IGS Tutorial Data Centers and Data Access

IGS TutorialData CentersandData AccessCarey E. NollCDDIS ManagerNASA GSFCUSAGPS 99Tsukuba, JapanOctober 21, 1999IGS DATA CENTERS• Data Centers supporting the flow of IGS data andproducts are divided into three categories:– Operational– Regional– Global• Hierarchy of data centers allows for– Redundancy and backup– Reduction in network traffic• Operational data centers download data from trackingstations• Regional data centers provide access to data from ageographic region (e.g., Australia, Europe)• Global data centers provide access to data andproducts to IGS and user community in general21-Oct-99 IGS Tutorial – Data Centers and Data Access 2(Continued)IGS DATA CENTERS• Operational Data Centers– ASI Italian Space Agency– AUSLIG Australian Surveying and Land Information Group– AWI Alfred Wegener Institute for Polar and Marine Research, Germany– CNES Centre National d’Etudes Spatiales, France– DSN Deep Space Network, USA– DUT Delft University of Technology, The Netherlands– ESOC European Space Agency (ESA) Space Operations Center, Germany– GFZ GeoForschungsZentrum Germany– GSI Geographical Survey Institute, Japan– ISR Institute for Space Research, Austria– JPL Jet Propulsion Laboratory, USA– KAO Korean Astronomical Observatory– NGI National Geography Institute, South Korea– NIMA National Image and Mapping Agency, USA– NMA Norwegian Mapping Authority– NOAA National Oceanic and Atmospheric Administration, USA– NRCan Natural ...