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Author

  • Cathryn Mitchell
2020

A realistic simulation framework to evaluate ionospheric tomography

Bruno, J., Mitchell, C. N., Bolmgren, K. H. A. & Witvliet, B. A., 1 Feb 2020, In : Advances in Space Research. 65, 3, p. 891-901 11 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
12 Downloads (Pure)

GPS loss of lock statistics over Brazil during the 24th solar cycle

Damaceno, J. G., Bolmgren, K., Bruno, J., De Franceschi, G., Mitchell, C. & Cafaro, M., 9 Apr 2020, In : Advances in Space Research.

Research output: Contribution to journalArticle

Open Access
Open Access
File
5 Downloads (Pure)
2019

Investigation of the polarization of 50 MHz signals via Sporadic-E reflection

Deacon, C., Mitchell, C. & Witvliet, B. A., 12 Aug 2019. 9 p.

Research output: Contribution to conferencePaper

Measurement of ionospheric total electron content using single frequency geostationary satellite observations

Cooper, C., Mitchell, C., Wright, C., Jackson, D. R. & Witvliet, B. A., 16 Feb 2019, In : Radio Science. 54, 1, p. 10-19 10 p.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
21 Downloads (Pure)

Multi-constellation GNSS tomography for accurate ionospheric imaging

Bruno, J., Mitchell, C. & Bolmgren, K., 21 Aug 2019.

Research output: Contribution to conferenceAbstract

Open Access
File
49 Downloads (Pure)
2018
39 Downloads (Pure)

Analysis of the Regional Ionosphere at Low Latitudes in Support of the Biomass ESA Mission

Alfonsi, L., Povero, G., Spogli, L., Cesaroni, C., Forte, B., Mitchell, C., Burston, R., Sreeja, V., Aquino, M., Klausner, V., Muella, M., Pezzopane, M., Hunstad, I., De Franceschi, G., Musicò, E., Pini, M., The, V. L., Trung, H. T., Husin, A., Ekawati, S. & 6 others, de la Cruz-Cayapan, C. V., Abdullah, M., Mat Daud, N., Huy, M. L., Floury, N. & Giuntini, A., 30 Nov 2018, In : IEEE Transactions on Geoscience and Remote Sensing. 56, 11, p. 6412-6424 13 p., 8391754.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
119 Downloads (Pure)

Annual Occurrence Rates of Ionospheric Polar Cap Patches Observed Using Swarm

Chartier, A. T., Mitchell, C. N. & Miller, E. S., 1 Mar 2018, In : Journal of Geophysical Research: Space Physics. 123, 3, p. 2327-2335 9 p.

Research output: Contribution to journalArticle

Open Access
9 Citations (Scopus)
67 Downloads (Pure)

Passive, continuous monitoring of carbon dioxide geostorage using muon tomography

Gluyas, J., Thompson, L., Allen, D., Benton, C., Chadwick, P., Clark, S., Klinger, J., Kudryavtsev, V., Lincoln, D., Maunder, B., Mitchell, C., Nolan, S., Paling, S., Spooner, N., Staykov, L., Telfer, S., Woodward, D. & Coleman, M., 10 Dec 2018, In : Philosophical transactions. Series A, Mathematical, physical, and engineering sciences. 377, 2137

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)
2017

A multiresolution inversion for imaging the ionosphere

Yin, P., Zheng, Y. N., Mitchell, C. N. & Li, B., 7 Jun 2017, In : Journal of Geophysical Research: Space Physics. 122, 6, p. 6799-6811 13 p.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

GPS phase scintillation and auroral electrojet currents during geomagnetic storms of March 17, 2013 and 2015

Prikryl, P., Ghoddousi-Fard, R., Viljanen, A., Weygand, J. M., Kunduri, B. S. R., Thomas, E. G., Ruohoniemi, J. M., Connors, M., Danskin, D. W., Jayachandran, P. T., Jacobsen, K. S., Andalsvik, Y. L., Durgonics, T., Oksavik, K., Zhang, Y., Spanswick, E., Sreeja, V., Aquino, M., Cilliers, P. J., Li, G. & 5 others, Ning, B., Mitchell, C. N., Spogli, L., Terkildsen, M. & Weatherwax, A. T., 10 Nov 2017, 32nd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 2017. IEEE, p. 1-4 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Identification of scintillation signatures on GPS signals originating from plasma structures detected with EISCAT incoherent scatter radar along the same line of sight

Forte, B., Coleman, C., Skone, S., Häggström, I., Mitchell, C., Da Dalt, F., Panicciari, T., Kinrade, J. & Bust, G., 31 Jan 2017, In : Journal of Geophysical Research: Space Physics. 122, 1, p. 916-931 16 p.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)

Ionospheric data assimilation applied to HF geolocation in the presence of traveling ionospheric disturbances

Mitchell, C. N., Rankov, N. R., Bust, G. S., Miller, E., Gaussiran, T., Calfas, R., Doyle, J. D., Teig, L. J., Werth, J. L. & Dekine, I., 1 Jul 2017, In : Radio Science. 52, 7, p. 829-840 12 p.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)

Ionospheric impact on Biomass ESA mission

Alfonsi, L., Povero, G., Spogli, L., Cesaroni, C., Mitchell, C., Burston, R., Vadakke, S. V., Aquino, M., Klaunser, V., Muella, M., Pezzopane, M., Giuntini, A., Forte, B., Hunstad, I., De Franceschi, G., Musicò, E., Pini, M., Vinh, L. T., Tung, T. H., Husin, A. & 6 others, Ekawati, S., de la Cruz-Cayapan, C. V., Abdullah, M., Mat Daud, N., Huy, M. L. & Floury, N., 30 Nov 2017.

Research output: Contribution to conferencePaper

Real - world ionospheric events in a Spirent Simulator

Pinto Jayawardena, T., Buesnel, G., Boyles, R., Mitchell, C., Forte, B. & Watson, R., 9 May 2017.

Research output: Contribution to conferencePaper

Towards Re-Creating Real-World Ionospheric Scintillation Events in a Spirent Simulator-Based Robust PNT Test Framework

Pinto Jayawardena, T., Buesnel, G., Mitchell, C., Boyles, R., Forte, B. & Watson, R., 30 Jan 2017.

Research output: Contribution to conferencePaper

2016
Open Access
File
100 Downloads (Pure)

Algorithms for the mitigation of space weather threats at low latitudes, contributing to the extension of EGNOS over Africa

Forte, B., Da Dalt, F., Panicciari, T., Pinto Jayawardena, T., Mitchell, C., Zin, A., Marradi, L., Muscinelli, R., Fiordiponti, R., Sreeja, V., Aquino, M., Dovis, F., Alfonsi, L., Cesaroni, C., Spogli, L., De Franceschi, G., Haggstrom, I., Enell, C. F., Chawdhry, P. K., Hoeg, P. & 6 others, von Benzon, H-H., Pozoga, M., Kos, T., Vukovic, J., Henley, E. & Jackson, D., 27 Jun 2016, International Beacon Satellite Symposium BSS-2016.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Challenges and solutions of estimating low - latitude ionisation gradients in the case of EGNOS

Da Dalt, F., Panicciari, T., Mitchell, C., Forte, B., Wilhelm, N., Serant, D., Zin, A. & Marradi, L., 17 Feb 2016.

Research output: Contribution to conferencePaper

Identification of ionisation structures originating from auroral optical emissions through co-located GPS, riometers, and all-sky camera observations

Forte, B., Gerrard, A. J., Weatherwax, A., Skone, S., Kinrade, J., Bust, G. S., Mitchell, C. & Ebihara, Y., 25 Aug 2016.

Research output: Contribution to conferencePaper

Imaging the topside-ionosphere and plasmasphere with ionospheric tomography using COSMIC GPS TEC: plasmaspheric imaging with tomography

Pinto Jayawardena, T. S., Chartier, A. T., Spencer, P. & Mitchell, C. N., Jan 2016, In : Journal of Geophysical Research: Space Physics. 121, 1, p. 817-831

Research output: Contribution to journalArticle

Open Access
9 Citations (Scopus)

Impact of Ionospheric scintillation on the performance of a network of EGNOS - like monitoring stations

Forte, B., Pinto Jayawardena, T., Panicciari, T., Da Dalt, F., Mitchell, C., Wilhelm, N., Serant, D., Alfonsi, L., Spogli, L., De Franceschi, G., Zin, A. & Marradi, L., 17 Feb 2016.

Research output: Contribution to conferencePaper

Ionospheric data assimilation and forecasting during storms

Chartier, A. T., Matsuo, T., Anderson, J. L., Collins, N., Hoar, T. J., Lu, G., Mitchell, C. N., Coster, A. J., Paxton, L. J. & Bust, G. S., 18 Feb 2016, In : Journal of Geophysical Research: Space Physics. 121, 1, p. 764-778 15 p.

Research output: Contribution to journalArticle

Open Access
File
18 Citations (Scopus)
175 Downloads (Pure)

Nonlinear estimation to assimilate GPS TEC data into a regional ionosphere model

Psiaki, M. L., Bust, G. S. & Mitchell, C. N., May 2016, 28th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2015: Volume 5. Institute of Navigation, p. 3497-3510 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Observation of auroral optical emissions through co-located GPS, riometers, and all-sky imager measurements

Forte, B., Gerrard, A. J., Weatherwax, A., Skone, S., Bust, G. S., Kinrade, J., Ebihara, Y. & Mitchell, C., 27 Jun 2016, International Beacon Satellite Symposium BSS-2016.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
8 Citations (Scopus)
125 Downloads (Pure)

Satellite-beacon Ionospheric-scintillation Global Model of the upper Atmosphere (SIGMA) II: inverse modeling with high latitude observations to deduce irregularity physics

Deshpande, K. D., Bust, G. S., Clauer, C. R., Scales, W. A., Frissell, N. A., Ruohoniemi, J. M., Spogli, L., Mitchell, C. & Weatherwax, A. T., 28 Sep 2016, In : Journal of Geophysical Research: Space Physics. 121, 9, p. 9188-9023

Research output: Contribution to journalArticle

Open Access
File
23 Citations (Scopus)
245 Downloads (Pure)

Three‐dimensional modeling of high‐latitude scintillation observations

Chartier, A., Forte, B., Deshpande, K., Bust, G. S. & Mitchell, C., 15 Jul 2016, In : Radio Science. 51, 7

Research output: Contribution to journalArticle

Open Access
File
10 Citations (Scopus)
176 Downloads (Pure)

Using EISCAT incoherent scatter radar co-aligned with GPS satellites to obtain details about plasma structures and scattering mechanisms originating scintillation at L band

Forte, B., Da Dalt, F., Panicciari, T., Mitchell, C., Kinrade, J., Bust, G. S., Skone, S., Coleman, C., Haggstrom, I. & Enell, C. F., 27 Jun 2016, International Beacon Satellite Symposium BSS-2016.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

GPS phase scintillation at high latitudes during geomagnetic storms of 7-17 March 2012 - Part 2: Interhemispheric comparison

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., 2 Jun 2015, In : Annales Geophysicae. 33, 6, p. 657-670 14 p.

Research output: Contribution to journalArticle

Open Access
11 Citations (Scopus)

Using sparse regularization for multi-resolution tomography of the ionosphere

Panicciari, T., Smith, N. D., Mitchell, C. N., Da Dalt, F. & Spencer, P. S. J., 2015, In : Nonlinear Processes in Geophysics. 22, 5, p. 613-624 12 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2014

Experimentally Recorded Amplitude and Phase Scintillation through a Spirent Simulator

Pinto Jayawardena, T., Mohd Ali, A., Forte, B., Kinrade, J., Mitchell, C., Smith, S. & Walter, T., 2014, The Insitute of Navigation, ION GNSS+ 2014.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Further observations of GPS satellite oscillator anomalies mimicking ionospheric phase scintillation

Benton, C. J. & Mitchell, C. N., Jul 2014, In : GPS Solutions. 18, 3, p. 387-391 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Implementation of a new ionospheric model (ANIMo) into a three-dimensional variational analysis (3D-Var) for imaging and forecasting purposes

Da Dalt, F., Benton, C. J., Panicciari, T., Smith, N. D. & Mitchell, C. N., Aug 2014, p. 1-4.

Research output: Contribution to conferenceOther

Improving ionospheric imaging via the incorporation of direct ionosonde observations into GPS tomography

Cooper, C., Chartier, A. T., Mitchell, C. & Jackson, D. R., 2014, 2014 31th URSI General Assembly and Scientific Symposium, URSI GASS 2014. IEEE, p. 1-3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
4 Citations (Scopus)

Ionospheric corrections for GPS time transfer

Rose, J. A. R., Watson, R. J., Allain, D. J. & Mitchell, C. N., 20 Mar 2014, In : Radio Science. 49, 3, p. 196-206 11 p.

Research output: Contribution to journalArticle

Open Access
9 Citations (Scopus)

Ionospheric imaging in Africa

Chartier, A. T., Kinrade, J., Mitchell, C. N., Rose, J. A. R., Jackson, D. R., Cilliers, P., Habarulema, J-B., Katamzi, Z., McKinnell, L-A., Matamba, T., Opperman, B., Ssessanga, N., Giday, N. M., Tyalimpi, V., De Franceschi, G., Romano, V., Scotto, C., Notarpietro, R., Dovis, F., Avenant, E. & 11 others, Wonnacott, R., Oyeyemi, E., Mahrous, A., Tsidu, G. M., Lekamisy, H., Olwendo, J. O., Sibanda, P., Gogie, T. K., Rabiu, B., De Jong, K. & Adewale, A., 8 Jan 2014, In : Radio Science. 49, 1, p. 19-27 9 p.

Research output: Contribution to journalArticle

Open Access
8 Citations (Scopus)
81 Downloads (Pure)

Method to measure the Stokes parameters of GPS signals

Benton, C. J. & Mitchell, C. N., 1 Jan 2014, In : Radio Science. 49, 1, p. 7-18 12 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
38 Downloads (Pure)

Robust ionospheric tomography using sparse regularization

Panicciari, T., Smith, N. D., Da Dalt, F. & Mitchell, C. N., Aug 2014, p. 1-4.

Research output: Contribution to conferenceOther

System design for geosynchronous synthetic aperture radar missions

Hobbs, S., Mitchell, C., Forte, B., Holley, R., Snapir, B. & Whittaker, P., 8 May 2014, In : IEEE Transactions on Geoscience and Remote Sensing. 52, 12, p. 7750-7763 14 p.

Research output: Contribution to journalArticle

Open Access
File
89 Citations (Scopus)
188 Downloads (Pure)

The application of muon tomography to carbon storage monitoring

Thompson, L. F., Benton, C. J., Clark, S. J., Coleman, M. L., Gluyas, J. G., Kudryavtsev, V. A., Klinger, J. A., Mitchell, C. N., Pal, S., Paling, S. M., Spooner, N. J. C. & Telfer, S. J., 2014, p. 156-159. 4 p.

Research output: Contribution to conferencePaper

1 Citation (Scopus)

TOPCAT: A space-borne dual-Frequency GPS receiver for topside ionosphere and plasmasphere computer assisted tomography

Jayawardena, T. P., Mitchell, C., Watson, R. J., Rose, J. R., Coleman, C. J. & Jessop, M., 2014, 27th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2014: Volume 2. Institute of Navigation, p. 1492-1498 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Why we’re preparing weather forecasts … in space

Mitchell, C., 9 Oct 2014, The Conversation.

Research output: Contribution to specialist publicationArticle

Open Access
2013

A comparison of the effects of initializing different thermosphere- ionosphere model fields on storm time plasma density forecasts

Chartier, A. T., Jackson, D. R. & Mitchell, C. N., 1 Nov 2013, In : Journal of Geophysical Research: Space Physics. 118, 11, p. 7329-7337 9 p.

Research output: Contribution to journalArticle

Open Access
14 Citations (Scopus)
84 Downloads (Pure)

An interhemispheric comparison of GPS phase scintillation with auroral emission observed at the South Pole and from the DMSP satellite

Prikryl, P., Zhang, Y., Ebihara, Y., Ghoddousi-Fard, R., Jayachandran, P. T., Kinrade, J., Mitchell, C. N., Weatherwax, A. T., Bust, G., Cilliers, P. J., Spogli, L., Alfonsi, L., Romano, V., Ning, B., Li, G., Jarvis, M. J., Danskin, D. W., Spanswick, E., Donovan, E. & Terkildsen, M., 2013, In : Annals of Geophysics. 56, 2, p. R0216

Research output: Contribution to journalArticle

Open Access
File
14 Citations (Scopus)
41 Downloads (Pure)

Comparison of temporal fluctuations in the total electron conDtisecunsstions estimates from EISCAT and GPS along the same line of sight

Forte, B., Smith, N. D., Mitchell, C. N., Da Dalt, F., Panicciari, T., Chartier, A. T., Stevanovic, D., Vuckovic, M., Kinrade, J., Tong, J. R., Haggstrom, I. & Turunen, E., 23 Apr 2013, In : Annales Geophysicae. 31, p. 745-753

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
79 Downloads (Pure)

GPS phase scintillation associated with optical auroral emissions: First statistical results from the geographic South Pole

Kinrade, J., Mitchell, C. N., Smith, N. D., Ebihara, Y., Weatherwax, A. T. & Bust, G. S., May 2013, In : Journal of Geophysical Research: Space Physics. 118, 5, p. 2490-2502 13 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)