{"id":"S85130730","label":"Surface wave antennas","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85130730","normalized_label":"surface wave antennas","broader":["http://id.loc.gov/authorities/subjects/sh85005511"],"aliases":["Antennas, Surface wave"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85130730","provider":"lcsh","revision":"c4cb92e817d1ab45","taxonomy_revision":"f050b5d4780b1289","title":"Surface wave antennas","url":"/topics/S85130730","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547842609461200452","address_version":"morton4x16-v1","coordinates":[0,20,19447,43008],"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}