{"ob_id":74650,"names":[],"terms":[{"ob_id":2916,"label":"units","value":"1e-9","vocabulary":""},{"ob_id":12285,"label":"var_id","value":"xch4_uncertainty","vocabulary":""},{"ob_id":13052,"label":"long_name","value":"1-sigma uncertainty of the retrieved column-averaged dry air mole fraction of atmospheric methane","vocabulary":""}]}