{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Earthdata Forum", "hasEmail": "mailto:earthdata-support@nasa.gov"}, "description": "This dataset consists of ground-based Global Navigation Satellite System GLONASS Observation Data (30-second sampling, daily files) from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS provide autonomous geo-spatial positioning with global coverage. The GLONASS data sets from ground receivers at the CDDIS consist of observations from the Russian GLObal NAvigation Satellite System (GLONASS); Russia's GLONASS is similar to the U.S. GPS in terms of the satellite constellation, orbits, and signal structure. The daily GLONASS GNSS observation files (un-compacted) contain one day of GLONASS observation (30-second sampling) data in RINEX format from a global permanent network of ground-based receivers, one file per site. More information about these data is available on the CDDIS website at https://cddis.nasa.gov/Data_and_Derived_Products/GNSS/daily_30second_data.html.", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "https://cddis.nasa.gov/archive/glonass/data/daily", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://www.earthdata.nasa.gov/data/space-geodesy-techniques/gnss/data-products-holdings", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://doi.org/10.5067/GNSS/GLONASS_DAILY_O_001", "format": "HTML", "mediaType": "text/html"}, {"@type": "dcat:Distribution", "conformsTo": "http://www.isotc211.org/2005/gmi", "description": "The metadata's original source.", "downloadURL": "https://cmr.earthdata.nasa.gov/search/concepts/C1419744852-CDDIS.iso19115", "format": "ISO", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "10.5067/GNSS/GLONASS_DAILY_O_001", "keyword": ["earth-science-geodetics-solid-earth-coordinate-reference-system-country-regional-coordinate-ref", "earth-science-geodetics-solid-earth-coordinate-reference-system-global-coordinate-reference-sys", "earth-science-geodetics-solid-earth-ellipsoid-characteristics", "earth-science-geodetics-solid-earth-geoid-characteristics", "earth-science-gravity-gravitational-field-solid-earth-control-surveys", "earth-science-gravity-gravitational-field-solid-earth-gravity", "earth-science-gravity-gravitational-field-solid-earth-polar-motion-annual-elliptical-component", "earth-science-gravity-gravitational-field-solid-earth-polar-motion-chandler-circular-component", "earth-science-gravity-gravitational-field-solid-earth-rotational-motion-variations-rotational-r", "earth-science-gravity-gravitational-field-solid-earth-satellite-orbits-revolution-angle-of-elev", "earth-science-gravity-gravitational-field-solid-earth-satellite-orbits-revolution-angle-of-incl", "earth-science-gravity-gravitational-field-solid-earth-satellite-orbits-revolution-orbit-type", "earth-science-gravity-gravitational-field-solid-earth-satellite-orbits-revolution-orbit-velocit", "earth-science-gravity-gravitational-field-solid-earth-satellite-orbits-revolution-orbital-posit", "earth-science-tectonics-solid-earth-earthquakes-earthquake-magnitude-intensity", "earth-science-tectonics-solid-earth-plate-tectonics-crustal-motion-crustal-motion-direction", "earth-science-tectonics-solid-earth-plate-tectonics-crustal-motion-crustal-motion-rate", "earth-science-tectonics-solid-earth-plate-tectonics-fault-movement-fault-movement-direction", "earth-science-tectonics-solid-earth-plate-tectonics-fault-movement-fault-movement-rate", "earth-science-tectonics-solid-earth-plate-tectonics-plate-boundaries", "earth-science-tectonics-solid-earth-plate-tectonics-strain"], "license": "https://www.usa.gov/government-works", "modified": "2026-04-06", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "CDDIS"}, "spatial": "[\"CARTESIAN\",[{\"WestBoundingCoordinate\":-180,\"NorthBoundingCoordinate\":90,\"EastBoundingCoordinate\":180,\"SouthBoundingCoordinate\":-90}]]", "temporal": "1998-01-01/2026-03-30", "theme": ["Earth Science"], "title": "Ground-Based Global Navigation Satellite System (GNSS) GLONASS (GLObal NAvigation Satellite System) Observation Data (30-second sampling, daily files) from NASA CDDIS"}