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  • Cathryn Mitchell
2014

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)
2016
9 Citations (Scopus)
2014

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)

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

8 Citations (Scopus)
2012

Imaging technology transfer – helping to diagnose dementia

Mitchell, C. & Smith, N., 2012

Research output: Non-textual formWeb publication/site

Dementia Diagnosis with Brain Scan Technology at University of Bath

Mitchell, C. & Smith, N., 2012

Research output: Non-textual formDigital or Visual Products

Global navigation satellite systems and the ionosphere

Mitchell, C. N., 2012, 12th IET International Conference on Ionospheric Radio Systems and Techniques (IRST 2012). IET, p. 46 1 p. (IET Conference Publications; vol. 2012, no. CP594).

Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

2014

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
10 Citations (Scopus)
2012

GPS satellite oscillator faults mimicking ionospheric phase scintillation

Benton, C. & Mitchell, C., Oct 2012, In : GPS Solutions. 16, 4, p. 477-482 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Technology Transfer in Global Navigation Satellite Systems (GNSS): KTA070

Mitchell, C. N. & Rose, J. A. R., 2012

Research output: Non-textual formWeb publication/site

2013

GPS scintillations and total electron content climatology in the southern low, middle and high latitude regions

Spogli, L., Alfonsi, L., Cilliers, P. J., Correia, E., De Franceschi, G., Mitchell, C. N., Romano, V., Kinrade, J. & Cabrera, M. A., 2013, In : Annals of Geophysics. 56, 2

Research output: Contribution to journalArticle

17 Citations (Scopus)
2014

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
96 Citations (Scopus)
206 Downloads (Pure)
2016

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
19 Citations (Scopus)
202 Downloads (Pure)

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

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
24 Citations (Scopus)
281 Downloads (Pure)
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

2 Citations (Scopus)
2015

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

5 Citations (Scopus)
2014
4 Citations (Scopus)
2017

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)
2016

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

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)
19 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

Quality analysis of dual-frequency smartphone-based ionospheric TEC measurements: what can be achieved?

Bruno, J., Darugna, F., Bolmgren, K., Wübbena, J., Mitchell, C. & Schmitz, M., 2020, In : Annals of Geophysics. 63, 0, p. 07 1 p.

Research output: Contribution to journalArticle

Open Access
2013

Simulation of geosynchronous radar and atmospheric phase compensation constraints

Hobbs, S. E., Snapir, B., Corstanje, R., Mitchell, C., Forte, B., Holley, R., Whittaker, P., Graham, K. & Burren, R., 1 Dec 2013, IET International Radar Conference 2013. 617 CP ed. Vol. 2013. 0239

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

6 Citations (Scopus)
2012

Analysis of diurnal double maxima observed above Italy during 1975–1991

Katamzi, Z. T., Smith, N. D., Mitchell, C. N. & Spalla, P., 1 Nov 2012, In : Journal of Atmospheric and Solar-Terrestrial Physics. 89, p. 67-75

Research output: Contribution to journalArticle

1 Citation (Scopus)
2014

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

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
16 Citations (Scopus)
84 Downloads (Pure)
2018

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
5 Citations (Scopus)
2017

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
14 Citations (Scopus)
2014

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

2013

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
15 Citations (Scopus)
50 Downloads (Pure)

Measuring GNSS ionospheric total electron content at Concordia, and application to L-band radiometers

Romano, V., Macelloni, G., Spogli, L., Brogioni, M., Marinaro, G. & Mitchell, C. N., 2013, In : Annals of Geophysics. 56, 2, R0219.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
40 Downloads (Pure)
2017

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

2014

Why we’re preparing weather forecasts … in space

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

Research output: Contribution to specialist publicationArticle

Open Access
2013

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)
86 Downloads (Pure)
2016
Open Access
File
110 Downloads (Pure)
2012

A study of L-band scintillations and total electron content at an equatorial station, Lagos, Nigeria

Adewale, A. O., Oyeyemi, E. O., Adeloye, A. B., Mitchell, C. N., Rose, J. A. R. & Cilliers, P. J., 7 Apr 2012, In : Radio Science. 47, RS2011, RS004846.

Research output: Contribution to journalArticle

Open Access
File
17 Citations (Scopus)
157 Downloads (Pure)
2018
45 Downloads (Pure)
2014

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

2012

The use of ionosondes in GPS ionospheric tomography at low latitudes

Chartier, A. T., Smith, N. D., Mitchell, C. N., Jackson, D. R. & Patilongo, P. J. C., Oct 2012, In : Journal of Geophysical Research. 117, A10, A10326.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Development of Low-Cost Spaceborne Multi-Frequency GNSS Receiver for Navigation and GNSS Remote Sensing

Unwin, M., Gao, S., de Vos van Steenwijk, R., Jales, P., Maqsood, M., Gommenginger, C., Rose, J., Mitchell, C. & Partington, K., 2012, In : International Journal of Space Science and Engineering.

Research output: Contribution to journalArticle

2014

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)
2013

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

34 Citations (Scopus)
2016

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)
2014

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)
2012

Towards adapting a normal patient database forSPECT brain perfusion imaging

Smith, N. D., Holmes, R. B., Soleimani, M., Evans, M. J., Cade, S. C. & Mitchell, C. N., Jun 2012, In : Inverse Problems. 28, 6, 17 p., 065001.

Research output: Contribution to journalArticle

1 Citation (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
7 Citations (Scopus)
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
12 Citations (Scopus)
2018

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
3 Citations (Scopus)
142 Downloads (Pure)