/usr/share/ncarg/nclex/gsun/ is in libncarg-data 6.1.2-7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ncarg/nclex/gsun/gsn_code.ncl
/usr/share/ncarg/nclex/gsun/gsn_csm.ncl
/usr/share/ncarg/nclex/gsun/gsun01n.ncl
/usr/share/ncarg/nclex/gsun/gsun02n.ncl
/usr/share/ncarg/nclex/gsun/gsun03n.ncl
/usr/share/ncarg/nclex/gsun/gsun04n.ncl
/usr/share/ncarg/nclex/gsun/gsun05n.ncl
/usr/share/ncarg/nclex/gsun/gsun06n.ncl
/usr/share/ncarg/nclex/gsun/gsun07n.ncl
/usr/share/ncarg/nclex/gsun/gsun08n.ncl
/usr/share/ncarg/nclex/gsun/gsun09n.ncl
/usr/share/ncarg/nclex/gsun/gsun10n.ncl
/usr/share/ncarg/nclex/gsun/gsun11n.ncl