Science

Nagoya University, 名古屋大学
• Doctor of Science, Graduate School of Science, Division of Particle and Astrophysical Science, Space Physics - Experiment (SSE)
Leadership Development Program for Space Exploration and Research, Nagoya University Program for Leading Graduate Schools.
April 2013 - March 2016

Paul Sabatier University, Toulouse III
• Prépa Agrégation - CAPES : One year course preparing for the competitive recruitment procedures for french teaching qualification.
June 2008

Paul Sabatier University, Toulouse III (in collaboration with ISAE, Sup'Aero)
• Master's degree in Astrophysics, specialization in Space Sciences
September 2004 - June 2006

Paul Sabatier University, Toulouse III
• Master of Science in Fundamental Physics, specialization in Astrophysics
September 2003 - June 2004

Paul Sabatier University, Toulouse III
• Bachelor’s degree in Fundamental Physics, specialization in Astrophysics
September 2001 - June 2003

Other

Mirail University, Toulouse II
• First year of Master's in Japanese language, culture and civilization.
September 2011 - June 2012

Mirail University, Toulouse II
• Bachelor’s degree in Japanese language, culture and civilization.
September 2008 - June 2011

IAP (Institute of Atmospheric Physics)

Prague, Czech Republic
• June 2015

Study of a conjugate quasi-periodic emission between a subauroral ground station in Athabasca (Canada) and Van Allen Probes (RBSP-A). Ray tracing methods and analysis of wave propagation.

IAP (Institute of Atmospheric Physics)

Prague, Czech Republic
• September - October 2014

Case analysis of Athabasca ground station (Canada) and Van Allen Probes conjunctions, study of propagation delay based on spectra and lagged correlation analysis, measure of the direction of propagation for future ray tracing study.

CESR (Centre d’Etude Spatiales des Rayonnements)

Toulouse, France
• Mars - July 2006

Study of the interaction between VLF waves produced by men from the North West Cape radio base in Australia and the high energy electrons of the Ionosphere. Worked using telemetry data from the DEMETER Satellite.

CESR (Centre d’Etude Spatiales des Rayonnements)

Toulouse, France
• April - June 2005

Study of numerical and observational data collected by TAROT telescope, starting a catalogue for novae and cataclysmic variables.

• American Geophysics Union

• Japanese Geophysics Union

• Society of Geomangetism and Earth, Planetary and Space Sciences

• VLF/ELF Remote Sensing of Ionospheres and Magnetospheres (currently web master of the VERSIM website)

• International Union of Radio Science (Commission H)

• VLF/ELF emissions

• Plasma Physics

• Magnetospheric plasma waves

• Ionospheric Physics

• Photography and film

• Reading (a lot!)

• Sports and outdoor activities

Outstanding Presentation Award 2020, 9th VERSIM Workshop, VLF/ELF Remote Sensing of Ionospheres and Magnetospheres.

Young Scientist Award 2017, URSI, International Union of Radio Science.

Student Outstanding Presentation Award 2015, Space and Planetary Sciences section, Japan Geoscience Union.
日本地球惑星科学連合2015年大会, 学生優秀発表賞 (宇宙惑星科学セクション)

2022

Martinez-Calderon, C., Manninen, J. K., Manninen, J. T., & Turunen, T. (2023). Statistics of unusual naturally occurring VLF radio emissions termed bursty-patches observed at Kannuslehto, Finland J. Geophys. Res. Space Physics, 128, e2022JA030792, doi:10.1029/2022JA030792

Manninen, J., Kleimenova, Martinez-Calderon, C., Gromova L. I., & Turunen, T. (2022), Unexpected VLF Bursty-Patches Above 5 kHz: A Review of Long-Duration VLF Series Observed at Kannuslehto, Northern Finland, Space Sci. Rev., 218, 38, doi:10.1007/s11214-022-00885-4

Miyoshi, Y., Shinohara, I., Ukhorskiy, S., [...] Martinez-Calderon, C. [...] et al. (2022), Collaborative Research Activities of the Arase and Van Allen Probes, Surv. Geophys., doi:10.1007/s10712-022-09741-0

2021

Martinez-Calderon, C., Manninen, J. K., Manninen, J. T., & Turunen, T. (2021), A review of unusual VLF bursty-patches observed in Northern Finland for Earth, Planets and Space, Earth, Planets and Space, 73, 191, doi:10.1186/s40623-021-01516-y

Martinez-Calderon, C., Katoh, Y., Manninen, J., Santolik, O., Kasahara, Y., Matsuda, S., et al. (2021), Multievent Study of Characteristics and Propagation of Naturally Occurring ELF/VLF Waves Using High-Latitude Ground Observations and Conjunctions With the Arase Satellite, J. Geophys. Res. Space Physics, 126, e2020JA028682, doi:10.1029/2020JA028682

2020

Martinez-Calderon, C., Nemec, F., Katoh, Y., Shiokawa, K., Kletzing, C., Hospodarsky, G., et al. (2020), Spatial Extent of Quasiperiodic Emissions Simultaneously Observed by Arase and Van Allen Probes on 29 November 2018, J. Geophys. Res. Space Physics, 125, e2020JA028126, doi:10.1029/2020JA028126

Martinez-Calderon, C., Bortnik, J., Li, W., Spence, H., Claudepierre, S. G., Douma, E., & Rodger, C. J. (2020). , Comparison of long term lightning activity and inner radiation belt electron flux perturbations, J. Geophys. Res. Space Physics, 125, e2019JA027763, doi:10.1029/2019JA027763

Martinez-Calderon, C., Katoh, Y., Manninen, J., Kasahara, Y., Matsuda, S., Kumamoto, A., et al. (2020), Conjugate observations of dayside and nightside VLF chorus and QP emissions between Arase (ERG) and Kannuslehto, Finland, J. Geophys. Res. Space Physics, 125, e2019JA026663, doi:10.1029/2019JA026663

2016

Martinez-Calderon, C., K. Shiokawa, Y. Miyoshi, K. Keika, M. Ozaki, I. Schofield, M. Connors, C. Kletzing, M. Hanzelka, O. Santolik, and W. S. Kurth (2016), ELF/VLF wave propagation at subauroral latitudes: Conjugate observation between the ground and Van Allen Probes A, J. Geophys. Res. Space Physics, 121, 5384–5393, doi:10.1002/2015JA022264

2015

Martinez-Calderon, C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield, and M. Connors (2015), Statistical study of ELF/VLF emissions at subauroral latitudes in Athabasca, Canada, J. Geophys. Res. Space Physics, 120, 8455–8469, doi:10.1002/2015JA021347

Martinez-Calderon, C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield, and M. Connors (2015). Polarization analysis of VLF/ELF waves observed at subauroral latitudes during the VLF-CHAIN campaign, Earth, Planets and Space, 67(1), 1-13, Access

International

• Martinez-Calderon, C., Y. Katoh, O. Santolik, M. Hanzelka, J. Manninen, Y. Miyoshi, Y. Kasahara, F. Tsuchiya, S. Matsuda, A. Kumamoto, S. Nakamura, M. Kitahara, I. Shinohara and K. Shiokawa,P ropagation of VLF conjugated events at sub-auroral latitudes from multi-point observations in Fennoscandia and the inner magnetosphere., AGU Fall meeting 2022, Chicago, USA, December 12-16, 2022 (Oral).

• Martinez-Calderon, C., Y. Katoh, J. Manninen, O. Santolik, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka, M. Shoji, M. Teramoto, I. Shinohara, K. Shiokawa, and Y. Miyoshi, The importance of multi-point ground and space conjugated events in understanding the characteristics of ELF/VLF waves, 15th Quadrennial Solar-Terrestrial Physics symposium, Alibag, India, February 21-25, 2022 (Oral, Hybrid Meeting).

• Martinez-Calderon, C., T. Oonishi, K. Shiokawa, J. Manninen, M. Ozaki, S. Oyama and the PWING team, Study on the longitudinal extent of QP emissions using conjugated events observed by PWING stations, 10th biennial VERSIM workshop, Sodankyla, Finland, November 07-11, 2022 (Oral).

• Martinez-Calderon, C., Y. Katoh, O. Santolik, M. Hanzelka, J. Manninen, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka, I. Shinohara, M. Kitahara, S. Nakamura, K. Shiokawa, and Y. Miyoshi, Ray tracing study on magnetospheric propagation and ionospheric exit point of multiple VLF conjugate events between Arase and Kannuslehto, Finland, AGU Fall meeting 2021, New Orleans, USA, December 13-17, 2021 (Oral, Hybrid Meeting).

• Martinez-Calderon, C., J. K. Manninen, J. T. Manninen and T. Turunen, Statistical properties and propagation characteristics of unusual high-frequency VLF emissions observed at Kannuslehto, Finland, The 44th Annual Seminar Physics of Auroral Phenomena, Apatity, Russia, March 15-19 , 2021 (Oral, Online Meeting).

• Martinez-Calderon, C., J. K. Manninen, J. T. Manninen and T. Turunen, Recent characteristics and propagation of unusually high frequency VLF emissions at Kannuslehto, Finland, 3rd ISEE Symposium PWING-ERG conference and school on the inner magnetosphere, Nagoya, Japan, March 8-12 , 2021 (Oral, Online Meeting).

• Martinez-Calderon, C., J. K. Manninen, J. T. Manninen and T. Turunen, Statistical study on recently discovered high frequency emissions at Kannuslehto, Finland, AGU Fall meeting 2020, San Francisco, USA, December 01-17, 2020 (iPoster, Online Meeting).

• Martinez-Calderon, C., Y. Katoh, O. Santolik, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka, M. Shoji, M. Teramoto, I. Shinohara, K. Shiokawa and Y. Miyoshi, Characteristics of ELF/VLF emissions from multi-point ground and space conjugated events, 9th biennial VERSIM workshop, Uji Campus Kyoto University, Japan, November 16-21 , 2020 (iPoster, Online Meeting).

• Martinez-Calderon, C., J. Manninen, and T. Turunen, New curiosities observed from ground-based data: KHF-VLF Emissions, JpGU-AGU Joint Meeting 2020, Makuhari Messe, Chiba, Japan, July 12-16, 2020 (iPoster, Online Meeting).

• Martinez-Calderon, C., F. Nemec, Y. Katoh, K. Shiokawa, Y. Kasahara, S. Matsuda, F. Tsuchiya, A. Kumamoto, M. Teramoto, A. Matsuoka, Y. Miyoshi, O. Santolik and G. Hoposdarsky, Spatial extent of quasi-periodic emission simultaneously observed by Arase and Van Allen Probes on November 29, 2018, AGU Fall meeting 2019, San Francisco, USA, December 09-13, 2019 (poster).

• Martinez-Calderon, C., F. Nemec, Y. Katoh, K. Shiokawa, Y. Kasahara, S. Matsuda, F. Tsuchiya, A. Kumamoto, M. Teramoto, A. Matsuoka, Y. Miyoshi, O. Santolik and G. Hoposdarsky, Properties of quasi-periodic ELF/VLF emissions from a conjugated event between the Arase satellite, Van Allen Probes A and B, 27th IUGG General Assembly 2019, Montreal, Canada, July 08-18, 2019 (poster).

• Martinez-Calderon, C., F. Nemec, K. Shiokawa, Y. Katoh, Y. Kasahara, S. Matsuda, F. Tsuchiya, A. Kumamoto, M. Teramoto, A. Matsuoka, Y. Miyoshi, O. Santolik and G. Hoposdarsky, Conjugated quasi-periodic ELF/VLF emissions between the Arase satellite and both Van Allen Probes, Japan Geoscience Union Meeting 2019, Makuhari Messe, Chiba, Japan, May 26-30, 2019 (oral).

• Martinez-Calderon, C., Y. Katoh, J. Manninen, O. Santolik, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka, M. Shoji, M. Teramoto, I. Shinohara, K. Shiokawa and Y. Miyoshi, Quantifying propagation of ELF/VLF waves using Kannuslehto and Arase conjunctions, AGU Fall meeting 2018, Washington D.C., USA, December 10-14, 2018 (poster).

• Martinez-Calderon, C., Y. Katoh, K. Shiokawa, M. Ozaki, M. Connors, J. Manninen, J. M. Ruohoniemi, Y. Kasahara, S. Matsuda, C. Kletzing, A. Kumamoto, F. Tsuchiya, A. Matsuoka and Y. Miyoshi, Properties of quasi-periodical VLF emissions from ground-space conjunctions and multi-point observations, 2nd URSI Atlantic Radio Science Meeting, Gran Canaria, Spain, May 28 - June 1, 2018 (invited).

• Martinez-Calderon, C., Y. Katoh, K. Shiokawa, M. Ozaki, S. Kurita, J. Manninen, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka and Y. Miyoshi, VLF Conjugate events between Arase (ERG) and Kannuslehto: differences between cases on the noon and midnight sides, Japan Geoscience Union Meeting 2018, Makuhari Messe, Chiba, Japan, May 20-24, 2018 (oral).

• Martinez-Calderon, C., Y. Katoh, K. Shiokawa, M. Ozaki, M. Connors, J. Manninen, J. M. Ruohoniemi, Y. Kasahara, S. Matsuda, C. Kletzing, A. Kumamoto, F. Tsuchiya, A. Matsuoka and Y. Miyoshi, Characteristics of QP emissions: conjugate event between Arase (ERG) and Kannuslehto, Finland, 8th biennial VERSIM workshop, Apatity, Russia, March 19-23, 2018 (oral).

• Martinez-Calderon, C., Y. Katoh, K. Shiokawa, M. Ozaki, M. Connors, J. Manninen, J. M. Ruohoniemi, Y. Kasahara, S. Matsuda, C. Kletzing, A. Kumamoto, F. Tsuchiya, A. Matsuoka and Y. Miyoshi, Multi-point observations of VLF quasi-periodic emissions: Results from Arase, PWING and Van Allen Probes, AGU Fall meeting 2017, New Orleans, USA, December 11-15, 2017 (poster).

• Martinez-Calderon, C., K. Shiokawa, K. Keika, S. Kurita, M. Ozaki, I. Schofield, M. Connors, C. Kletzing, W. S. Kurth and O. Santolik, Conjugate ground-satellite ELF/VLF emissions observed with strong magnetospheric compression, URSI-GASS 2017: 32nd URSI General Assembly and Scientific Symposium, Montreal, Canada, August 19-26, 2017 (oral).

• Martinez-Calderon, C., K. Shiokawa, Y. Miyoshi, K. Keika, M. Ozaki, I. Schofield, M. Connors, C. Kletzing, M. Hanzelka, W. S. Kurth and O. Santolik, ELF/VLF Conjugate Observations Between The Ground And Van Allen Probes A, 14th Annual Meeting Asia Oceania Geosciences Society, Singapore, Singapore, August 6-11, 2017 (invited).

• Martinez-Calderon, C., J. Bortnik, W. Li, H. E. Spence and C. J. Rodger, One year comparison of lighting activity and variations in electron fluxes of the inner radiation belt, JpGU-AGU Joint Meeting 2017, Makuhari Messe, Chiba, Japan, May 20-25, 2017 (oral).

• Martinez-Calderon, C., J. Bortnik, W. Li, H. E. Spence and C. J. Rodger, Comparison of lighting activity and inner radiation belt particle fluxes perturbations, AGU Fall meeting 2016, San Francisco, USA, December 12-16, 2016 (poster).

• Martinez-Calderon, C., K. Shiokawa, K. Keika, S. Kurita, M. Ozaki, I. Schofield, M. Connors, C. Kletzing, W. S. Kurth, and O. Santolik, Study of ELF/VLF emissions at subauroral latitudes: ground and space observations, 7th biennial VERSIM workshop 2016, Hermanus, South Africa, September 19-23, 2016 (invited).

• Martinez-Calderon, C., K. Shiokawa, K. Keika, M. Ozaki, I. Schofield, M. Connors, C. Kletzing and O. Santolik, ELF/VLF wave generation associated with magnetospheric compression: conjugated observations from satellite- and subauroral ground-based instruments, Japan Geoscience Union Meeting 2016, Makuhari Messe, Chiba, Japan, May 22-26, 2016 (poster).

• Martinez, C., K. Shiokawa, K. Keika, M. Ozaki, I. Schofield, M. Connors, C. Kletzing and O. Santolik, ELF/VLF waves related to magnetospheric compression: conjugated observations from satellite- and subauroral ground-based instruments, AGU Fall meeting 2015, San Francisco, USA, December 14-18, 2015 (poster).

• Martinez-Calderon, C., K. Shiokawa, Y. Miyoshi, K. Keika, M. Ozaki, I. Schofield, M. Connors, C. Kletzing and O. Santolik, Conjugated observations of ELF/VLF quasi-periodical emissions at the ground station in Athabasca, Canada and Van Allen Probes A, 26th IUGG General Assembly 2015, Prague, Czech Republic, June 22 - July 2, 2015 (oral).

• Martinez-Calderon, C., K. Shiokawa, Y. Miyoshi, K. Keika, M. Ozaki, I. Schofield and M. Connors, One-year statistical analysis of ELF/VLF emissions at subauroral latitudes at Athabasca, Canada, Japan Geoscience Union Meeting 2015, Makuhari Messe, Chiba, Japan, May 24-28, 2015 (oral).

• Martinez, C., K. Shiokawa, Y. Miyoshi, K. Keika, M. Ozaki, I. Schofield, M. Connors, C. Kletzing and O. Santolik, Statistics of VLF/ELF emissions at subauroral latitudes in Athabasca, Canada and their correspondence to the Van Allen Probes observations, AGU Fall meeting 2014, San Francisco, USA, December 15-19, 2014 (poster).

• Martinez C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield, and M. Connors, Statistical study of VLF/ELF emissions at subauroral latitudes in Athabasca, Canada, ICS-12: The 12th International Conference on Substorms, Ise, Japan, November 10–14, 2014 (poster).

• Martinez C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield, and M. Connors, Statistical analysis of VLF/ELF emissions at subauroral latitudes in Athabasca, Canada, Geospace revisited: a Cluster/MAARBLE/Van Allen Probes Conference, Rhodes, Greece, September 15–20, 2014 (oral).

• Martinez C. C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield, and M. Connors, Polarization and occurrence statistics of VLF/ELF chorus waves at sub-auroral latitudes at Athabasca, Canada, Japan Geoscience Union Meeting 2014, Yokohama, Japan, April 28 – May 2, 2014 (oral).

• Martinez C. C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield, and M. Connors, Polarization analysis of vlf/elf chorus waves observed during the vlf-chain campaign at sub-auroral latitudes, 6th biennial VERSIM workshop 2014, Dunedin, New Zealand, January 20-23, 2014 (poster).

• Martinez, C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield and M. Connors, Polarization analysis of VLF/ELF chorus waves observed at two ground stations at subauroral latitudes, AGU Fall meeting 2013, San Francisco, December 9-13, 2013 (poster).

• Martinez C., K. Shiokawa, Y. Miyoshi, M. Ozaki, Ian Schofield and Martin Connors, Study of VLF/ELF chorus waves observed by two loop antennas at Athabasca and Fort Vermillion at subauroral latitudes, International CAWSES-II Symposium, Nagoya, Japan, November 18-22, 2013 (poster).

Domestic

• Martinez C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield and M. Connors, Polarization analysis of VLF/ELF chorus waves observed at Athabasca at subauroral latitudes, 第144回地球電磁気・地球惑星圏学会講演会、名古屋大学、2018年11月23-27日 (oral).

• Martinez, C., K. Shiokawa, K. Keika, M. Ozaki, I. Schofield, M. Connors, C. Kletzing and O. Santolik, Conjugate observations of ELF/VLF waves during sudden magnetospheric compression: satellite- and subauroral ground-based measurements, 平成 27 年度 名古屋大学 宇宙地球環境研究所 共同研究集会, 脈動オーロラ研究集会、名古屋大学、2016年03月01-02日 (oral).

• Martinez, C., K. Shiokawa, Y. Miyoshi, K. Keika, M. Ozaki, I. Schofield, M. Connors, C. Kletzing and O. Santolik, Conjugated VLF emission observed between the ground station in Athabasca (Canada) and Van Allen Probe A, 平成 26 年度 名古屋大学 太陽地球環境研究所 共同研究集会, 脈動オーロラ研究集会、名古屋大学、2015年01月19-20日 (oral).

• Martinez C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield and M. Connors, Polarization analysis of VLF/ELF chorus waves observed at Athabasca at subauroral latitudes, 第134回地球電磁気・地球惑星圏学会講演会、高知大学、2013年11月2-5日 (poster).

• Martinez C. C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield and M. Connors, Ground based observation of VLF/ELF radio waves for understanding energetic electron acceleration in space surrounding the Earth, Forum for Young Women Researchers, Nagoya University, Japan, August 7-8, 2013 (Poster)

• Martinez C. C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield, and M. Connors, Polarization analysis of vlf/elf chorus waves observed during the vlf-chain campaign at sub-auroral latitudes,

As a co-author

•K. Shiokawa, C. Martinez-Calderon, Y. Otsuka, M. Ozaki and the PWING team, Recent results on ionospheric disturbances and EMIC/ELF/VLF waves obtained by ground and satellite measurements by the PWING project, 10th biennial VERSIM workshop, Sodankyla, Finland, November 07-11, 2022

•J. Manninen, V. Vuolteenaho, and C. Martinez-Calderon, Some statistical results of VLF bursty-patches observed in 2006-2022 campaigns at KAN, 10th biennial VERSIM workshop, Sodankyla, Finland, November 07-11, 2022

•Hajos, M., A. G. Demekhov, O. Santolik, J. Manninen, D. L. Pasmanik, K. Shiokawa, C. Martinez-Calderon, M. Ozaki, D. Baishev and A. S Nikitenko, Simultaneous observations of long-lasting quasi-periodic VLF emissions with two modulation periods by spacecraft and ground based stations, COSPAR 2022 44th Scientific Assembly, Athens, Greece, July 16-24, 2022 (Oral).

• Onishi, T., C. Martinez-Calderon, K. Shiokawa, J. Manninen, M. Connors, A. Kadokura, M. Ozaki, D. Baishev, V. Kurkin, A. Oinats, N. Nishitani and S. Oyama, Statistical analysis of quasi-periodic ELF/VLF emissions using longitudinal multi-point ground observations, 15th Quadrennial Solar-Terrestrial Physics symposium, Alibag, India, February 21-25, 2022 (Oral, Hybrid Meeting).

• Manninen, J., C. Martinez-Calderon and T. Turunen, KHF-VLF Emissions: What are they?, URSI GASS 2021,, Rome, Italy, 28 August - 4 September 2021 (Oral, Online Meeting).

• A.G. Demekhov, M. Hajos, J. Manninen, D.L. Pasmanik, A.S. Nikitenko, O. Santolik, C. Martinez-Calderon, K. Shiokawa, M. Ozaki, D.G. Baishev, Y. Miyoshi, Y. Kasahara, S. Matsuda, A. Matsuoka, I. Shinohara, Simultaneous observations of quasi-periodic VLF emisisions with two modulation periods by spacecraft and ground based stations, The 44th Annual Seminar Physics of Auroral Phenomena, Apatity, Russia, March 15-19 , 2021 (Oral, Online Meeting).

• Manninen, J., C. Martinez-Calderon and T. Turunen, Why it is important to have simultaneous ground-based ELF-VLF observations in every satellite project?, 3rd ISEE Symposium PWING-ERG conference and school on the inner magnetosphere, Nagoya, Japan, March 8-12, 2021 (invited, Online Meeting).

• Manninen, J., C. Martinez-Calderon and T. Turunen, Recent observations of KHF-VLF emissions, 9th biennial VERSIM workshop, Uji Campus Kyoto University, Japan, November 16-21, 2020 (invited, Online Meeting).

• Shiokawa K., Y. Takeshita, M. Ozaki, C. Martinez-Calderon, J. Manninen, S. Oyama, M. Connors, D. Baishev, N. Nishitani, V. Kurkin, A. Oinats, Y. Kasahara, Y. Miyoshi, I. Shinohara, C. Kletzing, V. Jordanova, A review of recent observations of magnetospheric ELF/VLF waves by the PWING ground-based stations at subauroral latitudes with conjugate satellites, 9th biennial VERSIM workshop, Uji Campus Kyoto University, Japan, March 23-27, 2020 (invited, Online Meeting).

• Connors, M., A. Yau, K. Shiokawa, C. Martinez-Calderon, X. Li, C. Cully, and E. Donovan, The pulsating aurora of January 27, 2017 as observed by e-POP, NOAA spacecraft, and ground assets, JpGU-AGU Joint Meeting 2020, Makuhari Messe, Chiba, Japan, July 12-16, 2020 (iPoster, Online Meeting).

• Macotela, E. L., J. Manninen, K. Shiokawa, C. Martinez-Calderon, M. Osaki, S. Oyama, M. Connors, A. Kadokura, Ground-based observation of banded-structure VLF emissions in the 5-39 kHz frequency range at subauroral latitudes, SGO Observatory Days 2020, Sodankylä, Finland, January 8-10, 2020 (poster).

• J. Manninen and C. Martinez-Calderon, Simultaneous KAN-ERG observations, SGO Observatory Days 2020, Sodankylä, Finland, January 8-10, 2020 (oral).

• Manninen, J., C. Martinez-Calderon, Y. Kasahara, M. Shoya, and T. Turunen, Ground-based ELF-VLF observations at Kannuslehto during two years of ARASE and something about pulsating aurora, CHAMOS Workshop, Helsinki, Finland, October 8-11, 2019 (oral).

• Manninen, J., C. Martinez-Calderon, Y. Kasahara, M. Shoya, and T. Turunen, Ground-based ELF-VLF observations at Kannuslehto during two years of ARASE, IUGG General Assembly 2019, Montreal, Canada, July 8-18, 2019 (oral).

• Manninen, J., C. Martinez-Calderon, Y. Kasahara, S. Matsuda, and T. Turunen, Ground-based ELF-VLF observations at Kannuslehto during two years of ARASE, EGU General Assembly 2019, Vienna, Austria, April 7-12, 2019 (oral).

• J. Manninen, C. Martinez-Calderon and T. Turunen, Simultaneous Kannuslehto and ARASE satellite ELF-VLF observations, SGO Observatory Days 2019, Rovaniemi, Finland, March 22, 2019 (oral).

•Connors M. G., I. Schofield, K. Reiter, K. Shiokawa, Y. Otsuka, M. Ozaki, Y. Miyoshi, R. Kataoka, Y. Tanaka, K. Sakaguchi, R. Nomura, C. Martinez-Calderon, C. W. Jun, K. Keika, A. Ieda, T. Trondsen, D. Wyatt, C. Unick, E. Donovan, B. Jacke, C. Cully, C. T. Russell, N. Partemies, M. Syrjaesuo, P. Dalin, M. Zalcik, A. Tekatch, D. Welch, Athabasca University Geophysical and GeoSpace Observatories (AUGO and AUGSO), JpGU-AGU Joint Meeting 2017, Makuhari Messe, Chiba, Japan, May 20-25, 2017 (poster).

• Shiokawa, K., N. Sunagawa, C. Martinez C., Y. Miyoshi, M. Ozaki, R. Kataoka, and M. Connors, ELF/VLF observations at subauroral latitudes for understanding high-energy electron acceleration/loss processes in the inner magnetosphere, 26th IUGG/IAGA General Assembly, Prague, Czech Republic, June 22-July 2, 2015 (invited).

• Shiokawa, K., C.-W. Jun, C. Martinez, N. Sunagawa, Y. Miyoshi, T. Nagatsuma, M. Ishii, M. Ozaki, M. Connors, I. Schofield, P. T. Jayachandran, I. Poddelsky, B. Shevtsov, and D. Baishev, Ground-based optical and ULF/ELF/VLF wave measurements at subauroral latitudes prepared for the ERG project, Geospace revisited: a Cluster/MAARBLE/Van Allen Probes Conference, Rhodes, Greece, September 15-20, 2014 (invited).