CDAAC GNSS Radio Occultation Datasets

CDAAC processes and makes available data from more than a dozen GNSS radio occultation missions.

Detailed information about the COSMIC-1 and COSMIC-2 mission is on separate pages.

For missions other than COSMIC-1 and COSMIC-2 the table below lists processing mode, available date range, link to the data, and file types published.

CDAAC Data Users Forum where you can post your question and interact with other data users is found here.

  champ2016 cnofs geoopt gpsmet gpsmetas grace kompsat5 metopa2016 metopa metopb2016 metopb metopc paz planetiq sacc spire tdx tsx
Processing mode R P N P P P N, P R P R P P N, P N P N P P
Date range 2001.139 - 2008.279 2010.060 - 2011.365
      2020.351 - 2022.294      
 1995.111 - 1997.047 1995.237 - 1997.016 2007.059 - 2017.334 2015.022 - 2024.113 2007.274 - 2015.365 2016.001 - 2021.331 2013.032 - 2015.365 2016.001 - present 2019.195 - present 2018.130 - present 2023.199 - present 2006.068 - 2011.215
      2020.352 -  present     
 2016.001 - present 2008.041 - present
Data Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link
DOIs https://doi.org/10.5065/qan9-we09 https://doi.org/10.5065/8r12-hs65
https://doi.org/10.5065/0dxg-nn57
 https://doi.org/10.5065/rgpy-g566 https://doi.org/10.5065/rgpy-g566 https://doi.org/10.5065/chk8-fx07 https://doi.org/10.5065/7m8g-ja33 https://doi.org/10.5065/789w-m137 https://doi.org/10.5065/789w-m137 https://doi.org/10.5065/1k0w-2272 https://doi.org/10.5065/1k0w-2272 https://doi.org/10.5065/p8es-mc74 https://doi.org/10.5065/k9vg-t494 https://doi.org/10.5065/1qcs-bc46 https://doi.org/10.5065/82ny-407
https://doi.org/10.5065/1a8d-yh72
 https://doi.org/10.5065/1TDC-0Z47 https://doi.org/10.5065/fv7s-ax27
File types                                    
atmPhs x x   x x x   x x x x x     x     x
atmPrf x x x x x x x x x x x x x x x x x x
bfrPrf x x x x x x x x x x x x x x x x x x
conPhs     x       x           x x   x x  
echPrf   x x       x x x x x x x x x x x x
ecmPrf x     x x                   x      
er5Prf             x         x            
eraPrf   x       x   x   x         x      
gfsPrf x x       x   x x x x x     x   x x
gpsBit             x           x       x x
ionPhs x       x x                 x      
ionPrf x         x               x        
leoAtt     x         x x x x x x x   x    
leoClk x x x x x x x x x x x x     x x x x
leoOrb x x x x x x x x x x x x x x x x x x
opnG[pn]s x x x x x x x x x x x x   x x x x x
podCrx x x x     x x x x x x x x x   x x x
podTec x   x     x   x x x x x   x x x x x
scnLv1                                    
wetPf2 x   x       x           x x   x x x
wetPrf   x   x x x x x x x x x x   x   x x

File Formats

 

Further information on each file type:

 

Supporting Documentation

Standard RO Inversions in the Neutral Atmosphere 2013 - 2020 (Processing Steps and Explanation of Data) (144.0 KB)