Jim 
as far as I know all the hardware for pactor has the same thing.
But only for other pactor signals just like what you posted about 
the packet system.

John

At 09:34 PM 12/28/2007, you wrote:
>I'm not sure what HF Packet BBS's you're talking about but all my
>packet tnc's had a carrier detect feature and would not transmit if
>one was detected.  Was it perfect, heck no!  But it was available AND
>it was turned on.
>
>Jim
>WA0LYK

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