{"id":"S85067837","label":"Ionospheric electron density","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85067837","normalized_label":"ionospheric electron density","broader":["http://id.loc.gov/authorities/subjects/sh85042423","http://id.loc.gov/authorities/subjects/sh85067833"],"aliases":["Electron density, Ionospheric"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85067837","provider":"lcsh","revision":"92c8ebc6e315c611","taxonomy_revision":"f050b5d4780b1289","title":"Ionospheric electron density","url":"/topics/S85067837","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126422926984086016","address_version":"morton4x16-v1","coordinates":[0,20,18464,62464],"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}