Research Output 2001 2018

1 Citations

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
Ionosphere
polar caps
swarms
Southern Hemisphere
ionospherics
2017
1 Citations

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
Ionosphere
ionospheres
ionosphere
ionospherics
image analysis

GNSS in Aviation: Ionospheric Threats at Low Latitudes

Mohd Ali, A. 5 Oct 2017 134 p.

Research output: ThesisDoctoral Thesis

Open Access
File
Scintillation
Aviation
Satellites
Navigation
Upper atmosphere

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

auroral electrojets
electrojets
magnetic storms
Scintillation
polar regions
2 Citations

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. 1 Jan 2017 In : Journal of Geophysical Research: Space Physics. 122, 1, p. 916-931 16 p.

Research output: Contribution to journalArticle

Open Access
navigation
GPS
radar
telecommunication
plasma

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
traveling ionospheric disturbances
assimilation
data assimilation
ionospherics
Ionospheric measurement

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

thermosphere
ionosphere
mitigation
weather
biomass

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
polar regions
alternating current
direct current
gradients
electric fields

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

4 Citations

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

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

8 Citations

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
data assimilation
electrodynamics
thermosphere
electron density
electric field

Multiresolution tomography for the ionosphere

Panicciari, T. 2016

Research output: ThesisDoctoral Thesis

Open Access
File
wavelet
tomography
ionosphere
GNSS
spherical harmonics
1 Citations

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

ionosphere
GPS
electron density
data assimilation
vertical profile

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

4 Citations
Open Access
File
polar caps
turbulence
gradients
scintillation
Dynamics Explorer 2 satellite
10 Citations

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
upper atmosphere
physics
GNSS
modeling
electromagnetic wave
4 Citations

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

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
7 Citations

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

Research output: Contribution to journalArticle

geomagnetic storm
magnetic storms
polar regions
scintillation
GPS

Ionospheric modelling and Data Assimilation

Da Dalt, F. Apr 2015 (Unpublished) 144 p.

Research output: ThesisDoctoral Thesis

File
data assimilation
modeling
tomography
ionosphere
GPS

Topside Ionosphere/Plasmasphere Tomography Using Space-Borne Dual Frequency Gps Receivers

Pinto Jayawardena, T. Apr 2015 (Unpublished) 183 p.

Research output: ThesisDoctoral Thesis

File
tomography
ionosphere
COSMIC
GPS
remote sensing
1 Citations

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

Ionosphere
ionospheres
tomography
Tomography
ionosphere
2014
1 Citations

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

GPS
anomaly
plasma

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

1 Citations

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

tomography
ionosphere
GPS
satellite data
incorporation
2 Citations
COSMIC
electron density
radio
geomagnetic storm
extreme event
3 Citations

Ionospheric corrections for GPS time transfer

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

Research output: Contribution to journalArticle

Global Positioning System
ionospherics
Global positioning system
GPS
Tomography
6 Citations

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. Jan 2014 In : Radio Science. 49, 1, p. 19-27

Research output: Contribution to journalArticle

Open Access
File
ionospherics
Global positioning system
Global Positioning System
GPS
Imaging techniques

Method to measure the Stokes parameters of GPS signals

Benton, C. J. & Mitchell, C. N. Jan 2014 In : Radio Science. 49, 1, p. 7-8

Research output: Contribution to journalArticle

Open Access
File
Global Positioning System
Global positioning system
GPS
receivers
Circular polarization

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

61 Citations

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
Synthetic aperture radar
synthetic aperture radar
Systems analysis
spatial resolution
atmosphere

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

carbon sequestration
tomography
monitoring
seismic survey
overburden

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

Ionosphere
Tomography
Global positioning system
Earth (planet)
Carrier concentration

Why we’re preparing weather forecasts … in space

Mitchell, C. 9 Oct 2014 The Conversation

Research output: Contribution to specialist publicationArticle

Open Access
thunderstorm
freezing
planet
weather
winter
2013
7 Citations

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
File
thermosphere
ionosphere
plasma
data assimilation
electron density
12 Citations

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
DMSP satellites
dimethylsulfoniopropionate
Global Positioning System
scintillation
aurora
3 Citations

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
line of sight
GPS
electron
estimates
electrons
23 Citations

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

GPS
aurora
GNSS
F region
solar activity
8 Citations

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

climatology
Global Positioning System
tropical regions
polar regions
scintillation

Ionospheric Imaging and Scintillation Monitoring in the Antarctic and Arctic

Kinrade, J. Dec 2013 145 p.

Research output: ThesisDoctoral Thesis

Open Access
File
GPS
monitoring
GNSS
plasma
electron density

Ionospheric Specification and Forecasting

Chartier, A. 2013 (Unpublished) 117 p.

Research output: ThesisDoctoral Thesis

File
GPS
electron density
ionosphere
radio
electron
3 Citations

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
GNSS
ultrahigh frequencies
radiometers
radiometer
ionospherics