2.5.0 spase://IUGONET/Instrument/TohokuU/mag_obs/onw/sm Onagawa searchcoil magnetometer 2012-12-21T12:00:00 Onagawa search coil magnetometer spase://IUGONET/Person/Takeshi.Sakanoi PrincipalInvestigator spase://IUGONET/Person/Manabu.Yagi MetadataContact Magnetometer Geomagnetic observation using Onagawa searchcoil magnetometer spase://IUGONET/Observatory/TohokuU/mag_obs/onagawa