{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "undefined", "hasEmail": "mailto:support-ghrc@earthdata.nasa.gov"}, "description": "The GPM Ground Validation Dual-frequency Dual-polarized Doppler Radar (D3R) IPHEx data set contains radar reflectivity and doppler velocity measurements. The D3R was developed by a government-industry-academic consortium with funding from NASA's Global Precipitation Measurement (GPM) Project. It operates at the ku (13.91 GHz \u00b1 25 MHz) and ku (35.56 GHz \u00b1 25 MHz) frequencies covering a fixed range from 450 m to 39.75 km. The instrument's data are available in netCDF-4 format with browse imagery available in PNG format.", "distribution": [{"@type": "dcat:Distribution", "description": "Browse Imagery", "downloadURL": "https://ghrc.nsstc.nasa.gov/pub/fieldCampaigns/gpmValidation/iphex/D3R/browse/", "format": "HTML", "mediaType": "text/html", "title": "Get a related visualization"}, {"@type": "dcat:Distribution", "description": "Browse Sample", "downloadURL": "https://ghrc.nsstc.nasa.gov/pub/fieldCampaigns/gpmValidation/iphex/D3R/browse/2014-05-01/ka_clutterfilter_off/iphex_d3r_ka_20140501_184519_01_rhi_291az_zdb.png", "format": "PNG", "mediaType": "image/png", "title": "Get a related visualization"}, {"@type": "dcat:Distribution", "description": "Files may be downloaded directly to your workstation from this link", "downloadURL": "https://search.earthdata.nasa.gov/search?q=gpmd3riphx", "format": "HTML", "mediaType": "text/html", "title": "Download this dataset"}, {"@type": "dcat:Distribution", "description": "IPHEx Field Campaign Collection DOI", "downloadURL": "http://dx.doi.org/10.5067/GPMGV/IPHEX/DATA101", "format": "HTML", "mediaType": "text/html", "title": "View information related to this dataset"}, {"@type": "dcat:Distribution", "description": "IPHEx Field Campaign Project Home Page", "downloadURL": "https://ghrc.nsstc.nasa.gov/home/field-campaigns/iphex", "format": "HTML", "mediaType": "text/html", "title": "The dataset's project home page"}, {"@type": "dcat:Distribution", "description": "Instructions for citing GHRC data", "downloadURL": "https://ghrc.nsstc.nasa.gov/home/about-ghrc/citing-ghrc-daac-data", "format": "HTML", "mediaType": "text/html", "title": "View documentation related to this dataset"}, {"@type": "dcat:Distribution", "description": "Realization of the NASA Dual-frequency Dual-polarized Doppler Radar (D3R)", "downloadURL": "https://ghrc.nsstc.nasa.gov/uso/ds_docs/gpmgv/d3r/Vega_D3R_igarss_2010.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "View the primary investigator's documentation for this dataset"}, {"@type": "dcat:Distribution", "description": "Scientific and Engineering Overview of the NASA Dual-frequency Dual-polarized Doppler Radar (D3R) System for GPM Ground Validation", "downloadURL": "http://ghrc.nsstc.nasa.gov/uso/ds_docs/gpmgv/d3r/Chandra_D3R_igarss_2010.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "View the primary investigator's documentation for this dataset"}, {"@type": "dcat:Distribution", "description": "Search results for publications that cite this dataset by its DOI.", "downloadURL": "https://scholar.google.com/scholar?q=10.5067%2FGPMGV%2FIPHEX%2FD3R%2FDATA101", "format": "HTML", "mediaType": "text/html", "title": "Google Scholar search results"}, {"@type": "dcat:Distribution", "description": "The guide document contains detailed information about the dataset", "downloadURL": "https://ghrc.nsstc.nasa.gov/pub/fieldCampaigns/gpmValidation/iphex/D3R/doc/gpmd3riphx_dataset.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "View documentation related to this dataset"}], "identifier": "C1981506869-GHRC_DAAC", "issued": "2016-05-16", "keyword": ["atmosphere", "earth-science", "precipitation", "radar", "spectral-engineering"], "landingPage": "https://doi.org/10.5067/GPMGV/IPHEX/D3R/DATA101", "language": ["en-US"], "modified": "2025-07-17", "programCode": ["026:001"], "publisher": {"@type": "org:Organization", "name": "NASA/MSFC/GHRC"}, "spatial": "-81.9632 35.1959 -81.9631 35.1959", "temporal": "2014-05-01T17:21:53Z/2014-06-15T13:27:28Z", "theme": ["IPHEx", "geospatial"], "title": "GPM GROUND VALIDATION DUAL-FREQUENCY DUAL-POLARIZED DOPPLER RADAR (D3R) IPHEX V1"}