{"@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": "The Surface Stereo Imager (SSI)  experiment on the Mars Phoenix Lander consists of one instrument  component plus command electronics. This SSI Imaging Operations RDR  data set contains roughness data from the Surface Stereo Imager (SSI).", "identifier": "urn:nasa:pds:context_pds3:data_set:data_set.phx-m-ssi-5-roughness-ops-v1.0_jisd-i5f9", "issued": "2021-05-21", "keyword": ["mars", "phoenix"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=PHX-M-SSI-5-ROUGHNESS-OPS-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": "PHOENIX MARS SURFACE STEREO IMAGER \n                                      5 ROUGHNESS OPS V1.0"}