About SATO MOTOYUKI
About 物理探査学会学術講演会講演論文集
About metal detector
About large earthquake
About landslide
About Miyagi prefecture
About electromagnetic exploration
About GPS
About GPS
About Iwate-Miyagi Nairiku earthquake
About metal detector
About Geophysical and geological exploration in general
About RTK-GPS
About 栗駒山
About 捜索