csh updates to point Gemenviron sourcing to NAWIPS directory. Debugging enabled by default in 64bit linux gfortran builds.
lcabnd now constructs 4-char ICAO if 3-char loc is given and not found in sfstns.tbl
re-read sfstns.tbl with ICAO if given as 3-char
logic reoganization for lcabnd.f
log your work