{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Earthdata Forum", "hasEmail": "mailto:earthdata-support@nasa.gov"}, "description": "The CAMEX-4 ER-2 High Altitude Dropsonde dataset was collected by the ER-2 High Altitude Dropsonde System (EHAD), which used dropwinsondes fitted with Global Positioning System (GPS) receivers to measure the atmospheric state parameters (temp, humidity, windspeed/direction, pressure) and location in 3 dimensional space during the sonde's descent once each half second. Measurements was transmitted to the aircraft from the time of release until impact with the ocean's surface.", "distribution": [{"@type": "dcat:Distribution", "conformsTo": "http://www.isotc211.org/2005/gmi", "description": "The metadata's original source.", "downloadURL": "https://cmr.earthdata.nasa.gov/search/concepts/C1979098128-GHRC_DAAC.iso19115", "format": "ISO", "mediaType": "text/xml", "title": "Original Metadata"}, {"@type": "dcat:Distribution", "downloadURL": "https://ghrc.earthdata.nasa.gov/browseui/#pub/c4eehad__1/browse/", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://ghrc.earthdata.nasa.gov/browseui/#pub/c4eehad__1/browse/drop1_185331.jpg", "format": "JPEG", "mediaType": "image/jpeg"}, {"@type": "dcat:Distribution", "downloadURL": "https://ghrc.earthdata.nasa.gov/browseui/#pub/c4eehad__1/docs/c4eehad_dataset.html", "format": "HTML", "mediaType": "text/html"}, {"@type": "dcat:Distribution", "downloadURL": "https://ghrc.earthdata.nasa.gov/browseui/#pub/c4eehad__1/docs/dropsonde_science_description.pdf", "format": "PDF", "mediaType": "application/pdf"}, {"@type": "dcat:Distribution", "downloadURL": "https://ghrc.nsstc.nasa.gov/home/about-ghrc/citing-ghrc-daac-data", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://ghrc.nsstc.nasa.gov/home/field-campaigns/camex4", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://search.earthdata.nasa.gov/search/granules?p=C1979098128-GHRC_DAAC", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://www.eol.ucar.edu/observing_facilities/avaps-dropsonde-system", "format": "BIN", "mediaType": "application/octet-stream"}], "identifier": "10.5067/CAMEX-4/DROPSONDE/DATA202", "keyword": ["earth-science-atmospheric-temperature-atmosphere-upper-air-temperature", "earth-science-atmospheric-water-vapor-atmosphere-water-vapor-indicators", "earth-science-atmospheric-winds-atmosphere-upper-level-winds"], "license": "https://www.usa.gov/government-works", "modified": "2026-06-23", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "NASA/MSFC/GHRC"}, "spatial": "[\"CARTESIAN\", [{\"WestBoundingCoordinate\": -82.028, \"NorthBoundingCoordinate\": 37.967, \"EastBoundingCoordinate\": -62.005, \"SouthBoundingCoordinate\": 24.743}]]", "temporal": "2001-08-18/2001-09-24", "theme": ["Earth Science"], "title": "CAMEX-4 ER-2 HIGH ALTITUDE DROPSONDE V1"}