Released
Dataset

GFZ ultra-rapid product series for the IGS

Cite as:

Männel, Benjamin; Brandt, Andre; Nischan, Thomas; Brack, Andreas; Sakic, Pierre; Bradke, Markus (2020): GFZ ultra-rapid product series for the IGS. V. 1.1. GFZ Data Services. https://doi.org/10.5880/GFZ.1.1.2020.004

Status

I   N       R   E   V   I   E   W : Männel, Benjamin; Brandt, Andre; Nischan, Thomas; Brack, Andreas; Sakic, Pierre; Bradke, Markus (2020): GFZ ultra-rapid product series for the IGS. V. 1.1. GFZ Data Services. https://doi.org/10.5880/GFZ.1.1.2020.004

Abstract

GFZ acts as a global analysis center of the International GNSS Service (IGS) and provides ultra-rapid (last 24h), rapid (last day), and final (last week) solutions for GPS, GLONASS and Galileo. The ultra-rapid solution series is published eight times per day with a delay of around three hours.

Additional Information

Version History

19 May 2021 (Version 1.1): inclusion of Galileo satellite system

Methods

Based on a network of around 100 GNSS stations of the tracking network of the International GNSS Service, the GFZ analysis center generates sub-daily solutions using the latest development version of the EPOS.P8 Software. The solution series contains daily files (<YYYY><DDD> refers to the year and day of year of the first epoch contained in the files):

- satellite orbits (GFZ0OPSULT_<YYYY><DDD><HH00>_02D_15M_ORB.SP3.gz, data format: sp3: https://files.igs.org/pub/data/format/sp3c.txt),

- Earth rotation parameters (GFZ0OPSULT_<YYYY><DDD><HH00>_02D_01D_ERP.ERP.gz, data format: erp: https://lists.igs.org/pipermail/igsmail/1998/003315.html),

- summary file containing the detailed processing results (GFZ0OPSULT_<YYYY><DDD><HH00>_01D_01D_DSC.SUM).

The file naming follows the IGS Long Product Filename (http://acc.igs.org/repro3/Long_Product_Filenames_v1.0.pdf). All files are .gz compressed. The processing is described in detail in our Analysis Center Notes (https://files.igs.org/pub/center/analysis/gfz.acn) and follows the current geodetic conventions (https://www.iers.org/IERS/EN/Publications/TechnicalNotes/tn36.htm).

Authors

  • Männel, Benjamin;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Brandt, Andre;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Nischan, Thomas;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Brack, Andreas;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Sakic, Pierre;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Bradke, Markus;GFZ German Research Centre for Geosciences, Potsdam, Germany

Contact

Contributors

GFZ German Research Centre for Geosciences

Keywords

International GNSS Service, IGS, IGS Analysis Center, IAG, satellite orbits, earth rotation parameters

GCMD Science Keywords

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                    • CI_OnLineFunctionCode (codeList=http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode codeListValue=http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode_information): information
      • dataQualityInfo
        • DQ_DataQuality
          • scope
            • DQ_Scope
              • level
                • MD_ScopeCode (codeListValue=dataset codeList=http://www.isotc211.org/2005/resources/codeList.xml#MD_ScopeCode): 
          • lineage
            • LI_Lineage
              • statement
                • CharacterString: Based on a network of around 100 GNSS stations of the tracking network of the International GNSS Service, the GFZ analysis center generates sub-daily solutions using the latest development version of the EPOS.P8 Software. The solution series contains daily files (<YYYY><DDD> refers to the year and day of year of the first epoch contained in the files): - satellite orbits (GFZ0OPSULT_<YYYY><DDD><HH00>_02D_15M_ORB.SP3.gz, data format: sp3: https://files.igs.org/pub/data/format/sp3c.txt), - Earth rotation parameters (GFZ0OPSULT_<YYYY><DDD><HH00>_02D_01D_ERP.ERP.gz, data format: erp: https://lists.igs.org/pipermail/igsmail/1998/003315.html), - summary file containing the detailed processing results (GFZ0OPSULT_<YYYY><DDD><HH00>_01D_01D_DSC.SUM). The file naming follows the IGS Long Product Filename (http://acc.igs.org/repro3/Long_Product_Filenames_v1.0.pdf). All files are .gz compressed. The processing is described in detail in our Analysis Center Notes (https://files.igs.org/pub/center/analysis/gfz.acn) and follows the current geodetic conventions (https://www.iers.org/IERS/EN/Publications/TechnicalNotes/tn36.htm).

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