def run_crbox(self,spstring,form,output="",wavecat="INDEF",
                  lowave=0,hiwave=30000):
        """Calcspec has a bug. We will use countrate instead, and force it
        to use a box function of uniform transmission as the obsmode."""

        range=hiwave-lowave
        midwave=range/2.0
        iraf.countrate(spectrum=spstring, magnitude="",
                       instrument="box(%f,%f)"%(midwave,range),
                       form=form,
                       wavecat=wavecat,
                       output=output)
Calcspec has a bug. We will use countrate instead, and force it
        to use a box function of uniform transmission as the obsmode.