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CDAAC: COSMIC Data Analysis
and Archive Center


Special Announcements:

Dear COSMIC data user:

New CHAMP mission climate reprocessing.

A new reprocessing of the CHAMP satellite (2001-2008 RIP) radio occultation payload has been done at CDAAC. It is available for download on the CDAAC REST interface: http://cdaac-www.cosmic.ucar.edu/cdaac/tar/rest.html and the FTP batch data download interface: http://cdaac-www.cosmic.ucar.edu/cdaac/DBif/cdaac_highlevel.cgi (select 'batch data download')

New features of this reprocessing include:

  • --Enhanced Bernese 5.2 excess phase processing
  • --New inversion software used ('newroam'), resulting in much higher occultation counts
  • --Improved perl-based zero2one code
  • --Uniform GPS clock corrections

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