Bill, I have, And I wouldn't. You can have your Soundcards. I'll stick with my hard filtered HAL PCI-3ks Ive watched them copy on a signal, long after my soundcard goes into garble. And Yes, They only Do RTTY... But then If I'm in a RTTY Pileup, Thats what I need it to do. 73 de Mike, WB9B