> Underscores are allowed in Fortran 77. Not in standard FORTRAN77. -- Phillip Helbig Email .......... [log in to unmask] Nuffield Radio Astronomy Laboratories Tel. ..... +44 1477 571 321 (ext. 297) Jodrell Bank Fax ................. +44 1477 571 618 Macclesfield Telex ................. 36149 JODREL G UK-Cheshire SK11 9DL Web .... http://www.jb.man.ac.uk/~pjh/ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%