Hi, I've never noticed this before, but the help for JMFIT is ambiguous about what will happen if DOPRINT=0. AIPS 1: DOPRINT 0 <=0 -> Print maps and AIPS 1: solutions on line printer AIPS 1: >0 -> print on terminal AIPS 1: =0 -> maps not printed AIPS 1: FITOUT ' ' Hopefully not the line printer! (It's pretty trivial, obviously.) Thanks, Shami