{"id":"S85084955","label":"Microwave communication systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85084955","normalized_label":"microwave communication systems","broader":["http://id.loc.gov/authorities/subjects/sh85067211","http://id.loc.gov/authorities/subjects/sh85084958","http://id.loc.gov/authorities/subjects/sh85133301"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85084955","provider":"lcsh","revision":"18b2a9e4fa33bc87","taxonomy_revision":"f050b5d4780b1289","title":"Microwave communication systems","url":"/topics/S85084955","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900939844983866880","address_version":"morton4x16-v1","coordinates":[0,20,18732,27648],"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}