The RFM has default filenames
for all output files, this section just provides the ability to override
If more than one spectral range or
absorber is specified,
FILTAB must contain a wildcard '*'
character and then acts as a template with '*'
expanded to accommodate the spectral range label [s]
and absorber [g]
(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