The RFM has default filenames
for all output files, this section just provides the ability to override
If more than one spectral range or
tangent height (or other ray path
definition) is specified,
FILBBT must contain a wildcard '*'
character and then acts as a template with '*'
expanded to accommodate the spectral range label [s]
and ray path [t]
(see Output Files)
If any run_ID is specified,
this is also appended to
the output filename.
If the filename contains the strings '.asc' or '.bin',
these are automatically switched according to the status of the