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| GravIS COST-G RL02 Level-2B Products |
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DESCRIPTION:
  This directory contains the most recent version of COST-G RL02 Level-2B products.
  Current most recent version is: 0001

  The following files are available:

  ./NFIL/GRAVIS-2B_???????-???????_COSTG_0200_NFIL_0001.gz   => unfiltered Level-2B products
  ./VDK1/GRAVIS-2B_???????-???????_COSTG_0200_VDK1_0001.gz   => VDK1 filtered Level-2B products
  ./VDK2/GRAVIS-2B_???????-???????_COSTG_0200_VDK2_0001.gz   => VDK2 filtered Level-2B products
  ./VDK3/GRAVIS-2B_???????-???????_COSTG_0200_VDK3_0001.gz   => VDK3 filtered Level-2B products
  ./VDK4/GRAVIS-2B_???????-???????_COSTG_0200_VDK4_0001.gz   => VDK4 filtered Level-2B products
  ./VDK5/GRAVIS-2B_???????-???????_COSTG_0200_VDK5_0001.gz   => VDK5 filtered Level-2B products
  ./VDK6/GRAVIS-2B_???????-???????_COSTG_0200_VDK6_0001.gz   => VDK6 filtered Level-2B products
  ./VDK7/GRAVIS-2B_???????-???????_COSTG_0200_VDK7_0001.gz   => VDK7 filtered Level-2B products
  ./VDK8/GRAVIS-2B_???????-???????_COSTG_0200_VDK8_0001.gz   => VDK8 filtered Level-2B products

  ./aux_data/   => subdirectory containing auxiliary products used during Level-2B generation
  ./aux_data/GRAVIS-2B_COSTG_0200_MEAN_2002095-2020091_NFIL_0001.gz   => Long-term mean field subtracted from Level-2B products
  ./aux_data/GRAVIS-2B_COSTG_0200_GEOCENTER_0001.dat                  => Degree-1 coefficients inserted into Level-2B products
  ./aux_data/GRAVIS-2B_COSTG_0200_GRACE+SLR_LOW_DEGREES_0001.dat      => GRACE+SLR-based replacement time series for coefficients C20, C30, C21 and S21
  ./aux_data/GRAVIS-2B_COSTG_0200_GIA_ICE-6G_D_VM5a_0001.gz           => GIA model applied as correction for Level-2B products

CITATION:
  When using this version of GravIS COST-G RL02 Level-2B products, please use the following citation:

  Dahle, Christoph; Murboeck, Michael (2025):
  Post-processed GRACE/GRACE-FO Geopotential GSM Coefficients COST-G RL02 (Level-2B Product).
  V. 0001. GFZ Data Services. http://doi.org/10.5880/COST-G.GRAVIS_02_L2B

CONTACT:
  C. Dahle, M. Murboeck
  GFZ Helmholtz Centre for Geosciences
  Department 1: Geodesy
  Section 1.2: Global Geomonitoring and Gravity Field
  Email: grace@gfz.de