Menu for the package stsdas.hst_calib.fos

    addnewkeys - Add new CALFOS keywords to FOS headers.
      aperlocy - Analyze a target acquisition image.
       apscale - Scale aperture parameters.
         bspec - Compute FOS scattered light spectrum using FFTs.
        calfos - Pipeline calibration for FOS.
     countspec - Calculate FOS countrate spectrum from flux spectrum.
       deaccum - Unstack ACCUM mode data into separate readouts.
    fitoffsety - Correct dispersion coeff. for wavelength offsets.
      foswcorr - Correct calibrated wavelengths (BLUE) for systematic shifts.
       gimpcor - Show magnitude of the calfos gimp correction.
        grspec - Make stacked plots of multigroup images.
    spec_polar - Tasks for reducing and analyzing FOS polarimetry observations.
        unwrap - Remove the 'wrap' from data that has exceeded the internal
		 counter.
    waveoffset - Compute wavelength offset between two spectra.
    yd2p, yp2d - Convert between diode <--> pixel positions.
    yddintplot - Interactively examine dead diode locations.
         ymkmu - Place wavelength information into headers.
        ypeakup - Analyse ACQ/PEAK observations.
        yratio - Take ratios between ACCUM observation bins.

(Type "help fos opt=sys" for more information about the fos package).