{"id":"S85001329","label":"Aeronautics--Communication systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85001329","normalized_label":"aeronautics--communication systems","broader":[],"aliases":["Aeronautical telecommunication services","Aviation communications"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85001329","provider":"lcsh","revision":"caffd5e0305a2c18","taxonomy_revision":"f050b5d4780b1289","title":"Aeronautics--Communication systems","url":"/topics/S85001329","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088076359449838084","address_version":"morton4x16-v1","coordinates":[0,20,17425,50176],"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}