@prefix ns0: <http://gcmd.gsfc.nasa.gov/kms#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/a44b20a7-be0a-40d5-baba-8a77022db3a1>
  ns0:resource [ ] ;
  ns0:altLabel [ ] ;
  skos:definition """Spacecraft Brief Description
  The  GEOS  1  (Geodetic  Earth  Orbiting  Satellite)  spacecraft was a
  gravity-gradient-stabilized,    solar-cell   powered   unit   designed
  exclusively  for geodetic studies.  It was the first successful active
  spacecraft    of    the    National    Geodetic   Satellite   Program.
  Instrumentation   included   (1)   four  optical  beacons,  (2)  laser
  reflectors,  (3)  a  radio range transponder, (4) Doppler beacons, and
  (5)  a  range  and  range  rate  transponder.   These were designed to
  operate   simultaneously   to   fulfill  the  objectives  of  locating
  observation  points (geodetic control stations) in a three dimensional
  earth  center-of-mass  coordinate  system  within 10 m of accuracy, of
  defining  the  structure  of the earth's irregular gravitational field
  and  refining  the  locations  and  magnitudes  of  the  large gravity
  anomalies, and of comparing results of the various systems onboard the
  spacecraft  to  determine  the  most  accurate  and  reliable  system.
  Acquisition  and recording of data were the responsibility of the GSFC
  Space  Tracking  and  Data  Acquisitions  Network (STADAN).  Ten major
  observing networks were used.
Auxiliary Information
  Launch Date and Time : 1965-11-06 18:43:00
  Epoch Date and Time :  1978-12-30
  Orbit Type :  Geocentric
  Apogee(km) :    2275.
  Perigee(km) :   1113.
  Inclination :    59.4
  Date of last update :  1992-04-21


Group: Platform_Details
   Entry_ID: GEOS-1
   Group: Platform_Identification
      Platform_Category: Earth Observation Satellites
      Platform_Series_or_Entity: GEOS (Geodetic Earth Orbiting Satellite)
      Short_Name: GEOS-1
      Long_Name: Geodetic Earth Orbiting Satellite-1
   End_Group
   Group: Synonymous_Platform_Names
      Short_Name: GEOS-1
   End_Group
   Group: Platform_Associated_Instruments
      Short_Name: TRANSPONDERS
      Short_Name: DOPPLER BEACONS
      Short_Name: RADIO TRANSPONDERS
      Short_Name: LASER REFLECTOR
      Short_Name: OPTICAL BEACON
   End_Group
   Group: Orbit
      Orbit_Inclination: 59.3 deg
      Period: 540 days
      Perigee: 1135 km
      Apogee: 2270 km
      Orbit_Type: LEO > Low Earth Orbit > Polar Sun-Synchronous
   End_Group
   Creation_Date: 2007-09-26
   Online_Resource: http://cddis.nasa.gov/926/egm96/geos1.html
   Sample_Image: http://www1.cira.colostate.edu/ramm/hillger/ESA-GEOS-1_image.jpg
   Group: Platform_Logistics
      Launch_Date: 1977-04-20
      Launch_Site: Cape Canaveral/Kennedy Space Center, USA
      Primary_Sponsor: NASA
   End_Group
End_Group"""@en ;
  skos:prefLabel "GEOS-1"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/platforms> ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/608e831d-f722-4a97-b173-a308d7bc6dd2> ;
  a skos:Concept .

<https://gcmd.earthdata.nasa.gov/kms/concept/608e831d-f722-4a97-b173-a308d7bc6dd2>
  skos:prefLabel "GEOS (Geodetic Earth Orbiting Satellite)"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/a44b20a7-be0a-40d5-baba-8a77022db3a1> .