About ISHIKAWA HIROKI
About O DOKO
About TAKAGI NOBUYUKI
About 大気電気学会誌
About thunderbolt
About time course
About observation equipment
About velocity
About return stroke
About thunderstorm (phenomenon)
About LAPOS
About リーダ速度
About 第一雷撃
About Discharges in general
About 落雷
About 地上
About 進展