gettape,s,a,,,,Tape to read fits headers from (i.e. "mta")
getout,s,a,,,,File to put output information in
getsfnum,i,a,,,,File number on tape from which to start logging 
getefnum,i,a,,,,File number on tape at which logging is to end
getapp,b,a,,,,Append to existing file?
getmag,b,a,,,,Is this data magnetic field? (yes = 8688  no = 10830)