21 June 2015

I have completely recomputed 0600.  Low levels should be unchanged.  High
levels may have different mixing.

In the K04 calculation in 2004 I was limited to 61 even and 61 odd 
configurations so I tried to run in several pieces and fit them together.  
Now I have increased the dimensions and have everything in one transition
array as I have been doing for some other recent ions.  I also realized
that the LS coupling basis was not up to treating np Ritz extrapolation for
for J=1 or ns and nd extrapolation for J=2 so I have left them out.  They 
appear as least-squares predicted levels.

Lines from levels with Ritz extrapolation have reference K15R.  Lines from 
levels with polarization extrapolation have reference K15P.  If you do not
want the extrapolations delete those lines.  Also be aware that the high n
lines have very large Stark widths as you would expect.

GF0600EXTR.LAB contains extrapolated series of lines that merge into the s2p2 
continua. They date from 1980 and are required by SYNTHE.  They have indices 
and code words to instruct SYNTHE.  Since the series seem to work, I am 
continuing to use them for the time being.  The energy levels should be 
updated.  The limits are fixed to be the same as in SYNTHE.  

The recommended line lists are GFEMQ0600.ALL and GFEMQ0600.ALLEXTR for SYNTHE.