Aim: Copy general keywords from extension to primary header.
The routine declaration is:
subroutine putPrimaryKeywords(fr_tab) ! fr_tab : Handle to the input block type(BlockT), intent(in) :: fr_tab ! Names of the keywords to be copied into the primary header from the extension integer, parameter :: num_keyw_prim = 6 character(len=8), dimension(num_keyw_prim), parameter :: & name_keyw_prim = (/"TELESCOP","INSTRUME", "OBS_ID ", "EXP_ID ", & "DATE-OBS","DATE-END"/)