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  • Cathryn Mitchell

A 12 year comparison of MIDAS and IRI 2007 ionospheric Total Electron Content

Chartier, A. T., Mitchell, C. N. & Jackson, D. R., 1 May 2012, In : Advances in Space Research. 49, 9, p. 1348-1355 8 p.

Research output: Contribution to journalArticle

Open Access
File
16 Citations (Scopus)
115 Downloads (Pure)

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)
Open Access
File
98 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

39 Downloads (Pure)

A motion-compensated cone-beam CT using electrical impedance tomography imaging

Pengpan, T., Smith, N. D., Qiu, W., Yao, A., Mitchell, C. N. & Soleimani, M., Jan 2011, In : Physiological Measurement. 32, 1, p. 19-34

Research output: Contribution to journalArticle

6 Citations (Scopus)

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)

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)

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)
113 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)

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)

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)
10 Downloads (Pure)

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
16 Citations (Scopus)
131 Downloads (Pure)

Bipolar climatology of GPS ionospheric scintillation at solar minimum

Alfonsi, L., Spogli, L., De Franceschi, G., Romano, V., Aquino, M., Dodson, A. & Mitchell, C. N., 2011, In : Radio Science. 46, Rs0d05.

Research output: Contribution to journalArticle

81 Citations (Scopus)

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

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
3 Citations (Scopus)
78 Downloads (Pure)

Dementia Diagnosis with Brain Scan Technology at University of Bath

Mitchell, C. & Smith, N., 2012

Research output: Non-textual formDigital or Visual Products

4 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

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)

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

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

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)

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)

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)

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

5 Citations (Scopus)

GPS scintillation and TEC gradients at equatorial latitudes in April 2006

Alfonsi, L., Spogli, L., Tong, J. R., De Franceschi, G., Romano, V., Bourdillon, A., Huy, M. L. & Mitchell, C. N., 17 May 2011, In : Advances in Space Research. 47, 10, p. 1750-1757 8 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

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

13 Citations (Scopus)

GPS tomography in the polar cap: comparison with ionosondes and in situ spacecraft data

Pokhotelov, D., Jayachandran, P. T., Mitchell, C. N., MacDougall, J. W. & Denton, M. H., Jan 2011, In : GPS Solutions. 15, 1, p. 79-87 9 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

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

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)
67 Downloads (Pure)

Imaging of 3-D plasmaspheric electron density using GPS to LEO satellite differential phase observations

Spencer, P. S. J. & Mitchell, C. N., Jun 2011, In : Radio Science. 46, 3, 6 p., RS0D04.

Research output: Contribution to journalArticle

File
11 Citations (Scopus)
123 Downloads (Pure)

Imaging technology transfer – helping to diagnose dementia

Mitchell, C. & Smith, N., 2012

Research output: Non-textual formWeb publication/site

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

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)

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

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 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)
172 Downloads (Pure)

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 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)

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

Ionospheric scintillation over Antarctica during the storm of 5–6 April 2010

Kinrade, J., Mitchell, C. N., Yin, P., Smith, N., Jarvis, M. J., Maxfield, D. J., Rose, M. C., Bust, G. S. & Weatherwax, A. T., May 2012, In : Journal of Geophysical Research. 117, A5, A05304.

Research output: Contribution to journalArticle

File
35 Citations (Scopus)
112 Downloads (Pure)

Isolating the multipath component in GNSS signal-to-noise data and locating reflecting objects

Benton, C. & Mitchell, C. N., 2011, In : Radio Science. 46, RS6002.

Research output: Contribution to journalArticle

File
21 Citations (Scopus)
131 Downloads (Pure)

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)
19 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)
35 Downloads (Pure)