{"aspect_id":"AS89","aspect_name":"magnetic-field-strength","aspect_reference":null,"aspect_symbol":"H","name":"magnetic-field-strength ampere per metre","scale_id":"SC914","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"H A.m-1","unit_id":"UN69","unit_name":"ampere per metre","unit_reference":null,"unit_symbol":"A.m-1"}