{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "undefined", "hasEmail": "mailto:sdps@oceancolor.gsfc.nasa.gov"}, "description": "This data set consists of Martian radii and elevations (relative to the 6 millibar reference surface) measured relative to JPL ephemeris DE_118. The data were obtained by the Goldstone Solar System Radar during the oppositions of 1971-1982. Present form of table generated by R. Mehlman, UCLA/IGPP.", "distribution": [{"@type": "dcat:Distribution", "description": "NASA Ocean Color Web - Algorithm Description Documentation", "downloadURL": "https://oceancolor.gsfc.nasa.gov/atbd/", "format": "HTML", "mediaType": "text/html", "title": "View this dataset's algorithm theoretical basis document"}, {"@type": "dcat:Distribution", "description": "NASA Ocean Color Web - Data Distribution Site", "downloadURL": "https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Geo-Location/SNPP-VIIRS/", "format": "HTML", "mediaType": "text/html", "title": "Download this dataset through a directory map"}, {"@type": "dcat:Distribution", "description": "NASA Ocean Color Web - Processing History", "downloadURL": "https://oceancolor.gsfc.nasa.gov/reprocessing/", "format": "HTML", "mediaType": "text/html", "title": "View this dataset's processing history"}, {"@type": "dcat:Distribution", "description": "Search results for publications that cite this dataset by its DOI.", "downloadURL": "https://scholar.google.com/scholar?q=10.5067%2FSUOMI-NPP%2FVIIRS%2FL1%2FGEO%2F2", "format": "HTML", "mediaType": "text/html", "title": "Google Scholar search results"}, {"@type": "dcat:Distribution", "description": "VIIRS-Suomi-NPP L1 Geolocation Product Dataset Landing Page", "downloadURL": "https://oceancolor.gsfc.nasa.gov/data/10.5067/SUOMI-NPP/VIIRS/L1/GEO/2", "format": "HTML", "mediaType": "text/html", "title": "This dataset's landing page"}], "identifier": "urn:nasa:pds:context_pds3:data_set:data_set.gssr-m-rtls-5-alt-v1.0_cixt-7mv4", "issued": "2021-05-21", "keyword": ["mars", "pre-magellan"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=GSSR-M-RTLS-5-ALT-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": "GOLDSTONE MARS RADIO TELESCOPE DERIVED ALTIMETRY V1.0"}