{"id":"S2010006949","label":"Frequency synthesizers--Calibration","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010006949","normalized_label":"frequency synthesizers--calibration","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010006949","provider":"lcsh","revision":"e00bae146d2e1389","taxonomy_revision":"f050b5d4780b1289","title":"Frequency synthesizers--Calibration","url":"/topics/S2010006949","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9244843326262617698","address_version":"morton4x16-v1","coordinates":[0,479,14614,37888],"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}