Unfortunately, the DX4WIN.MAS file is not a text file. Someone else suggested reading the calls into Excel and then identifying uniques, I have done this before, and that is what I'll do. 73 - Jim AD1C -- Jim Reisert AD1C, 7 Charlemont Court, North Chelmsford, MA 01863 USA +978-251-9933, jjreisert at alum.mit.edu, http://www.ad1c.us