{"@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": "This dataset contains two tables of time-ordered, raw event count rates acquired by the Apollo 15 X-Ray Fluorescence Spectrometer from 30 July to 4 August 1971 during lunar orbit.  The tables include counts for all channels of the three proportional counters (unfiltered, magnesium filter, aluminum filter) and the solar monitor.", "identifier": "urn:nasa:pds:context_pds3:data_set:data_set.a15c-l-xrfs-2-surface-xray-counts-v1.0_tvug-txbq", "issued": "2018-06-26", "keyword": ["apollo-15", "moon"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=A15C-L-XRFS-2-SURFACE-XRAY-COUNTS-V1.0", "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": "APOLLO 15 XRFS LUNAR SURFACE X-RAY\n      COUNTS V1.0"}