{"ob_id":97116,"names":[],"terms":[{"ob_id":78,"label":"units","value":"1","vocabulary":""},{"ob_id":33989,"label":"long_name","value":"Number of observations used to calculate the mean psc aerosol extinction (550 nm)","vocabulary":""},{"ob_id":33990,"label":"var_id","value":"AEX_PSC550_Ndata","vocabulary":""}]}