{"id":"S2025000718","label":"Radar interferometry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2025000718","normalized_label":"radar interferometry","broader":["http://id.loc.gov/authorities/subjects/sh85067258","http://id.loc.gov/authorities/subjects/sh85131656"],"aliases":["IfSAR (Interferometric synthetic aperture radar)","InSAR (Interferometric synthetic aperture radar)","Interferometric synthetic aperture radar","Synthetic aperture radar interferometry"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2025000718","provider":"lcsh","revision":"3fd7f4981a2c71eb","taxonomy_revision":"f050b5d4780b1289","title":"Radar interferometry","url":"/topics/S2025000718","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4938412504857723936","address_version":"morton4x16-v1","coordinates":[0,482,52284,14336],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}