Tom Mariner <Tom_Mariner@EMAIL.MSN.COM> wrote:

>Yes, we implemented a portable transmitter the implemented the full AX.25
>protocol both in an FM waveform generation into the audio in to a TX chip
>and a digital implementation into a frequency pull circuit. The main
>challenges were the real time CRC generation and the bit stuffing. We used
>a commercial TNC, but could have relatively easily done that end as well.

>The part used was a '71, but the same concepts would certainly work in an
>'84.

>Let me know how you come out with your project.

Tom,

     Is there any code available or was it a commercial project?

Dave, N9LTD