis, Nils Olsen, Konstantinos Papadakis, Robert Pfaff, Panagiotis Pirnaris, Christian Siemes, Claudia Stolle, Jonas Suni, Jose van den IJssel, Pekka T. Verronen, Pieter Visser, and Masatoshi Yamauchi
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This is a review paper that summarises the current understanding of the lower thermosphere–ionosphere (LTI) in terms of measurements and modelling. The LTI is the transition region between space and the atmosphere and as such of tremendous importance to both the domains of space and atmosphere. The paper also serves as the background for European Space Agency Earth Explorer 10 candidate mission Daedalus.
Fabiano S. Rodrigues, Eurico R. de Paula, and Gebreab K. Zewdie
Ann. Geophys., 35, 393–402, https://doi.org/10.5194/angeo-35-393-2017, https://doi.org/10.5194/angeo-35-393-2017, 2017
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We present results of Capon's method for the estimation of in-beam images of equatorial spread F (ESF) irregularities observed by the São Luís radar interferometer. Results of numerical simulations show that, despite the short baselines of the system, the method is capable of distinguishing localized features with kilometric scale sizes (zonal direction). Results from the application of Capon’s method to actual measurements show that it is able to resolve features expected to occur in ESF.
J. M. Smith, F. S. Rodrigues, and E. R. de Paula
Ann. Geophys., 33, 1403–1412, https://doi.org/10.5194/angeo-33-1403-2015, https://doi.org/10.5194/angeo-33-1403-2015, 2015
J. Klenzing, A. G. Burrell, R. A. Heelis, J. D. Huba, R. Pfaff, and F. Simões
Ann. Geophys., 31, 2147–2156, https://doi.org/10.5194/angeo-31-2147-2013, https://doi.org/10.5194/angeo-31-2147-2013, 2013
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