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Ocean Topography and Cryosphere Branch / Laboratory for Satellite Altimetry

Geosat Follow-On

Data and images displayed on STAR sites are provided for experimental use only and are not official operational NOAA products. More information>>

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Laboratory for Satellite Altimetry / Geosat Follow-On

Data Access

Via anonymous ftp:

SDR - Sensor Data Records
NGDR - Navy Geophysical Data Records based on MOE Orbits or Operational Doppler Orbits
IGDR - NOAA Interim Geophysical Data Records based on MOE Orbits
GDR - NOAA Geophysical Data Records based on final POE Orbits; most recent data available using MOE Orbits

GDR data are also available on DVD-R by special request.

Browse the DVD images on our ftp site:

DVD_001: Cycles 55-80, 2000/11/09 - 2002/01/26
DVD_002: Cycles 37-54, 2000/01/07 - 2000/11/09 (Data prior to U.S. Navy acceptance)
DVD_003: Cycles 81-104, 2002/01/26 - 2003/03/12
DVD_004: Cycles 105-124, 2003/03/12 - 2004/02/16
DVD_005: Cycles 125-152, 2004/02/16 - 2005/06/07
DVD_006: Cycles 153-177, 2005/06/07 - 2006/08/02
DVD_007: Cycles 181-203, 2006/10/05 - 2007/10/25
DVD_008: Cycles 204-223, 2007/10/25 - 2008/09/17