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The "Agora" is a JSWSC supplement for papers on education and public outreach, historical accounts, commentaries, and meeting and project reports. Agora papers are reviewed by members of the Editorial Board, indexed similarly to regular JSWSC papers, and citable. The JSWSC Agora was established in 2019. Volume 9 is the first volume to contain Agora papers.

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Journal of Space Weather and Space Climate

Volume 11 (2021) (open volume)

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Topical Issue - Space Weather Instrumentation

Open Access

Research Article

Accuracy assessment of the quiet-time ionospheric F2 peak parameters as derived from COSMIC-2 multi-GNSS radio occultation measurements 18

Iurii Cherniak, Irina Zakharenkova, John Braun, Qian Wu, Nicholas Pedatella, William Schreiner, Jan-Peter Weiss and Douglas Hunt

Published online: 18 February 2021

DOI: https://doi.org/10.1051/swsc/2020080

Open Access

Technical Article

Coordinated Ionospheric Reconstruction CubeSat Experiment (CIRCE), In situ and Remote Ionospheric Sensing (IRIS) suite 16

Gemma D. R. Attrill, Andrew C. Nicholas, Graham Routledge, Junayd A. Miah, Dhiren O. Kataria, Cathryn N. Mitchell, Robert J. Watson, James Williams, Alex Agathanggelou, Charles M. Brown et al. (17 more)

Published online: 18 February 2021

DOI: https://doi.org/10.1051/swsc/2020066

Open Access

Technical Article

MITO: a new directional muon telescope 13

Sindulfo Ayuso, Juan José Blanco, Juan Ignacio García Tejedor, Raúl Gómez Herrero, Iván Vrublevskyy, Óscar García Población and José Medina

Published online: 12 February 2021

DOI: https://doi.org/10.1051/swsc/2020079

Open Access

Technical Article

Analysis of signal to noise ratio in coronagraph observations of coronal mass ejections 11

Johannes Hinrichs, Jackie A. Davies, Matthew J. West, Volker Bothmer, Bram Bourgoignie, Chris J. Eyles, Philipp Huke, Piers Jiggens, Bogdan Nicula and James Tappin

Published online: 08 February 2021

DOI: https://doi.org/10.1051/swsc/2020070

Topical Issue - Space climate: The past and future of solar activity

Open Access

Research Article

On a limitation of Zeeman polarimetry and imperfect instrumentation in representing solar magnetic fields with weaker polarization signal 14

A.A. Pevtsov, Y. Liu, I. Virtanen, L. Bertello, K. Mursula, K.D. Leka and A.L.H. Hughes

Published online: 12 February 2021

DOI: https://doi.org/10.1051/swsc/2021003

Open Access

Scientific Review

Long-term studies of photospheric magnetic fields on the Sun 4

Alexei A. Pevtsov, Luca Bertello, Yury A. Nagovitsyn, Andrey G. Tlatov and Valery V. Pipin

Published online: 22 January 2021

DOI: https://doi.org/10.1051/swsc/2020069

Open Access

Research Article

Is the F_10.7cm – Sunspot Number relation linear and stable? 2

Frédéric Clette

Published online: 22 January 2021

DOI: https://doi.org/10.1051/swsc/2020071

Open Access

Research Article

Graphical evidence for the solar coronal structure during the Maunder minimum: comparative study of the total eclipse drawings in 1706 and 1715 1

Hisashi Hayakawa, Mike Lockwood, Matthew J. Owens, Mitsuru Sôma, Bruno P. Besser and Lidia van Driel-Gesztelyi

Published online: 22 January 2021

DOI: https://doi.org/10.1051/swsc/2020035

Open Access

Research Article

Semi-annual, annual and Universal Time variations in the magnetosphere and in geomagnetic activity: 4. Polar Cap motions and origins of the Universal Time effect 15

Mike Lockwood, Carl Haines, Luke A. Barnard, Mathew J. Owens, Chris J. Scott, Aude Chambodut and Kathryn A. McWilliams

Published online: 17 February 2021

DOI: https://doi.org/10.1051/swsc/2020077

Open Access

Research Article

Thermosphere modeling capabilities assessment: geomagnetic storms 12

Sean Bruinsma, Claude Boniface, Eric K. Sutton and Mariangel Fedrizzi

Published online: 15 February 2021

DOI: https://doi.org/10.1051/swsc/2021002

Open Access

Research Article

Global equivalent slab thickness model of the Earth’s ionosphere 10

Norbert Jakowski and Mohammed Mainul Hoque

Published online: 02 February 2021

DOI: https://doi.org/10.1051/swsc/2020083

Open Access

Research Article

Inferring depth-dependent plasma motions from surface observations using the DeepVel neural network 9

Benoit Tremblay, Jean-François Cossette, Maria D. Kazachenko, Paul Charbonneau and Alain Vincent

Published online: 29 January 2021

DOI: https://doi.org/10.1051/swsc/2020073

Open Access

Research Article

An integrated data-driven solar wind – CME numerical framework for space weather forecasting 8

Nishant M. Narechania, Ljubomir Nikolić, Lucie Freret, Hans De Sterck and Clinton P. T. Groth

Published online: 28 January 2021

DOI: https://doi.org/10.1051/swsc/2020068

Open Access

Research Article

Reconstruction of the Parker spiral with the Reverse In situ data and MHD APproach – RIMAP 7

Ruggero Biondo, Alessandro Bemporad, Andrea Mignone and Fabio Reale

Published online: 28 January 2021

DOI: https://doi.org/10.1051/swsc/2020072

Open Access

Research Article

Visualizing sporadic E using aeronautical navigation signals at VHF frequencies 6

Keisuke Hosokawa, Kotaku Kimura, Jun Sakai, Susumu Saito, Ichiro Tomizawa, Michi Nishioka, Takuya Tsugawa and Mamoru Ishii

Published online: 22 January 2021

DOI: https://doi.org/10.1051/swsc/2020075

Open Access

Research Article

Plasmasphere and topside ionosphere reconstruction using METOP satellite data during geomagnetic storms 5

Fabricio S. Prol, Mohammed M. Hoque and Arthur A. Ferreira

Published online: 22 January 2021

DOI: https://doi.org/10.1051/swsc/2020076

Agora

Open Access

Agora – Historical space weather events and observations

The Dalton Minimum and John Dalton’s Auroral Observations 17

Sam M. Silverman and Hisashi Hayakawa

Published online: 18 February 2021

DOI: https://doi.org/10.1051/swsc/2020082

Open Access

Agora – Project report

Prediction of the amplitude of solar cycle 25 using polar faculae observations 3

Jan Janssens

Published online: 22 January 2021

DOI: https://doi.org/10.1051/swsc/2020081

Journal of Space Weather and Space Climate

Volume 11 (2021) (open volume)

Topical Issue - Space Weather Instrumentation

Accuracy assessment of the quiet-time ionospheric F2 peak parameters as derived from COSMIC-2 multi-GNSS radio occultation measurements 18

Coordinated Ionospheric Reconstruction CubeSat Experiment (CIRCE), In situ and Remote Ionospheric Sensing (IRIS) suite 16

MITO: a new directional muon telescope 13

Analysis of signal to noise ratio in coronagraph observations of coronal mass ejections 11

Topical Issue - Space climate: The past and future of solar activity

On a limitation of Zeeman polarimetry and imperfect instrumentation in representing solar magnetic fields with weaker polarization signal 14

Long-term studies of photospheric magnetic fields on the Sun 4

Is the F10.7cm – Sunspot Number relation linear and stable? 2

Graphical evidence for the solar coronal structure during the Maunder minimum: comparative study of the total eclipse drawings in 1706 and 1715 1

Semi-annual, annual and Universal Time variations in the magnetosphere and in geomagnetic activity: 4. Polar Cap motions and origins of the Universal Time effect 15

Thermosphere modeling capabilities assessment: geomagnetic storms 12

Global equivalent slab thickness model of the Earth’s ionosphere 10

Inferring depth-dependent plasma motions from surface observations using the DeepVel neural network 9

An integrated data-driven solar wind – CME numerical framework for space weather forecasting 8

Reconstruction of the Parker spiral with the Reverse In situ data and MHD APproach – RIMAP 7

Visualizing sporadic E using aeronautical navigation signals at VHF frequencies 6

Plasmasphere and topside ionosphere reconstruction using METOP satellite data during geomagnetic storms 5

Agora

The Dalton Minimum and John Dalton’s Auroral Observations 17

Prediction of the amplitude of solar cycle 25 using polar faculae observations 3

Is the F_10.7cm – Sunspot Number relation linear and stable? 2