I'll take a crack at this since all my operation is either RTTY
(using a model 28ARS machine) or pactor ARQ using a TNC.
(1)Most are on pactor 1. very few on K2K on 2 or 3.
(2) the way it does what it does.
(3) not that I know of. A few years ago nextel (I think it was) did try
to patent P
1 Does anybody have a feel for how many Hams are using PII and PIII for
keyboard QSOs?
2. SCS has a patent on these modes. What exactly is patented? I know the
hardware must be, and probably a software element like compression can
be patented, but what else?
3. In reference to 2, is it possibl