this is a REMOTE RIG OPERATIONs setup for CW via AFCW mode for keying the RIG over IP on the LAN using Gstreamer AUDIO over IP scripts... laptop to a raspberry pi2b interface...
the RIT SETUP uses 3 SDR MODULES from RECRI KEYER in this order:
RX over IP STREAM to
"HILBERT CELL" to
690hz audio bandpass "FILTER" to
lo-mixer is adjusted to desired CW PITCH to copy at .... https://github.com/recri/keyer