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	TerraSAR-X mission Since 2007 data have been received at GARS O’Higgins from the TerraSAR-X satellite. Access to TerraSAR-X data by scientists is possible via an accepted science proposal, which can be submitted at any time during the life of the mission. More ...
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	TanDEM-X mission Since November 2010 SAR data from the TanDEM-X mission have been recorded at GARS O’Higgins, one of the three main TanDEM-X acquisition stations. Depending on mission planning at the German Space Operations Center (GSOC) up to nine TanDEM-X passages can be received daily. More ...
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ERS-1/-2

Long-term acquisition of SAR data from the ERS-1 and ERS-2 satellites at GARS O’Higgins was undertaken for ESA (ESRIN & ESOC) from 1991 to 2011 (until the end of the ERS-2 mission on 4 July 2011). Depending on ESA mission planning, up to nine ERS-2 high-resolution (HR) passages and 10 ERS-2 low-resolution (LR) passages were received daily. Use the embedded link to the ESA EOLI web catalogue for a visualization of the available ERS-2 data sets.
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	Sentinel-1 mission of ESA Sentinel-1 data can be accessed via the ESA Sentinels Scientific Data Hub (see embedded link), where there is also an introduction to the hub. More ...
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	EOC data access Use the embedded link for an overview of the data portals and services of the DLR Earth Observation Center EOC that provide access to its earth observation data and products. More ...
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GNSS data

GNSS raw data (Rinex files with 30-second and one-second scan rates) and the products generated at various IGS Analysis Centers are available, for example, from the GNSS Data Center of BKG (embedded link). The products include station coordinates and velocities (.crd, .snx), earth rotation parameters (.erp), satellite orbits (.sp3, .eph), clock parameters (.clk) and atmosphere parameters (.tro, .ion). Station-related information and changes are contained in the log file (.log).
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Earth rotation and reference systems

GGlobal findings based on the various geodetic space techniques are available from IERS (International Earth Rotation and Reference Systems Service) (embedded link). These include the temporal changes in Earth’s rotation and Earth Orientation Parameters (EOP) as well as different versions of the Terrestrial Reference Frame (ITRF) and the Celestial Reference Frame (ICRF).
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TerraSAR-X mission

TanDEM-X mission

ERS-1/-2

Sentinel-1 mission of ESA

EOC data access

GNSS data

Earth rotation and reference systems