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Superconducting gravimeter (SCG) observation is believed to offer high sensitivity and high resolution data for study of the Earth's core dynamics. We describe the importance of SCG installation at Syowa Station at high southern latitudes (69.0"S) for weak signal detection of fluid core resonance, core undertones, Stichter mode, etc. In order to assess the SCG capability as a long-period seismometer, parallel observations using a Streck eisen seismometer and a LaCoste & Romberg type-Ddoi:10.15094/00002715 fatcat:uf7qszysfrbkva5bhe4m4mnuyy