COLUMNDATA_MOD  1
COL_GETHEIGHT  2
COL_GETNUMLEV  1
EARTHCONSTANTS_MOD  1
MATHPHYSCONSTANTS_MOD  1
MODGPSRO_MOD  1
OBSSPACEDATA_MOD  1
OBS_BODYELEM_I  1
OBS_BODYELEM_R  2
OBS_BODYSET_I  2
OBS_GETHEADERINDEX  2
OBS_HEADELEM_I  5
OBS_HEADELEM_R  4
OBS_SET_CURRENT_BODY_LIST  1
OBS_SET_CURRENT_HEADER_LIST  2