Presentations

2024

  • F. S. Rodrigues, D. Scipion, M. A. Milla, D. L. Hysell, J. L. Chau, and K. Obenberger, Expanding the observational capabilities of the Jicamarca incoherent scatter radar, URSI AT-RASC, Session G08: Advances in Incoherent Scatter Radars, Gran Canaria, Spain, May 19-24, 2024.
  • F. S. Rodrigues, J. Gomez Socola, I. G. Wright, and J. Sousasantos, On the use of ScintPi monitors in research, education, and citizen science applications, URSI AT-RASC, Session G01 : Advances in Monitoring, Modelling and Forecasting of Ionospheric Irregularities and Scintillation, Gran Canaria, Spain, May 19-24, 2024.
  • [Invited] F. S. Rodrigues, On ground-based instrumentation for ionospheric research: challenges and opportunities, URSI AT-RASC, Session HGE2 : Meet the HGE Experts, Gran Canaria, Spain, May 19-24, 2024.
  • I. G. Wright, F. S. Rodrigues, J. Gomez Socola, A. O. Moraes, J. F. Galera Monico, J. J. Sojka, L. Scherliess, D. Layne, I. Paulino, R. Buriti, C. G. M. Brum, P. T. Terra, K. Deshpande, P. R. Vaggu, P. J. Erickson, N. A. Frissell, J. J. Makela, and D. Scipion, On the use of observations made by distributed low-cost scintillation and TEC monitors to aid detection of solar radio bursts and determine their impact on GNSS signals, Triennial Earth-Sun Summit (TESS), Dallas, TX, April 7-12, 2024.
  • J. Gomez Socola and F. S. Rodrigues, A distributed array of low-cost GNSS-based sensors for monitoring and studies of mid- latitude ionospheric irregularities and scintillation, USNC-URSI National Radio Science Meeting, Boulder, CO, January 9-12, 2024.
  • A. Massoud, F. S. Rodrigues, J. Sousasantos, M. Milla, D. Scipion, J. Apaza, K. Kuyeng, and C. Padin, Climatology of equatorial F-Region UHF coherent backscatter radar echoes and comparison with collocated VHF radar observations, USNC-URSI National Radio Science Meeting, Boulder, CO, January 9-12, 2024.

2023

  • A. A. Massoud, S. Shidler, F. S. Rodrigues, A height-dependent climatological model of the equatorial ionospheric zonal plasma drifts (EZDrifts): Description and application to an analysis of spatial variabilities in the neutral wind dynamo, AGU Fall Meeting, San Francisco, CA, Dec. 11-15, 2023.
  • J. Gomez Socola, F. S. Rodrigues, I. Paulino and R. Buriti, Recent advances on low latitude irregularity drift estimation using the spaced receiver technique: seasonal and solar flux variabilities of the ionopshere-thermosphere dynamics, AGU Fall Meeting, San Francisco, CA, Dec. 11-15, 2023.
  • [Invited] F. S. Rodrigues, On advances in ground-based radio instrumentation for studies of the Earth’s ionosphere, Physics Colloquium, University of Texas at Arlington, Arlington, TX, November 1, 2023.
  • [Invited] F. S. Rodrigues, New two‐dimensional UHF radar observations of equatorial spread F at the Jicamarca Radio Observatory, 3rd International Workshop on Equatorial Plasma Bubbles (EPB‐3), Indian Institute of Geomagnetism, Mumbai, India, September 13-15, 2023.
  • [Invited] F. S. Rodrigues, Observations of ionospheric scintillation associated with equatorial plasma bubbles at low and mid latitudes using low‐cost GNSS‐based monitors, 3rd International Workshop on Equatorial Plasma Bubbles (EPB‐3), Indian Institute of Geomagnetism, Mumbai, India, September 13-15, 2023.
  • M. A. Milla, F. S. Rodrigues, K. Kuyeng, J. Apaza, and D, Scipión, Modeling AMISR-14 perpendicular-to-B and lower-hybrid line spectral measurements at the magnetic equator, XXXVth URSI General Assembly Scientific Symposium, Sapporo, Japan, August 19 – 26, 2023.
  • F. S. Rodrigues, M. A. Milla, D. Scipion, D. L. Hysell, J. L. Chau, and K. Obenberger, Expanding the Jicamarca Radio Observatory Radar Capabilities, XXXVth URSI General Assembly Scientific Symposium, Sapporo, Japan, August 19 – 26, 2023.
  • [Invited] F. S. Rodrigues, M. A. Milla, D. Scipion, J. Apaza, K. Kuyeng, and C. Padin, New two-dimensional UHF radar observations of space weather at the Jicamarca Radio Observatory, XXXVth URSI General Assembly Scientific Symposium, Sapporo, Japan, August 19 – 26, 2023.
  • J. Gomez Socola, F. S. Rodrigues, I. G. Wright and J. Sousasantos, ScintPi: A brief introduction and examples of applications requiring Distributed Arrays of Small Instruments (DASI), 2023 CEDAR Workshop, Session CEDAR science advances enabled by distributed ground-based instrument networks, San Diego, CA, June 25-30, 2023.
  • J. Gomez Socola and F. S. Rodrigues, Alternative instrumentation and effort for monitoring and studies of mid-latitude ionospheric irregularities and scintillation, 2023 CEDAR Workshop, Session Current and Future Instrumentation and Experiments at Mid-latitudes, San Diego, CA, June 25-30, 2023.
  • A. Massoud, F. S. Rodrigues, M. Milla, D. Scipion, K. Kuyeng, J. Martinez, and C. Padin, Climatology of equatorial UHF coherent backscatter F-region radar echoes determined from AMISR-14 measurements at the Jicamarca Radio Observatory, 2023 CEDAR Workshop, San Diego, CA, June 25-30, 2023.
  • I. Wright, J. G. Socola, and F. S. Rodrigues, Using low-cost scintillation monitor (ScintPi) measurements to evaluate the elongation of equatorial L-Band scintillation patterns, 2023 CEDAR Workshop, San Diego, CA, June 25-30, 2023.
  • J. Gomez Socola, F. S. Rodrigues, I. Paulino and R. Buriti, Estimation of low-latitude ionospheric irregularity drifts using spaced low-cost GNSS-based scintillation monitors (ScintPi), 2023 CEDAR Workshop, San Diego, CA, June 25-30, 2023.
  • J. Sousasantos, F. S. Rodrigues, B. G. Fejer, M. A. Abdu, A. A. Massoud and C. E. Valladares, On the mechanisms favoring the development of plasma irregularities and zonal drift reversals during mild geomagnetic conditions, 2023 CEDAR Workshop, San Diego, CA, June 25-30, 2023.
  • F. S. Rodrigues, Remote sensing the near Earth space environment: Fundamental science and applications, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil, June 12, 2023.
  • [Invited] F. S. Rodrigues, J. Sousasantos, J. Gomez Socola, C. G. M. Brum, P. Terra, R. Eastes and A. O. Moraes, On results related to new ground-based measurements of ionospheric L-Band scintillation at low to mid latitudes aided by GOLD observations, GOLD Team Meeting, Vail, CO, April 5, 2023.
  • J.G. Socola, F.S. Rodrigues, I. Wright, R. Buriti and I. Paulino, Estimation of ionospheric irregularity drifts using spaced low-cost scintillation monitors, USNC-URSI National Radio Science Meeting, Boulder, CO, January 10-14, 2023.

2022

  • [Invited] F. S. Rodrigues and Socola, J. G., A GNSS-based sensor network for monitoring mid-latitude ionospheric scintillation and irregularities over the United States: Description and initial results, American Geophysical Union (AGU) Fall Meeting, Chicago, IL, December 12-16, 2022.
  • I. G. Wright, Solanki, I, A. Desai, Socola, J. G. and F. S. Rodrigues, Autonomous platform for distributed ionospheric studies and citizen science initiatives, American Geophysical Union (AGU) Fall Meeting, Chicago, IL, December 12-16, 2022.
  • J. Sousasantos, F. S. Rodrigues, B. G. Fejer and M. A. Abdu, Satellite-based, wide-coverage probing data and numerical simulations, a conjoint paradigm to advance the understanding of space weather and low-latitude ionospheric phenomenology, American Geophysical Union (AGU) Fall Meeting, Chicago, IL, December 12-16, 2022.
  • [Invited] F. S. Rodrigues, Socola, J. G. and I. G. Wright, On Ionospheric Scintillation And Total Electron Content Observations Made By Low-Cost GNSS-Based Radio Sensors, XIII Latin American Conference on Space Geophysics – COLAGE, Sao Jose dos Campos, Brazil, Nov. 27 – Dec. 3rd, 2022.
  • [Invited] F. S. Rodrigues, Socola, J. G., Sousasantos, J., Milla, M. A., Apaza, J. M., Kuyeng, K. M., Scipion, D. and C. Padin, On two-dimensional dynamics of equatorial spread F structures observed by AMISR-14, Jicamarca Radio Observatory 60th Anniversary Workshop, Lima, Peru, 25-27 July, 2022.
  • F. S. Rodrigues, Socola, J. G. and I. G. Wright, Distributed observations of ionospheric irregularities and scintillation using low-cost GNSS-based monitors, Jicamarca Radio Observatory 60th Anniversary Workshop, Lima, Peru, 25-27 July, 2022.
  • [Invited] F. S. Rodrigues, Socola, J. G., and I. G. Wright, Low-cost sensors for distributed ionospheric observations:  Description, performance and examples of applications  from equatorial to mid-latitudes, 2022 CEDAR Workshop, Session “Recent advances in the understanding of Equatorial Ionization Anomaly (EIA) and ionospheric irregularities”, Austin, TX, 19-24 June, 2022.
  • [Invited] F. S. Rodrigues, Socola, J. G., Sousasantos, J., Milla, M. A., Apaza, J. M., Kuyeng, K. M., Scipion, D. and C. Padin, AMISR-14 observations at Jicamarca: ESF mode description, examples of measurements and status of operations, 2022 CEDAR Workshop, Session “New capabilities for studying equatorial aeronomy and space weather”, Austin, TX, 19-24 June, 2022.
  • J. G. Socola, Rodrigues, F. S., Brum, C. G. M., and P. T. dos Santos, On distributed observations of ionospheric irregularities and L-Band scintillation from Puerto Rico, 2022 CEDAR Workshop, Austin, TX, 19-24 June, 2022.
  • J. Apaza, K. Kuyeng, R. Flores, D. Scipión, F. Rodrigues, and M. Milla, Preliminary AMISR-14 radar observations of F-region incoherent backscatter echoes at the Jicamarca Radio Observatory, 2022 CEDAR Workshop, Austin, TX, 19-24 June, 2022.
  • A. Massoud, Shidler, S. and F. S. Rodrigues, EZDrifts: An analytic global model of the Equatorial F-region Zonal plasma Drifts, 2022 CEDAR Workshop, Austin, TX, 19-24 June, 2022.
  • J. Soussantos, Abdu, M. A., Paula, E. R., Moraes, A. O., Salles, L. A., Affonso, B. J. and F. S. Rodrigues, Ionospheric scintillation control by antipodal vertical drift asymmetries, 2022 CEDAR Workshop, Austin, TX, 19-24 June, 2022.
  • I. G. Wright, Solanki, I., Desai, A., Socola, J. G. and F. S Rodrigues, Autonomous Platform for Distributed Ionospheric Studies and Citizen Science Initiatives, 2022 CEDAR Workshop, Austin, TX, 19-24 June, 2022.

2021

  • [Invited] F. S. Rodrigues, On new observational capabilities for ground-based radio observations of ionospheric irregularities, Physics Department Seminar Series, Aeronautics Institute of Technology (ITA), Sao Jose dos Campos, Brazil, October 20, 2021.
  • [Invited] F. S. Rodrigues, On new observational capabilities for  ionospheric monitoring and specification, NOAA Space Weather Prediction Center (SWPC) Seminar Series, September 23, 2021.
  • [Invited] F. S. Rodrigues, On efforts towards new observational capabilities for advancing understanding  of ionospheric irregularities and scintillation, National Center for Atmospheric Research High Altitude Observatory (NCAR/HAO) Colloquium, August 25, 2021.
  • I. Wright, J. G. Socola and F. S. Rodrigues, Creating opportunities for student training and citizen science using ScintPi, CEDAR Workshop Virtual Meeting, June 20-25, 2021.
  • S. A. Shidler and F. S. Rodrigues, Modeling Studies of the Morphology of Equatorial Plasma Drifts, CEDAR Workshop Virtual Meeting, June 20-25, 2021.
  • [Invited] F. S. Rodrigues and J. G. Socola, New sensors for distributed space weather observations, CEDAR Workshop Virtual Meeting, Session Geospace observations and space weather studies at the magnetic equator, June 20-25, 2021.
  • F. S. Rodrigues, J. G. Socola, A. O. Moraes, C. Martinis and D. Hickey, The properties of and ionospheric conditions associated with a moderate-to-strong scintillation event observed in Dallas, TX, 2021 CEDAR Workshop Virtual Meeting, Session Space Weather impacts on GNSS applications at Mid-latitudes, June 20-25, 2021.
  • F. S. Rodrigues and M. A. Milla, AMISR-14 studies of low-latitude ionospheric F-region irregularities, VIII SBGEA & VIII SimFAST Joint Symposium (Virtual), March 22-26, 2021.
  • S. A. Shidler and F. S. Rodrigues, On the Application of the Random Forest Technique to Model Equatorial Ionospheric Vertical Drifts, 101st American Meteorological Society Annual Meeting – Virtual, Jan. 10-15, 2021.
  • F. S. Rodrigues, J. G. Socola, I. Wright, A. O. Moraes, and M. Freitas, On the application of low-cost ionospheric scintillation monitors to distributed sensor studies of ionospheric irregularities, 2021 National Rado Science Meeting – Virtual, Jan. 4-9, 2021.

2020

  • [Invited] F. S. Rodrigues, J. G. Socola, A. O. Moraes, and M. A. Milla, Experimental ionospheric studies using low-cost sensors: Initial results and potential for new scientific collaborations and educational opportunities, International Symposium on Physics, Online, Universidade Federal de Campina Grande, Campina Grande, Brazil, Dec. 15-18, 2020.
  • J. G. Socola, F. S. Rodrigues, and A. O. Moraes, ScintPi 2.0: Description and first results, American Geophysical Union (AGU) Fall Meeting, Online, December 1-17, 2020.
  • S. A. Shidler and F. S. Rodrigues, Modeling low-latitude ionospheric vertical drifts using the random forest technique, American Geophysical Union (AGU) Fall Meeting, Online, December 1-17, 2020.

2019

  • Rodrigues, F. S and A. O. Moraes, ScintPi: An inexpensive, easy‐to‐build ionospheric scintillation monitor for distributed sensor studies of space weather, education, and citizen science initiatives, AGU Fall Meeting, San Francisco, CA, Dec. 9-13, 2019. 
  • [Invited] Rodrigues, F. S and E. R. de Paula, Potential contributions from scintillation monitors and VHF coherent scatter radar measurements to a plasma bubble observation campaign, Equatorial Plasma Bubble Campaign Workshop, INPE, Sao Jose dos Campos, SP, Brazil, Sep. 25-26, 2019.
  • [Invited] Rodrigues, F. S, W. Zhan M. A. Milla, On radar studies of post-midnight equatorial spread F in the American sector, 27th IUGG General Assembly, Montreal Canada, July 8-18, 2019. 
  • Shidler, S. A. and F. S. Rodrigues, On the magnitude and variability of height gradients in the equatorial F-region vertical plasma drifts, 2019 CEDAR Workshop, Santa Fe, NM, June 16-21, 2019. 
  •  Zhan, W. and F. S. Rodrigues, M. A. Milla, E. R. de Paula, and A. M. Santos, MELISSA studies of equatorial spread F: Post-midnight events, 2019 CEDAR Workshop, Santa Fe, NM, June 16-21, 2019. 
  • Rodrigues, F. S., W. Zhan, and M. A. Milla, JULIA studies of post-midnight equatorial spread F events during the 2008/2009 solar minimum, 2019 National Radio Science Meeting (NRSM), Boulder, CO, January 9-12, 2019.

2018

  • [Invited] Rodrigues, F. S., Ground-based radar studies of the Geospace at low latitudes and Space Weather, VII Brazilian Symposium of Space Physics and Aeronomy, Santa Maria, RS, Brazil, November 5-9, 2018. 
  • Fejer, B. G., and F. S. Rodrigues, The electrodynamics of the equatorial lower ionosphere, 42nd COSPAR Scientific Assembly, Pasadena, CA, August 14-22, 2018. 
  • Shidler, S., F. S. Rodrigues, and B. G. Fejer, Data-aided model estimation of the morphology of equatorial zonal plasma drift, 2018 CEDAR Workshop, Santa Fe, NM, June 25-29, 2018. 
  • Zhan, W., F. S. Rodrigues, and M. A. Milla, On the origin of post-midnight equatorial spread F events during the 2008/2009 extreme solar minimum, 2018 CEDAR Workshop, Santa Fe, NM, June 25-29, 2018. 
  • [Invited] Rodrigues, F. S., Multi-instrumented observations of June solstice ESF at the Jicamarca Radio Observatory, 2018 CEDAR Workshop, Session Integrative Space Weather at Low Magnetic Latitudes, Santa Fe, NM, June 25-29, 2018. 
  • [Invited] Rodrigues, F. S., E. R. de Paula and M. A. Milla, Radar imaging equatorial spread F events, 11th Latin American Conference on Space Geophysics – XI COLAGE, Buenos Aires, Argentina, April 16-20, 2018. 
  • Rodrigues, F. S., Multi-instrumented studies of typical and atypical equatorial spread F in the American sector, AFOSR Space Science Program Review, Albuquerque, NM, Jan. 24-26, 2018.
  • [Invited] Rodrigues, F. S., On imaging low-latitude F-region ionospheric structures using a small, low-power coherent backscatter radar interferometer, USNC-URSI National Radio Science Meeting, Boulder, CO, January 4-7, 2018.
  • 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, USNC-URSI National Radio Science Meeting, Boulder, CO, January 4-7, 2018. 
  • Shidler, S., F. S. Rodrigues, and B. G. Fejer, On the morphology of the equatorial vortex, USNC-URSI National Radio Science Meeting, Boulder, CO, January 4-7, 2018. 

2017

2016

  • M. Proctor and C. G. M. Brum, Retrieving the real F Region peak parameters from digisonde data, American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, Dec. 12-16, 2016.
  • F. S. Rodrigues, C. Valladares, M. Milla, K. Kuyeng, R. Yanque, B. G. Fejer, C. R. Martinis, D. Hickey, and J. Arratia, New AMISR-14 observations of equatorial F-region irregularities: June solstice events, American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, Dec. 12-16, 2016.
  • B. G. Fejer, P. Condor, F. S. Rodrigues, and A. Maute, Multi-Probe Studies of the Equatorial Nighttime Ionosphere During Sudden Stratospheric Warmings, American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, Dec. 12-16, 2016.
  • [Invited] F. S. Rodrigues, W. Zhan, C. Valladares, M. Milla, K. Kuyeng, R. Yanque, B. G. Fejer, J. Arratia, C. R. Martinis and D. Hickey, AMISR-14 observations of equatorial F-region irregularities, ISEE Worshop on Ionospheric plasma bubble seeding and development, Institute for Space-Earth Environmental Research (ISEE), Nagoya University, Nagoya, Japan, Nov. 29 – Dec.2, 2016.
  • Y. Ramadan, Y. Dai, H. Minn, and F. S. Rodrigues, Spectrum sharing between WiFi and Radio Astronomy Systems, Coexisting with Radio Frequency Interference (RFI 2016), Macey Center, Socorro, NM, October 17-20, 2016.
  • F. S. Rodrigues, M. A. Milla, and D. L. Hysell, Coherent backscatter radar: Observations in the low-latitude American sector, Observation and Analysis Opportunities Collaborating with the ICON and GOLD Missions, National Center for Atmospheric Research – NCAR, Boulder, CO, September 27-28, 2016.
  • [Invited] F. S. Rodrigues, G. K. Zewdie, and E. R. de Paula, Coherent backscatter interferometric radar images of equatorial spread F structures using Capon’s method, 19th International Beacon Satellite Symposium, Trieste, Italy, June 27 – July 1, 2016.
  • W. Zhan, F. S. Rodrigues, and E. R. de Paula, On the spectral features of atypical F-region echoes, 2016 CEDAR Workshop, Santa Fe, NM, June 19-24, 2016.
  • F. S. Rodrigues, W. Zhan, E. R. de Paula, A. Cunha, R. Y. Arias, M. Inonan, and M. Milla, Equatorial spread F radar observations with MELISSA: A status report, 2016 CEDAR Workshop, Session Distributed networks of small instruments: Recent scientific results at low and mid latitudes, Santa Fe, NM, June 19-24, 2016.
  • [Invited] F. S. Rodrigues, J. S. Smith, B. G. Fejer and M. Milla, Revisiting the relationship between PRE and ESF with Jicamarca ISR measurements made over the past 2 solar cycles, 2016 CEDAR Workshop, Session Frontier research in equatorial aeronomy, Santa Fe, NM, June 19-24, 2016.
  • [Invited] F. S. Rodrigues, C. Keele, C. G. M. Brum, and N. M. Pedatella, On GPS Radio Occultation Ionospheric Profiles at Mid Latitudes: A Comprehensive Comparison with Arecibo ISR Measurements,3rd International Conference on GPS Radio Occultation – ICGPSRO, Taipei, Taiwan, March 9-11, 2016.
  • G. K. Zewdie and F. S. Rodrigues, Results of coherent backscatter radar imaging using Capon’s method and measurements made by the Sao Luis radar interferometer, USNC-URSI National Radio Science Meeting, Boulder, CO, January 6-9, 2016.

2015

  • F. S. Rodrigues, G. K. Zewdie, and E. R. de Paula, High-resolution interferometric radar images of equatorial spread F scattering structures using Capon’s method, 2015 American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, December 14-18, 2015.
  • E. R. de Paula, A. Moraes, E. Costa, F. S. Rodrigues, M. A. Abdu, K. Oliveira, Analyses of Phase Scintillation Observations Made by a Static Triple Frequency GPS-based Monitor Located Near the Equatorial Ionization Anomaly Peak, 2015 American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, December 14-18, 2015.
  • C. Keele, C. G. M. Brum, F. S. Rodrigues, N. Aponte and M. Sulzer, A Comprehensive Assessment of Radio Occultation Ionospheric Measurements at Mid-Latitudes, 2015 American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, December 14-18, 2015.
  • F. S. Rodrigues, G. K. Zewdie, J. M. Smith, C. Candido, and E. R. de Paula, Radar and satellite studies of equatorial spread F in the Brazilian sector, 14th International Symposium of Equatorial Aeronomy – ISEA, Bahir Dar, Ethiopia, October 19-23, 2015.
  • G. K. Zewdie, F. S. Rodrigues, and M. A. Milla, Spectral observations of equatorial spread F irregularities using the MELISSA radar in the Brazilian sector, 2015 CEDAR workshop, Seattle, WA, June 21-25, 2015.
  • J. M. Smith, F. S. Rodrigues, and M. A. Milla, On the occurrence of equatorial F-region irregularities and the magnitude of pre-reversal enhancement of the evening plasma drifts, 2015 CEDAR workshop, Seattle, WA, June 21-25, 2015.
  • F. S. Rodrigues, M. J. Nicolls, M. A. Milla, J. M. Smith, R. H. Varney, A. Strømme, C. Martinis, J. F. Arratia, AMISR goes equatorial: Observations of spread F using 14 panels, 2015 CEDAR workshop, Seattle, WA, June 21-25, 2015.
  • F. S. Rodrigues, M. J. Nicolls, M. A. Milla, J. M. Smith, R. H. Varney, A. Strømme, C. Martinis, J. F. Arratia, AMISR-14 observations of equatorial spread F, 2015 CEDAR workshop, Session: Distributed observatories of small instruments: Science and assimilation, Seattle, WA, June 21-25, 2015.
  • D. Hickey, C. Martinis, C. Sullivan, M. Milla, M. Nicolls, R. Varney, A. Strømme, and F. S. Rodrigues, Observations of large and small scale ESF irregularities over Jicamarca from an all sky imager and AMISR- 14, 2015 CEDAR workshop, Seattle, WA, June 21-25, 2015.
  • G. K. Zewdie, F. S. Rodrigues, and E. R. de Paula, MELISSA observations of F-region irregularities, 14th International Ionospheric Effects Symposium, Alexandria, VA, May 12-14, 2015.
  • F. S. Rodrigues, J. S. Smith, M. J. Nicolls, R. H. Varney, M. A. Milla, C. Martinis, and J. Arratia, AMISR-14 at Jicamarca: New observations of equatorial spread F, Farley Workshop, Cornell University, Ithaca – NY, March 30 – April 1, 2015.
  • F. S. Rodrigues, G. Z. Zewdie, M. A. Milla and E. R. de Paula, Advancing our understanding of atypical equatorial F-region irregularities, AFOSR Space Science Program Review, Albuquerque, NM, January 14-16, 2015.

2014

  • J. M. Smith, F. S. Rodrigues, R. A. Stoneback and M. Milla, Analysis of daytime ionospheric equatorial vertical drifts during the extreme solar minimum of 2008/2009, AGU Fall Meeting, San Francisco, CA, December 15-19, 2014.
  • F. S. Rodrigues, G. K. Zewdie, R. A. Stoneback and E. R. de Paula, Radar investigations of June solstice F-region irregularities, AGU Fall Meeting, San Francisco, CA, December 15-19, 2014.
  • [Invited] F. S. Rodrigues, Radar remote sensing the Earth’s ionosphere, Department of Physics and Astronomy Colloquium, Texas A&M Commerce, Commerce, TX, December 4, 2014.
  • J. M. Smith, F. S. Rodrigues and M. Milla, On the magnitude of equatorial pre-reversal enhancement of the ionospheric zonal electric field and equatorial topside irregularities, 2014 CEDAR Workshop, Seattle, WA, June 22-26, 2014.
  • G. K. Zewdie and F. S. Rodrigues, Applying the Fourier, Capon and Maximum Entropy Imaging Techniques to Sao Luis Coherent Radar Interferometer Measurements,  2014 CEDAR Workshop, Seattle, WA, June 22-26, 2014.
  • F. S. Rodrigues, G. K. Zewdie, M. Milla, M. Inonan, R. Yaya, A. Belleza, E. R. de Paula, A. C. Neto, and L. S. F. Gomes, MELISSA: A new coherent backscatter radar interferometer for the Brazilian sector, 2014 CEDAR Workshop, Seattle, WA, June 22-26, 2014.
  • F. S. Rodrigues, J. M. Smith and E. R. de Paula, Evening vertical drifts and ESF: Combining space- and ground-based observations, Session “Observations, Modeling, and Forecast of Equatorial Spread F Irregularities and Scintillation” of the 2014 CEDAR Workshop, Seattle, WA, June 22-26, 2014.
  • F. S. Rodrigues, E. B. Shume, E. R. de Paula and M. Milla, Absolute daytime vertical drifts across the South American sector, Session “Distributed instrumentation for ionospheric measurements over South America” of the 2014 CEDAR Workshop, Seattle, WA, June 22-26, 2014.
  • [Invited] F. S. Rodrigues, J. M. Smith and E. R. de Paula, F-region vertical drifts and equatorial spread F: An investigation combining ground-based radar observations and in-situ satellite measurements,MST14/iMST1: 14th International Workshop on Technical and Scientific Aspects of MST Radar, INPE, São José dos Campos, SP, Brazil, May 25-31, 2014.

2013

  • [Invited] F. S. Rodrigues and E. R. de Paula, On equatorial 150-km echoes and daytime vertical plasma drifts in the Brazilian longitude sector, 12th IAGA Scientific Assembly, Session on characterization of ionospheric and magnetospheric processes from ground and satellite observations, Merida, Mexico, August 26-31, 2013.
  • [Invited] F. S. Rodrigues, E. R. de Paula and R. A. Heelis, On the characteristics of meter-scale F-region irregularities observed by the Sao Luis radar during low solar flux conditions, 12th IAGA Scientific Assembly, Session on Equatorial spread-F and F3-layer studies during geomagnetic quiet and disturbed periods, Merida, Mexico, August 26-31, 2013.
  • J. M. Smith, F. S. Rodrigues, W. R. Coley, D. L. Hyselll and M. Milla, Jicamarca observations of the equatorial topside response to changes in solar flux conditions, CEDAR Workshop, Boulder, CO, June 22-28, 2013.
  • M. A. Henderson and F. S. Rodrigues, Monitoring mid-latitude scintillation and TEC at UT Dallas, CEDAR Workshop, Boulder, CO, June 22-28, 2013.
  • F. S. Rodrigues and E. R. de Paula, Interferometric radar observations of F-region irregularities with the Sao Luis radar, 2013 AGU Meeting of the Americas, Cancun, Mexico, May 14-17, 2013
  • F. S. Rodrigues and E. R. de Paula, Observations of F-region Irregularities with the Sao Luis Radar: Recent Results, Status, and Plans, C/NOFS Results and Equatorial Dynamics: A Technical Interchange Meeting, Albuquerque, NM, March 12-14, 2013.

2012