Dear Everyone,
I had some questions: 1. When I using line-by-line and MPM93（or PWR98） to calculate the brightness temperatures, the difference between the results can be more than 20 K at about 50 and 70 GHz in the nadir observation (especially when the reflectivity is large). Is this expected ? In other frequencies, such as 118 GHz, the difference is small. 2. when I using iy_surface_agenda in 2.4.0 (but it can be worked in arts 2.3), error will occur: Run-time error in method: AgendaSet The agenda iy_surface_agenda must generate the output WSV dsurface_rmatrix_dx,but it does not. How can I solve it? 3. I extracted the scat data from the Single Scattering Databases. In the test controlfiles, the data is read as: ScatElementsPndAndScatAdd( scat_data_files=["testdata/scatData/azi-random_f229-231T214-225r100NP-1ar1_5ice.xml"], pnd_field_files=[""] ) However, the data from the Single Scattering Databases can't be read by this method since the format is different. Should I use ScatSpeciesScatAndMetaRead instead? Thank you very much. It is better if a demo contralfile could be provided. Regards, Wenyu Wang
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