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 possible to patent tone and modulation 
techniques?

4. If 4 is false, then couldn't a "mode" be reverse engineered, and then 
changes made to the patented portions?

I am in no way suggesting that this be done with any particular mode or 
format.

73... Jon W1MNK
http://www.w1mnk.org




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