{"id":"S2001002971","label":"Underwater acoustic telemetry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2001002971","normalized_label":"underwater acoustic telemetry","broader":["http://id.loc.gov/authorities/subjects/sh85122404","http://id.loc.gov/authorities/subjects/sh85133270","http://id.loc.gov/authorities/subjects/sh85139609"],"aliases":["Acoustic telemetry, Underwater","Telemetry, Underwater acoustic","Telesonar","Undersea acoustic telemetry","Underwater acoustic communication systems"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2001002971","provider":"lcsh","revision":"44b2598b3693f16d","taxonomy_revision":"f050b5d4780b1289","title":"Underwater acoustic telemetry","url":"/topics/S2001002971","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"613765285102626374","address_version":"morton4x16-v1","coordinates":[0,477,4999,27648],"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}