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The NASA Goddard Earth Sciences Data and Information Services Center (GES DISC) and principal investigator Stephen Leroy of JANUS Research Group have released GNSS Radio Occultation (GNSS-RO) datasets.
The data release includes 72 different products from 15 different GNSS-RO receivers (or constellations of receivers) processed at four different GNSS-RO retrieval/processing centers. The data from different processing centers have been reformatted to have a common Climate and Forecast Metadata Conventions (CF) compliant format.
The algorithm was developed with funding from the NASA ACCESS 2019 program and the NASA Supplements for Open Science Support. These are the version 2.0 GNSS-RO products; version 1.1 is available through the AWS Registry of Open Data.
GNSS-RO data undergoes processing that is radically different from that of most atmospheric sounders, but it can still be categorized by its processing step:
Products are still being added to the archive. This initial release is complete for all processing levels of the COSMIC-1 data sets from four different processing centers. After all of the products in the initial release are complete for available data through July 2025, the project will bebegin forward processing for missions still actively producing data.
For more information about these products please see the README document and the Algorithm Theoretical Basis Document (ATBD).
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