{"id":"S85084972","label":"Microwave transmission lines","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85084972","normalized_label":"microwave transmission lines","broader":["http://id.loc.gov/authorities/subjects/sh85041783","http://id.loc.gov/authorities/subjects/sh85133298"],"aliases":["Transmission lines, Microwave"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85084972","provider":"lcsh","revision":"22c3cdf81c287654","taxonomy_revision":"f050b5d4780b1289","title":"Microwave transmission lines","url":"/topics/S85084972","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9549953395767526912","address_version":"morton4x16-v1","coordinates":[0,20,18732,45056],"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}