Thanks. I've downloaded the file so will now go check it out. Tom Tom Brennan KD5VIJ, CCC-A/SLP web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html To unsubscribe from the Blindapple list, send a message to blindapple-request@xxxxxxxxxxxxx with the word 'unsubscribe' in the subject line. The web page for this list is located at //www.freelists.org/list/blindapple This list is powered by Free Lists! For more info, go to //www.freelists.org