{"id":"S85009295","label":"Atmospheric radio refractivity","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85009295","normalized_label":"atmospheric radio refractivity","broader":["http://id.loc.gov/authorities/subjects/sh85110440","http://id.loc.gov/authorities/subjects/sh85110519","http://id.loc.gov/authorities/subjects/sh85112261"],"aliases":["Radio refractivity of Earth's atmosphere","Radio refractivity, Atmospheric","Refractivity, Atmospheric radio"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85009295","provider":"lcsh","revision":"b2ced1c4ebe6a982","taxonomy_revision":"f050b5d4780b1289","title":"Atmospheric radio refractivity","url":"/topics/S85009295","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326664905686140480","address_version":"morton4x16-v1","coordinates":[0,20,17550,15360],"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}