Publications

2024

• Massoud, A. A., Rodrigues, F. S., J. Sousasantos, Milla, M. A., Scipion, D., J. M. Apaza, K. M. Kueyng, and C. Padin, First climatology of F-region UHF echoes observed by the AMISR-14 system at the Jicamarca Radio Observatory and comparison with the climatology of VHF echoes observed by the collocated JULIA radar, Journal of Atmospheric and Solar-Terrestrial Physics, Accepted for publication, 2024.
• Sousasantos, J., Rodrigues, F. S., Gomez Socola, J., Pérez, C., Colvero, F., Martinis, C. R., & Wrasse, C. M., First observations of severe scintillation over low-to-mid latitudes driven by quiet-time extreme equatorial plasma bubbles: Conjugate measurements enabled by citizen science initiatives. Journal of Geophysical Research: Space Physics, 129, e2024JA032545. https://doi.org/10.1029/2024JA032545, 2024.
• Sousasantos, J., Rodrigues, F.S., Moraes, A.O. et al. On the estimation of scintillation severity using background F-region peak densities: description and example results using GOLD observations, GPS Solut 28, 62. https://doi.org/10.1007/s10291-023-01602-6, 2024.
• Moraes, A., Sousasantos, J., Costa, E., Pereira, B. A., Rodrigues, F., & Galera Monico, J. F., Characterization of scintillation events with basis on L1 transmissions from geostationary SBAS satellites, Space Weather, 22, e2023SW003656. https://doi.org/10.1029/2023SW003656, 2024.

2023

• Wright, I. G., Rodrigues, F. S., Gomez Socola, J., Moraes, A. O., Monico, J. F. G., Sojka, J., Scherliess, L., Layne, D., Paulino, I., Buriti, R. A., Brum, C. G. M., Terra, P., Deshpande, K., Vaggu, P. R., Erickson, P. J., Frissell, N. A., Makela, J. J. and D. Scipión, On the detection of a solar radio burst event that occurred on 28 August 2022 and its effect on GNSS signals as observed by ionospheric scintillation monitors distributed over the American sector, J. Space Weather Space Clim., 13, 28, DOI: 10.1051/swsc/2023027, 2023.
• Sousasantos, J., Rodrigues, F. S., Fejer, B. G., Abdu, M. A., Massoud, A. A., & Valladares, C. E., On the role of mild substorms and enhanced hall conductivity in the plasma irregularities onset and zonal drift reversals: Experimental evidence at distinct longitudes over South America, Earth and Space Science, 10, e2023EA003071, https://doi.org/10.1029/2023EA003071, 2023.
• Gomez Socola, J., Sousasantos, J., Rodrigues, F. S., Brum, C.G.M., Terra, P., Moraes, A.O., Eastes, R., On the quiet-time occurrence rates, severity and origin of L-band ionospheric scintillations observed from low-to-mid latitude sites located in Puerto Rico, Journal of Atmospheric and Solar-Terrestrial Physics,  Volume 250,  106123,  ISSN 1364-6826,  https://doi.org/10.1016/j.jastp.2023.106123, 2023.  
• Rodrigues, F.S., Milla, M.A., Scipion, D., J. M. Apaza, K. M. Kueyng, J. Sousasantos, A. A. Massoud, and C. Padin, On new two-dimensional UHF radar observations of equatorial spread F at the Jicamarca Radio Observatory. Earth Planets Space 75, 120. https://doi.org/10.1186/s40623-023-01876-7, 2023.
• Wright, I. G., Solanki, I., Desai, A., Socola, J. G. and F. S. Rodrigues, Student-led design, development and tests of an autonomous, low-cost platform for distributed space weather observations, J. Space Weather Space Clim., 13, 12. https://doi.org/10.1051/ swsc/2023010, 2023.
• Sousasantos, J., Gomez Socola, J., Rodrigues, F.S. et al., Severe L-band scintillation over low-to-mid latitudes caused by an extreme equatorial plasma bubble: joint observations from ground-based monitors and GOLD, Earth Planets Space, 75, 41, https://doi.org/10.1186/s40623-023-01797-5, 2023.
• Massoud, A. A., S. A. Shidler and F. S. Rodrigues, A height-dependent climatological model of the Equatorial ionospheric Zonal plasma Drifts (EZDrifts): Description and application to an analysis of the longitudinal variations of the zonal drifts, J. Space Weather Space Clim., 13, 8,  https://doi.org/10.1051/swsc/2023006, 2023.

2022

• Gomez Socola, J. and F. S. Rodrigues, ScintPi 2.0 and 3.0: low-cost GNSS-based monitors of ionospheric scintillation and total electron content, Earth Planets Space 74, 185, https://doi.org/10.1186/s40623-022-01743-x, 2022.
• Sousasantos, J.,  Affonso, B. J.,  Moraes, A.,  Rodrigues, F. S.,  Abdu, M. A.,  Salles, L. A., &  Vani, B. C., Amplitude scintillation severity and fading profiles under alignment between GPS propagation paths and Equatorial Plasma Bubbles. Space Weather,  20, e2022SW003243. https://doi.org/10.1029/2022SW003243, 2022.
• Freitas, M. J. S., Moraes, A., Marques, J. C., Rodrigues, F., A contribution to real-time space weather monitoring based on scintillation observations and IoT,  Advances in Space Research,  70, Issue 2, 456-469,  ISSN 0273-1177, https://doi.org/10.1016/j.asr.2022.04.058, 2022.
• Shidler, S. A. and Rodrigues, F. S. An electrodynamics model for Data Interpretation and Numerical Analysis of ionospheric Missions and Observations (DINAMO), Prog Earth Planet Sci 9, 7, https://doi.org/10.1186/s40645-021-00462-3, 2022.

2021

• Rodrigues, F. S., Socola, J. G., Moraes, A. O., Martinis, C., and Hickey, D. A., On the properties of and ionospheric conditions associated with a mid-latitude scintillation event observed over southern United States. Space Weather, 19, e2021SW002744. https://doi.org/10.1029/2021SW002744, 2021.
• Portella, I. P., de O. Moraes, A., da Silva Pinho, M., de Sousasantos, J., and Rodrigues, F. S. ,Examining the tolerance of GNSS receiver phase tracking loop under the effects of severe ionospheric scintillation conditions based on its bandwidth, Radio Science, 56, e2020RS007160, https://doi.org/10.1029/2020RS007160, 2021.
• Shidler, S.A., and Rodrigues, F.S., On a simple, data-aided analytic description of the morphology of equatorial F-region zonal plasma drifts, Prog Earth Planet Sci, 8, 26, https://doi.org/10.1186/s40645-021-00417-8, 2021.

2020

• Mrak, S., Semeter, J., Nishimura, Y., Rodrigues, F. S., Coster, A. J., & Groves, K., Leveraging geodetic GPS receivers for ionospheric scintillation science. Radio Science, 55, e2020RS007131, https://doi.org/10.1029/2020RS007131.
• Shidler, S.A., and Rodrigues, F.S., Modeling equatorial ionospheric vertical plasma drifts using machine learning, Earth Planets Space 72, 102, https://doi.org/10.1186/s40623-020-01227-w, 2020.
• Paulino, I., Figueiredo, C. A. O. B., Rodrigues, F. S., Buriti, R. A., Wrasse, C. M., Paulino, A. R., et al. Atmospheric gravity waves observed in the nightglow following the 21 August 2017 total solar eclipse, Geophysical Research Letters, 47, e2020GL088924. https://doi.org/10.1029/2020GL088924, 2020.

2019

• Rodrigues, F. S.,  Zhan, W.,  Milla, M. A.,  Fejer, B. G.,  de Paula, E. R.,  Neto, A. C., et al.,  MELISSA: System description and spectral features of pre‐ and post‐midnight F‐region echoes. Journal of Geophysical Research Space Physics Space Physics,  124,  10482– 10496. https://doi.org/10.1029/2019JA027445, 2019.
• Rodrigues, F. S., &  Moraes, A. O.,  ScintPi: A Low‐Cost, Easy‐to‐Build GPS Ionospheric Scintillation Monitor for DASI Studies of Space Weather, Education, and Citizen Science Initiatives, Earth and Space Science,  6,  1547– 1560. https://doi.org/10.1029/2019EA000588, 2019.
• Shidler, S. A., &  Rodrigues, F. S.,  On the magnitude and variability of height gradients in the equatorial F region vertical plasma drifts, Journal of Geophysical Research: Space Physics,  124,  4916– 4925. https://doi.org/10.1029/2019JA026661, 2019.
• Shidler, S. A.,  Rodrigues, F.,  Fejer, B. G., &  Milla, M., Radar studies of height‐dependent equatorial F region vertical and zonal plasma drifts, Journal of Geophysical Research: Space Physics,  124, 2058– 2071. https://doi.org/10.1029/2019JA026476, 2019.

2018

• de O. Moraes, A.,  Vani, B. C.,  Costa, E.,  Sousasantos, J.,  Abdu, M. A.,  Rodrigues, F., et al., Ionospheric scintillation fading coefficients for the GPS L1, L2, and L5 frequencies, Radio Science,  53, 1165– 1174. https://doi.org/10.1029/2018RS006653, 2018.
• Zhan, W., Rodrigues, F., & Milla, M., On the genesis of postmidnight equatorial spread F: Results for the American/Peruvian sector, Geophysical Research Letters, 45, 7354– 7361. https://doi.org/10.1029/2018GL078822, 2018.
• F. S. Rodrigues, D. Hickey, W. Zhan, C. Martinis, B. G. Fejer, M. Milla, and J. Arratia, Multi-instrumented observations of the equatorial F -region during June solstice: large scale wave structures and spread-F, Progress in Earth and Planetary Science, 5(1), doi:10.1186/s40645-018-0170-0, 2018.

2017

• Zhan, W. and F. S. Rodrigues, June solstice equatorial spread F in the American sector: A numerical assessment of linear stability aided by incoherent scatter radar measurements, Journal of Geophysical Research: Space Physics, 122. https://doi.org/10.1002/2017JA024969, 2017.
• Moraes, A. O., E. Costa, M. A. Abdu, F. S. Rodrigues, E. R. de Paula, K. Oliveira, and W. J. Perrella, The variability of low-latitude ionospheric amplitude and phase scintillation detected by a triple- frequency GPS receiver, Radio Sci., 52, doi:10.1002/2016RS006165, 2017.
• Rodrigues, F. S., de Paula, E. R., and G. K. Zewdie, High-resolution coherent backscatter interferometric radar images of equatorial spread F using Capon’s method, Ann. Geophys., 35, 393-402, doi:10.5194/angeo-35-393-2017, 2017.

2016

• Ramadan, Y. R., Y. Dai, H. Minn and F. S. Rodrigues, Spectrum sharing between WiFi and radio astronomy, 2016 Radio Frequency Interference (RFI), Socorro, NM, USA, pp. 90-95.doi: 10.1109/RFINT.2016.7833538, 2016.
• Smith, J. M., F. S. Rodrigues, B. G. Fejer, and M. A. Milla, Coherent and incoherent scatter radar study of the climatology and day-to-day variability of mean F region vertical drifts and equatorial spread F, J. Geophys. Res. Space Physics, 121, 1466–1482, doi:10.1002/2015JA021934, 2016.

2015

• Hickey, D. A., C. R. Martinis, F. S. Rodrigues, R. H. Varney, M. A. Milla, M. J. Nicolls, A. Strømme, and J. F. Arratia, Concurrent observations at the magnetic equator of small-scale irregularities and large- scale depletions associated with equatorial spread F, J. Geophys. Res. Space Physics, 120, doi:10.1002/2015JA021991, 2015.
• Smith, J. M., Rodrigues, F. S., and de Paula, E. R.: Radar and satellite investigations of equatorial evening vertical drifts and spread F, Ann. Geophys., 33, 1403-1412, doi:10.5194/angeo-33-1403-2015, 2015.
• Zewdie, G. K., F. S. Rodrigues, and E. R. de Paula, MELISSA: Initial results of equatorial spread F observations, Proceedings of the 14th International Ionospheric Effects Symposium, Crowne Plaza Hotel, Alexandria, VA, USA, May 12-14, 2015.
• Rodrigues, F. S., M. J. Nicolls, M. A. Milla, J. M. Smith, R. H. Varney, A. Strømme, C. Martinis, and J. F. Arratia, AMISR-14: Observations of equatorial spread F, Geophys. Res. Lett., 42, 5100–5108, doi:10.1002/2015GL064574, 2015.
• Hysell, D. L., M. A. Milla, F. S. Rodrigues, R. H. Varney, and J. D. Huba, Topside equatorial ionospheric density, temperature, and composition under equinox, low solar flux conditions, J. Geophys. Res. Space Physics, 120, doi:10.1002/2015JA021168, 2015.
• Rodrigues, F. S., J. M. Smith, M. Milla and R. A. Stoneback, Daytime ionospheric equatorial vertical drifts during the 2008–2009 extreme solar minimum, J. Geophys. Res. Space Physics, 120:1452–1459. doi: 10.1002/2014JA020478, 2015.

2014

• M. Pinnock, J. Klenzing, J. Retterer, L. C. Gentile, R. Stoneback, O. De La Beaujardiere, and F. S. Rodrigues, Annales Geophysicae Special Issue: C/NOFS results and equatorial ionospheric dynamics, Ann. Geophys., 32, 2014.
• Kelley, M. C., Rodrigues, F. S., Pfaff, R. F., and J. Klenzing; Observations of the generation of eastward equatorial electric fields near dawn, Ann. Geophys., 32, 1169-1175, doi:10.5194/angeo-32-1169-2014, 2014.
• Shume, E. B., F. S. Rodrigues, A. J. Mannucci, and E. R. de Paula, Modulation of equatorial electrojet irregularities by atmospheric gravity waves, J. Geophys. Res. Space Physics, 119, 366–374, doi:10.1002/2013JA019300, 2014.

2013

• Rodrigues, F. S., Shume, E. B., de Paula, E. R., and Milla, M.: Equatorial 150 km echoes and daytime F region vertical plasma drifts in the Brazilian longitude sector, Ann. Geophys., 31, 1867-1876, doi:10.5194/angeo-31-1867-2013, 2013.
• Shume, E. B., F. S. Rodrigues, E.R. de Paula, I.S. Batista, M.D. Butala, D.A. Galvan, Day-time F region echoes observed by the São Luís radar, Journal of Atmospheric and Solar-Terrestrial Physics, 103, pp. 48-55, http://dx.doi.org/10.1016/j.jastp.2013.02.003.2012, 2013.
• Moraes, A. O., E. R. de Paula, W. J. Parrella, and F. S. Rodrigues, On the distribution of GPS signal amplitudes during low-latitude ionospheric scintillation, GPS Solutions, 17, 4, http://dx.doi.org/10.1007/s10291-012-0295-3, 2013.

2012

• Heelis, R. A., G. Crowley, F. S. Rodrigues, A. Reynolds, R. Wilder, I. Azeem, and A. Maute, The role of zonal winds in the production of a pre-reversal enhancement in the vertical ion drift in the low latitude ionosphere, J. Geophys. Res., 117, A08308, doi:10.1029/2012JA017547, 2012.
• Rodrigues, F. S., G. Crowley, R. A. Heelis, A. Maute, and A. Reynolds, On TIE-GCM simulation of the evening equatorial plasma vortex, J. Geophys. Res., 117, A05307, doi:10.1029/2011JA017369, 2012.
• Rodrigues, F. S., A. O. Moraes, and E. R. de Paula, Imaging equatorial spread F irregularities with the Sao Luis coherent backscatter radar interferometer, Radio Sci., 47, RS0L03, doi:10.1029/2011RS004929, 2012.
• Nicolls, M. J., F. S. Rodrigues, and G. S. Bust, Global observations of E region plasma density morphology and variability, J. Geophys. Res., 117, A01305, doi:10.1029/2011JA017069, 2012.
• Crowley, G., and F. S. Rodrigues, Characteristics of traveling ionospheric disturbances observed by the TIDDBIT sounder, Radio Sci., 47, RS0L22, doi:10.1029/2011RS004959, 2012.
• Moraes, A. O., F. S. Rodrigues, W. J. Perrela, and E. R. de Paula, Analysis of the characteristics of low-latitude GPS amplitude scintillation measured during solar maximum conditions and implications for receiver performance, Surveys in Geophysics, 33, 5, 1107-1131, 2012.

2011

• Rodrigues, F. S., G. Crowley, S. M. I. Azeem, and R. A. Heelis, C/NOFS observations of the equatorial ionospheric electric field response to the 2009 major sudden stratospheric warming event, Journal of Geophysical Research: Space Physics, 116, A09316, doi:10.1029/2011JA016660, 2011.
• Rodrigues, F. S., E. R. de Paula, and J. L. Chau, On the characteristics of 150-km echoes observed in the Brazilian longitude sector by the 30 MHz Sao Luis radar, Annales Geophysicae, 29, 1905-1916, doi: 10.5194/angeo-29-1905-2011, 2011.
• Brum, C. G. M., F. S. Rodrigues, P. T. dos Santos, A. C. Matta, N. Aponte, S. A. Gonzalez, and E. Robles, A modeling study of foF2 and hmF2 parameters measured by the Arecibo incoherent scatter radar and comparison with IRI model predictions for solar cycles 21, 22, and 23, Journal of Geophysical Research: Space Physics, 116, A03324, doi:10.1029/2010JA015727, 2011.

2009

• Rodrigues, F. S., M. C. Kelley, P. A. Roddy, D. E. Hunton, R. F. Pfaff, O. de La Beaujardire, and G. S. Bust, C/NOFS observations of intermediate and transitional scale size equatorial spread irregularities, Geophysical Research Letters, 36, L00C05, doi:10.1029/2009GL038905, 2009.
• Nicolls, M. J., F. S. Rodrigues, G. S. Bust, and J. L. Chau, Estimating E region density proÞles from radio occultation measurements assisted by IDA4D, Journal of Geophysical Research: Space Physics, 114, A10316, doi:10.1029/2009JA014399, 2009.
• Fritts, D. C., M. A. Abdu, B. R. Batista, I. S. Batista, P. P. Batista, R. Buriti, B. R. Clemesha, T. Dautermann, E. R. de Paula, B. J. Fechine, B. G. Fejer, D. Gobbi, J. Haase, F. Kamalabadi, E. A. Kherani, B. Laughman, P. P. Lima, H.-L. Liu, A. Medeiros, P.-D. Pautet, D. M. Riggin, F. S. Rodrigues, F. S‹o Sabbas, J. H. A. Sobral, P. Stamus, H. Takahashi, M. J. Taylor, S. L. Vadas, F. Vargas, and C. M. Wrasse, Overview and summary of the Spread F Experiment (SpreadFEx), Annales Geophysicae, 27, 2141-2155, 2009.
• Kelley, M. C., F. S. Rodrigues, J. J. Makela, R. T. Tsunoda, P. A. Roddy, D. E. Hunton, J. M. Retterer, O. D. L. Beaujardiere, E. R. de Paula, and R. R. Ilma, C/NOFS and radar observations during a convective ionospheric storm event over South America, Geophysical Research Letters, 36, L00C07, doi:10.1029/2009GL039378, 2009.

2008

• Shume, E. B., E. R. de Paula, S. Maus, D. L. Hysell, F. S. Rodrigues, and A. Bekele, Equatorial zonal electric fields inferred from a 3-D electrostatic potential model and ground-based magnetic field measurements, Journal of Geophysical Research: Space Physics, 114, A06305, doi:10.1029/2009JA014158. 2009.
• Rodrigues, F. S., D. L. Hysell, and E. R. de Paula, Coherent backscatter radar imaging in Brazil: large-scale waves in the bottomside F-region at the onset of equatorial spread F, Annales Geophysicae, 26, 3355- 3364, 2008.

2007

• Hysell, D. L., F. S. Rodrigues, J. L. Chau, and J. Huba, Full-profile incoherent scatter analysis at Jicamarca, Annales Geophysicae, 26, 59-75, 2008.
• Rodrigues, F. S., M. J. Nicolls, and D. L. Hysell, Improved electron density measurements at Jicamarca, Journal of Geophysical Research: Space Physics, 112, A11315, doi:10.1029/2007JA012598, 2007.
• Rodrigues, F. S., M. J. Nicolls, R. Woodman, D. L. Hysell, J. L. Chau, and S. A. Gonzlez, Iongyroresonance observations at Jicamarca revisited, Geophysical Research Letters, 34, L13107, doi:10.1029/2007GL029680, 2007.
• Lei, J., S. Syndergaard, A. G. Burns, S. C. Solomon, W.Wang, Z. Zeng, R. G. Roble, Q. Wu, Y-H. Kuo, J. M. Holt, S-R. Zhang, D. L. Hysell, F. S. Rodrigues, and C. H. Lin, Comparison of COSMIC ionospheric measurements with ground-based observations and model predictions: Preliminary results, Journal of Geophysical Research, 112, A07308, doi:10.1029/2006JA012240, 2007.
• de Paula, E. R., E. A. Kherani, M. A. Abdu, I. S. Batista, J. H. A. Sobral, I. J. Kantor, H. Takahashi, L. F. C. de Rezende, M. T. A. H. Muella, F. S. Rodrigues, P. M. Kintner, B. M. Ledvina, C. Mitchell and K. M. Groves, Characteristics of the ionospheric F-region plasma instabilities over Brazilian longitudinal Sector, Indian Journal of Radio and Space Physics, 36, 268-277, 2007.

2005

• Aquino, M., F. S. Rodrigues, J. Souter, T. Moore, A. Dodson and S. Waugh, Ionospheric scintillation and impact on GNSS users in Northern Europe: results of a 3-year study, Space Communications Journal, IOS Press, 20, 17-29, 2005.
• Aquino, M., T. Moore, A. Dodson, S. Waugh, J. Souter, and F. S. Rodrigues, Implications of ionospheric scintillation for GNSS users in Northern Europe, Journal of Navigation, 58(2), 241-256, 2005.

2004

• Rodrigues, F. S., M. H. O. Aquino, A. Dodson, T. Moore, and S. Waugh, Statistical Analysis of GPS Ionospheric Scintillation and Short-Time TEC Variations Over Northern Europe, Journal of the Institute of Navigation, 51(1), 59-75, 2004.
• Rodrigues, F. S., E. R. de Paula, M. A. Abdu, A. C. Jardim, K. N. Iyer, P. M. Kintner, and D. L. Hysell, Equatorial spread F irregularity characteristics over So Luis, Brazil, using VHF radar and GPS scintillation techniques, Radio Science, 39, RS1S31, doi:10.1029/2002RS002826, 2004.
• Rodrigues, F. S., C. G. M. Brum, K. Makita, M. Nishino, E. R. De Paula, M. A. Abdu, K. Nozaki, D. B.Contreira, M. R. Da Silva, and N. J. Schuch, Commercial radio receiver for lower ionosphere monitoring: initial results, Geofisica Internacional, 43, 193-198, 2004.
• de Paula, E. R., K. N. Iyer, D. L. Hysell, F. S. Rodrigues, E. A. Kherani, A. C. Jardim, L. F. C.Rezende, S. G. Dutra and N. B. Trivedi Multi-technique investigations of storm-time ionospheric irregularities over the Sao Luis equatorial station in Brazil, Annales Geophysicae, 22, 3513-3522, 2004.
• Contreira, D. B., F. S. Rodrigues, K. Makita, C. G. M. Brum, W. Gonzalez, N. B. Trivedi, M.R. da Silva and N..J. Schuch, An experiment to study solar effects on radio-communication signals, Advances in Space Research, 36(12), 2455-2459, 2004.

2003

• de Paula, E. R., F. S. Rodrigues, K. N. Iyer, I. J. Kantor, M. A. Abdu, P. M. Kintner, B. M. Ledvina, and H. Kil, Equatorial Anomaly Effects on GPS Scintillations in Brazil, Advances in Space Research, 31(3), 749- 754, 2003.

2002

• Nishino, M., K. Makita, K. Yumoto; F. S. Rodrigues, N. J. Schuch, and M. A. Abdu Unusual ionospheric absorption characterizing energetic electron precipitation into the South Atlantic Anomaly, Earth, Planets and Space, 54, 907-916, 2002.