Solar System Generic Stations FK files
===========================================================================

     This ``aareadme.txt'' file describes the contents of the
     kernels/fk/stations directory of the Solar System Generic SPICE
     data server.

     It was last modified on August 23rd, 2022 by Alfredo Escalante Lopez, ESAC/ESA.


Contact Information
--------------------------------------------------------

     If you have any questions regarding this directory or its
     contents, please contact the ESA SPICE Service at ESAC:

             Alfredo Escalante Lopez
             (+34) 91-8131-429
             spice@sciops.esa.int
      
     
References and required readings
--------------------------------------------------------

     1. ``Frames Required Reading'', NAIF Document

     2. ``Kernel Pool Required Reading'', NAIF

     3. ``C-Kernel Required Reading'', NAIF

          
Brief Summary
--------------------------------------------------------

     This directory contains the SPICE Frames Definition Kernel files for the
     Ground Earth Stations.
   

Current FK Kernels Set
--------------------------------------------------------

   estrack_vNN.tf

      SPICE FK file that provides topocentric frames for the ESA Ground
      Stations. Created by the ESA SPICE Service.


   new_norcia_topo.tf

      SPICE FK kernel for the topocentric reference frame for the ESA 35m
      tracking antenna at New Norcia.


   earth_topo_050714.tf

      SPICE FK kernel for the topocentric reference frames for the Deep Space
      Network (DSN) stations. This kernel was released on the date indicated
      in the filename.


   earthstns_ru_YYYYMMDD.tf

      SPICE FK file that contains definitions for topocentric reference
      frames for the Russian ground stations. Created by IKI.

   earthstns_jaxa_YYYYMMDD.tf

      SPICE FK file that provides topocentric frames for the JAXA Deep Space
      Stations. Created by the ESA SPICE Service.

Other directory contents
--------------------------------------------------------

     aareadme.txt         This file.
   

Kernel File Details
--------------------------------------------------------
 
     The most detailed description of the data in an FK file is provided in
     metadata included inside the descriptive text areas of the file. This
     information can be viewed using any text editor.


End of aareadme file.