DATA has atmospheric models.
----

Files ending in .atm have r, p, T, n, nco
Files ending in .line have r, p, T, n, nco, and spectral info

piso100_58  Isothermal Pluto, T=100, p_surf=58
tiso050_24  Isothermal Triton, T=100, p_surf=23.8
tiso050_34  Isothermal Triton, T=100, p_surf=33.6

FUNCTIONS AND PROCEEDURES
-------------------------

constants: define such things as Pluto mass, etc.
isoatm: make an isothermal atmosphere
wratm: write a '.atm' file
rdatm: read a '.atm' file
atm2line: read a '.atm' file and make a '.line' file
wrline: write a '.line' file
rdline: read a '.line' file

COMMAND FILES
-------------

mkisoatm: make the isothermal atmosphere files
mklines:  make the .line files
mkpluto:  make p1.atm, p2.atm, p3.atm

