anchor.diff:  C   Python connection
         PyZ = Z
   C     Hack alert, didn't get fancier due to newer GLOW version coming soon enough
  -      idate=Pyidate; ut=Pyut; glat=Pyglat; glong=Pyglong; 
  +      idate=Pyidate; ut=Pyut; glat=Pyglat; glong=Pyglong;
         f107a=Pyf107a; f107=Pyf107; f107p=Pyf107p
         ap=Pyap; ef=Pyef; ec=Pyec
   C
  
positive.code:       PARAMETER (NST=6)
        PARAMETER (NEI=10)
        PARAMETER (NF=4)
        
        Integer, Intent(In) :: Pyidate
        Real,Intent(In) :: Pyglat, Pyglong, Pyf107a, Pyf107,
       &                  Pyf107p, Pyap, Pyef, Pyec
  
negative.code: C  445 FORMAT (' SZA=',F5.1,' LST=',F5.2,' Dip=',F5.1,
  C     >        ' Ec=',F6.3,' Ie=',I1)
  C
  C Output photoionization, electron impact ionization,
  C electron density, and ion densities:
  C
  C     write (6,690)
  