SOCRATES
Signals of Opportunity Constellation and Remote sensing Analysis Tool for Earth Science: an end-to-end simulator for multi-frequency signals of opportunity, from constellation design to soil moisture retrieval.
Lab software
Community resources
Data portal
NASA Earthdata
NASA's Earth science data, including SMAP soil moisture and CYGNSS GNSS-Reflectometry products.
Data programCommercial SmallSat Data Acquisition (CSDA)
NASA access to commercial smallsat data, including Spire GNSS-R and radio occultation.
Planetary dataNASA Planetary Data System
Archived planetary mission data, including radio science from Juno and Cassini.
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