{"id":"S85109032","label":"Pulse amplitude modulation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85109032","normalized_label":"pulse amplitude modulation","broader":["http://id.loc.gov/authorities/subjects/sh85004653","http://id.loc.gov/authorities/subjects/sh85109040"],"aliases":["Modulation, Pulse amplitude"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85109032","provider":"lcsh","revision":"22053d6a80c9945b","taxonomy_revision":"f050b5d4780b1289","title":"Pulse amplitude modulation","url":"/topics/S85109032","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547701854725604864","address_version":"morton4x16-v1","coordinates":[0,20,19108,40960],"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}