ls(sounding_id,levels), float32 co2_profile_apriori(sounding_id,levels), float32 xco2_averaging_kernel(sounding_id,levels), float32 pressure_weight(sounding_id,levels)
    groups: Meteorology, Preprocessors, Retrieval, Sounding</pre>
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<pre>&lt;class &#39;netCDF4._netCDF4.Group&#39;&gt;
group /Sounding:
    dimensions(sizes): 
    variables(dimensions): float32 solar_azimuth_angle(sounding_id), float32 