2.5.0 spase://IUGONET/NumericalData/NIPR/misc/SYO/IRIO30MHz/PT1S_cna_bin Cosmic noise absorption measured with the 30MHz imaging riometer at Syowa Station, Antarctica. 2013-08-30T12:00:00 Cosmic Noise Absorption (CNA) measured at 1sec intervals with the 30MHz imaging riometer (IRIO) at Syowa Station, Antarctica. We welcome collaborative research that uses the imaging riometer data. Please contact the Principal Investigator, Dr. Hisao Yamagishi (yamagisi [at] uap.nipr.ac.jp), National Institute of Polar Research (NIPR), if you want to use the data. spase://IUGONET/Person/Hisao.Yamagishi PrincipalInvestigator spase://IUGONET/Person/Yoshimasa.Tanaka MetadataContact spase://IUGONET/Repository/NIPR/IUGONET_DB_NIPR Offline Restricted Imaging Riometer Observation at Syowa Station http://scidbase.nipr.ac.jp/modules/metadata/index.php?content_id=104 Binary spase://IUGONET/Instrument/NIPR/misc/SYO/IRIO30MHz Waves 1992-02-21T20:00:00 2008-01-27T23:59:59 PT1S Earth.NearSurface.Ionosphere.ERegion Earth.NearSurface.Ionosphere.DRegion Spherical GEO -69.0 -68.5 -69.5 39.58 41.1 38.3 EARTH SCIENCE Sun-earch Interaction Ionosphere/Magnetosphere Dynamics Aurorae Universal Time Universal Time second Temporal Cosmic Noise Absorption Cosmic Noise Absorption at 30MHz frequency measured with 8x8-element Imaging Riometer. PT1S decibel 8 8 Electromagnetic Absorption 29.9 30.1 MHz