2023. 8 札幌で開催されたThe 35th URSI General Assembly and Scientific Symposium (URSI GASS 2023)にて，石坂教授，松山さんが以下の2件の研究成果を発表．

K. Ishisaka, M. Matsuyama, T. Zushi, S. Kurita, M. Tanaka, H. Kojima, T. Abe, Y. Saito
DC Electric Field Observations in the Polar Cusp Region by SS-520-3 Sounding Rocket

M. Matsuyama, K. Ishisaka, Y. Ahihara, M. Yamamoto, A. Kumamoto, H. Shirasawa, T. Abe
DC Electric Field Measurement during MSTID Occurrence by S-520-32 Sounding Rocket