Estimation of geomagnetic conjugate points by using Pc5 pulsations

by Ken-ichi Kato, Yutaka Tonegawa, Natsuo Sato
Published 1992-03-01

Computer compilatory process of the data acquired by the conjugate observation system in Iceland

by Kunio Uchida, Yutaka Tonegawa, Ryoichi Fujii, Natsuo Sato
Published 1988-07-01

Computer compilatory process of the data acquired by the computer system at Syowa Station

by Haruo Sakurai, Yutaka Tonegawa, Ryoichi Fujii, Natsuo Sato
Published 1987-03-01