about SAS transport files
- SAS' description of v8 transport file record layout https://documentation.sas.com/?docsetId=movefile&docsetTarget=p0ld1i106e1xm7n16eefi7qgj8m9.htm&docsetVersion=v_001&locale=en
presumably the description of the NAMSTV8 header is not right - SAS macro to generate transport files: https://support.sas.com/kb/46/addl/fusion_46944_7_loc2xpt.sas.txt
- SAS macro to read transport files: https://support.sas.com/kb/46/addl/fusion_46944_9_xpt2loc.sas.txt
- common SAS macros for transport files: https://support.sas.com/kb/46/addl/fusion_46944_11_xptcommn_fix.sas.txt