Summary

For Oke-Gunn type data-

   ICL> gspike spectrum=standobs table=hd84937 spiketrum=hdspike
   ICL> cspike spiketrum=hdspike spectrum=standobs output=calspike
   ICL> spied  spiketrum=calspike output=calspike       { (optional)
   ICL> interp spiketrum=calspike spectrum=calib
   ICL> spflux spectrum=obs calspect=calib output=calobs

For Filippenko-Greenstein type data-

   ICL> gspike spectrum=standobs table=g158m100 spiketrum=gmspike
   ICL> interp spiketrum=gmspike spectrum=gmfit
   ICL> splot  spectrum=standobs reset accept
   ICL> cfit   output=standfit
   ICL> caldiv standard=gmfit spectrum=standfit output=calib
   ICL> spflux spectrum=obs calspect=calib output=calobs