How do I access the imagery catalogues?
  
   There are a number of catalogue services available for interactive
   login, via telnet; a few of these also offer alternative access
   methods, including WWW. These will give full catalogue information,
   and browse products online (typically by ftp). Some addresses for
   these are listed under further reading.
   
    CEOS IDN
    
   The CEOS International Directory Network comprises three coordinating
   nodes, together with a number of cooperating nodes. Each coordinating
   node includes access to every known imagery catalogue, so in principle
   you never need more than one address. These are listed in further
   information.
   
    Cintex
    
   The Catalogue Interoperability Experiment aims to ensure
   interoperability between the various catalogues.
   
    GUIs for catalogue access
    
   Various dedicated GUI systems exist to assist CINTEX catalogue users.
   These include:
     * DLR ISIS
     * ESA UIT
     * NASA EOSDIS V0 IMS
       
   Details are available at http://gds.esrin.esa.it/Ccintex.cs.clients.
   
    WWW Browse Services
    
   In addition to the login services, there are some services available
   on the WWW, offering a world-map and forms-based interface. These
   include:
   
   http://shark1.esrin.esa.it/
          _Ionia_ AVHRR browser
          
   http://tracy.esrin.esa.it:8001/
          Eye-Browser Multi-Mission Browse Service: NOAA AVHRR, ERS-1
          SAR, JERS OPS, Landsat TM.
          
   http://www.coresw.com
          "Imagenet" service - Landsat, SPOT and a promise of
          Sovinformsputnik. Appears only to have data for America when
          last checked. Commercial; the free service is limited.
          
   http://www.eurimage.it/einet/einet_home.html
          EiNet (European Imagenet) from Eurimage offers Landsat TM,
          KVR-1000 and RESURS.
          
   http://southport.jpl.nasa.gov/general.html/
          SIR-C/X-SAR (Space Shuttle) imagery.
          
   http://ic-www.arc.nasa.gov/ic/projects/bayes-group/Atlas/Earth/
          Browser for Earth Observations from Shuttle
          

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