Yes you must buy a box to play the mode. What did you do before the sound card? Maybe watch your corn grow.
As far as the email comment, I can tell you have not seen to much if any of the pactor or packet traffic of late. Just going on what other have said. John At 01:30 PM 3/2/2008, you wrote: >John, > >The difference is HUGE! > >Pactor is a proprietary mode and the primary use is for radio e-mail.