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Nonlinear dynamic systems modeling using Gaussian processes: Predicting ionospheric total electron content over South Africa.
Published in:
Journal of Geophysical Research. Space Physics, 2011, v. 116, n. A10, p. n/a, doi. 10.1029/2010JA016375
By:
- Ackermann, E. R.;
- de Villiers, J. P.;
- Cilliers, P. J.
Publication type:
Article
GPS phase scintillation at high latitudes during geomagnetic storms of 7-17 March 2012 - Part 2: Interhemispheric comparison.
Published in:
Annales Geophysicae (ANGEO) (09927689), 2015, v. 33, n. 6, p. 657, doi. 10.5194/angeo-33-657-2015
By:
- Prikryl, P.;
- Ghoddousi-Fard, R.;
- Spogli, L.;
- Mitchell, C. N.;
- Li, G.;
- Ning, B.;
- Cilliers, P. J.;
- Sreeja, V.;
- Aquino, M.;
- Terkildsen, M.;
- Jayachandran, P. T.;
- Jiao, Y.;
- Morton, Y. T.;
- Ruohoniemi, J. M.;
- Thomas, E. G.;
- Zhang, Y.;
- Weatherwax, A. T.;
- Alfonsi, L.;
- De Franceschi, G.;
- Romano, V.
Publication type:
Article
Applying inversion techniques to derive source currents and geoelectric fields for geomagnetically induced current calculations.
Published in:
Annales Geophysicae (ANGEO) (09927689), 2014, v. 32, n. 10, p. 1263, doi. 10.5194/angeo-32-1263-2014
By:
- de Villiers, J. S.;
- Cilliers, P. J.
Publication type:
Article
Interhemispheric comparison of GPS phase scintillation at high latitudes during the magnetic-cloud-induced geomagnetic storm of 5-7 April 2010.
Published in:
Annales Geophysicae (ANGEO) (09927689), 2011, v. 29, n. 12, p. 2287, doi. 10.5194/angeo-29-2287-2011
By:
- Prikryl, P.;
- Spogli, L.;
- Jayachandran, P. T.;
- Kinrade, J.;
- Mitchell, C. N.;
- Ning, B.;
- Li, G.;
- Cilliers, P. J.;
- Terkildsen, M.;
- Danskin, D. W.;
- Spanswick, E.;
- Donovan, E.;
- Weatherwax, A. T.;
- Bristow, W. A.;
- Alfonsi, L.;
- Franceschi, G. De;
- Romano, V.;
- Ngwira, C. M.;
- Opperman, B. D. L.
Publication type:
Article
Developing an ionospheric map for South Africa.
Published in:
Annales Geophysicae (ANGEO) (09927689), 2010, v. 28, n. 7, p. 1431, doi. 10.5194/angeo-28-1431-2010
By:
- Okoh, D. I.;
- McKinnell, L. A.;
- Cilliers, P. J.
Publication type:
Article
Comparison of Ground‐Based Ionospheric Scintillation Observations With In Situ Electron Density Variations as Measured by the Swarm Satellites.
Published in:
Radio Science, 2019, v. 54, n. 10, p. 852, doi. 10.1029/2018RS006734
By:
- Olwendo, J.;
- Cilliers, P. J.;
- Ming, Ou
Publication type:
Article
A study on the variability of ionospheric total electron content over the East African low-latitude region and storm time ionospheric variations.
Published in:
Radio Science, 2016, v. 51, n. 9, p. 1503, doi. 10.1002/2015RS005785
By:
- Olwendo, O. J.;
- Yamazaki, Yosuke;
- Cilliers, P. J.;
- Baki, P.;
- Doherty, P.
Publication type:
Article
A study of L-band scintillations and total electron content at an equatorial station, Lagos, Nigeria.
Published in:
Radio Science, 2012, v. 47, n. 2, p. n/a, doi. 10.1029/2011RS004846
By:
- Adewale, A. O.;
- Oyeyemi, E. O.;
- Adeloye, A. B.;
- Mitchell, C. N.;
- Rose, J. A. R.;
- Cilliers, P. J.
Publication type:
Article
A revised numerical model to predict heat transfer in turbulent flow.
Published in:
International Journal for Numerical Methods in Fluids, 1995, v. 20, n. 6, p. 459, doi. 10.1002/fld.1650200604
By:
- Visser, J. A.;
- Cilliers, J. P.
Publication type:
Article
Effect of electrocardiographic filters on the R-amplitude of canine electrocardiograms.
Published in:
Veterinary Record: Journal of the British Veterinary Association, 2002, v. 150, n. 6, p. 171, doi. 10.1136/vr.150.6.171
By:
- Dvir, E.;
- Lobetti, R. G.;
- Cilliers, P. J.
Publication type:
Article
The Preparation of Potassium Octacyanomolybdate(IV) Dihydrate.
Published in:
Zeitschrift für Anorganische und Allgemeine Chemie, 1974, v. 409, n. 3, p. 343, doi. 10.1002/zaac.19744090310
By:
- Leipoldt, J. G.;
- Bok, L. D. C.;
- Cilliers, P. J.
Publication type:
Article
The preparation of potassium octacyanotungstate(IV) dihydrate.
Published in:
Zeitschrift für Anorganische und Allgemeine Chemie, 1974, v. 407, n. 3, p. 350, doi. 10.1002/zaac.19744070311
By:
- Leipoldt, J. G.;
- Bok, L. D. C.;
- Cilliers, P. J.
Publication type:
Article
Development of a Regional F‐Region Critical Frequency Model for Southern Africa.
Published in:
Space Weather: The International Journal of Research & Applications, 2023, v. 21, n. 8, p. 1, doi. 10.1029/2023SW003482
By:
- Brijraj, S.;
- Cilliers, P. J.;
- Kosch, M.
Publication type:
Article
An Evaluation of the Frequency Independence Assumption of Power System Coefficients Used in Geomagnetically Induced Current Estimates.
Published in:
Space Weather: The International Journal of Research & Applications, 2019, v. 17, n. 12, p. 1674, doi. 10.1029/2019SW002234
By:
- Weigel, R. S.;
- Cilliers, P. J.
Publication type:
Article
Geomagnetically induced currents: Science, engineering, and applications readiness.
Published in:
Space Weather: The International Journal of Research & Applications, 2017, v. 15, n. 7, p. 828, doi. 10.1002/2016SW001501
By:
- Pulkkinen, A.;
- Bernabeu, E.;
- Thomson, A.;
- Viljanen, A.;
- Pirjola, R.;
- Boteler, D.;
- Eichner, J.;
- Cilliers, P. J.;
- Welling, D.;
- Savani, N. P.;
- Weigel, R. S.;
- Love, J. J.;
- Balch, C.;
- Ngwira, C. M.;
- Crowley, G.;
- Schultz, A.;
- Kataoka, R.;
- Anderson, B.;
- Fugate, D.;
- Simpson, J. J.
Publication type:
Article
Regression‐based forecast model of induced geoelectric field.
Published in:
Space Weather: The International Journal of Research & Applications, 2017, v. 15, n. 1, p. 180, doi. 10.1002/2016SW001518
By:
- Lotz, S. I.;
- Heyns, M. J.;
- Cilliers, P. J.
Publication type:
Article
First Observations of GNSS Ionospheric Scintillations From DemoGRAPE Project.
Published in:
Space Weather: The International Journal of Research & Applications, 2016, v. 14, n. 10, p. 704, doi. 10.1002/2016SW001488
By:
- Alfonsi, L.;
- Cilliers, P. J.;
- Romano, V.;
- Hunstad, I.;
- Correia, E.;
- Linty, N.;
- Dovis, F.;
- Terzo, O.;
- Ruiu, P.;
- Ward, J.;
- Riley, P.
Publication type:
Article
The role of SANSA's geomagnetic observation network in space weather monitoring: A review.
Published in:
Space Weather: The International Journal of Research & Applications, 2015, v. 13, n. 10, p. 656, doi. 10.1002/2015SW001279
By:
- Kotzé, P. B.;
- Cilliers, P. J.;
- Sutcliffe, P. R.
Publication type:
Article
ZACUBE-1 Space Weather Mission: Characterize the SuperDARN HF Radar Antenna Array at SANAE-IV.
Published in:
Space Weather: The International Journal of Research & Applications, 2013, v. 11, n. 2, p. 52, doi. 10.1002/swe.20018
By:
- Van Zyl, R. R.;
- Visser, D. F.;
- Cilliers, P. J.;
- Opperman, B. D. L.
Publication type:
Article

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