Version 8.7 SBUV Overpass Files are now available in an aggregated format (data
from all instruments in a single station text file) at
https://acd-ext.gsfc.nasa.gov/anonftp/toms/sbuv/AGGREGATED/

Previous Version 8.6 overpass files can also be found in the above AGGREGATED
format/directory (subdirectory v8.6) or in this directory, subdirectory
v8.6/overpass.