Removed BBVL(). Not needed; PGD includes multiplication by BB,
the fractional segment coefficient, in calculating eclipsed area.
Removed reference to BBVL().
Removed reference to BBVL().
Replaced ACPGF6.F with version without duplicate addresses, etc. Copied
from ACPGF7.F.
Introduced array VSBL().
NOTE: This is the current PGD version used with ACPGF6.F.
As of 9/11/2013
Revised order of parameters in array lists.
Corrected initialization.
Added some parameters to common list.
Added line to copy list.
Removed ELIGHT exponent in calculating VLV.
Removed duplicate lines of code.
Initialized NKP to 0.
Corrected sequence of parameters in FILNAM().
Added PGDX5.DAT
Added option for exit
Prevents attempt to run with only one longitude.
Added files to copy to ia.
Removed debug statements.
Removed debug break.
Removed Lagin section on intensity spectra.
Restored DKCF.F to normal status.