Home Page     Current Status     Data Center     Research Tools     Post Process Results     Climate Processing     Internal  

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: and the FTP batch data download interface: (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

COSMIC Occultations - Last 10 Hours - Please reload your browser for latest results
= COSMIC      = C/NOFS      = SACC
Click and download the COSMIC RO Atmospheric Occultations data in KML format to be displayed in a GIS viewer.