function get_wave,sfilter,swave,swavel

   CASE sfilter OF              
      'Fe XIV':   wave = [swave(1),swave(0),swave(4)]
      'Fe X':     wave = [swave(3),swave(2)]
   ELSE:          wave = [swave(1),swave(0)]
   ENDCASE    
           
   CASE swavel OF
      'On line':          wave = [wave(0)]
      'Off line':	  wave = [wave(1)]
      'On & Off line':    wave = [wave(0),wave(1)]
      'L On line':        wave = [swave(4)]
      'L On & Off line':  wave = [swave(0),swave(4)]
   ELSE: 		  wave = [swave(1),swave(0)]
   ENDCASE

return,wave
end