{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Thomas Morgan", "hasEmail": "mailto:thomas.h.morgan@nasa.gov"}, "description": "Archival Tracking Data Files (ATDFs, also sometimes known as TRK-2-25 data) from the MAGELLAN mission to Venus (1989-1994) and Orbit Data Files (ODFs, also known as TRK-2-18 data) from the final 2-3 years of the MAGELLAN mission (1992-1994). These data include range and Doppler measurements from the radio tracking system of the NASA Deep Space Network (DSN).  The measurements can be used to derive a spherical harmonic model of the Venus gravity field.", "identifier": "urn:nasa:pds:context_pds3:data_set:data_set.mgn-v-rss-1-tracking-v1.0_e2ke-tx72", "issued": "2021-05-21", "keyword": ["magellan", "venus"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=MGN-V-RSS-1-TRACKING-V1.0", "license": "http://www.usa.gov/publicdomain/label/1.0/", "modified": "2025-07-17", "programCode": ["026:005"], "publisher": {"@type": "org:Organization", "name": "National Aeronautics and Space Administration"}, "references": ["https://pds.nasa.gov"], "theme": ["Earth Science"], "title": "MAGELLAN RAW RADIO TRACKING\n                                      DATA V1.0"}