{"id":"S85122395","label":"Signal generators","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85122395","normalized_label":"signal generators","broader":["http://id.loc.gov/authorities/subjects/sh85042269","http://id.loc.gov/authorities/subjects/sh85095903"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85122395","provider":"lcsh","revision":"8bef807afe833ddd","taxonomy_revision":"f050b5d4780b1289","title":"Signal generators","url":"/topics/S85122395","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900940119929128452","address_version":"morton4x16-v1","coordinates":[0,20,19317,27648],"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}