This folder contains code and data from Evans' PolRadTrans RTM. It has been extracted from the original PolRadTran tar and restructured. If original code is modified, save (and svn!) a copy of the original (as *.orig). Folder rt4/ contains solely contains code necessary for running RT4 (i.e. excludes RT3, RT3-to-RT4 scat data conversion code, and test data and test run files).