[JackG]

I tried both Lahey 95 and gfortran, and both gave similar error:

LF95:

Character not allowed by syntax rules or not a valid Fortran character.

gfortran:

DATA MASK_VELD/2#00000000000000001/
1
Error: Syntax error in DATA statement at (1)

I believe it's the 2#00000000000000001 that may be causing the error. Any suggestion to change this so that either LF95 or gfortran can recognize the syntax?

Thanks.