


<div class="output_text output_subarea output_execute_result">
<pre>&lt;class &#39;netCDF4._netCDF4.Group&#39;&gt;
group /Retrieval:
    dimensions(sizes): 
    variables(dimensions): int8 surface_type(sounding_id), float32 psurf(sounding_id), float32 SigmaB(levels), float32 windspeed(sounding_id), float32 windspeed_apriori(sounding_id), float32 psurf_apriori(sounding_id), float32 t700(sounding_id), float32 fs(sounding_id), float32 fs_rel(sounding_id), float32 tcwv(sounding_id), float32 tcwv_apriori(soun