WICEN (Vic.) Inc. Data Communications Subcommittee
TNC Mods by Warren Stirling VK3XSW
Kantronics
KPC3 Reverse polarity & PTT protection
PCB component side view
PCB solder side view
KPC4 Continuosly adjustable output
KPC9612 Reverse polarity & transient over-voltage protection
KAM Continuosly adjustable output
KPC2400 PTT Modification
Data Engine 1200 baud modem Continuosly adjustable output
Others
MFJ 1270B Output audio level equalisation & other "gotchas"
Pacomm Tiny 2 Modifications Ouput level equalisation and easier adjustment
Connecting an IC228 to a Kantronics TNC
Connecting an IC3210 to a TNC
Packet and the Icom 207
Icom OPC-646 interface for IC-207 radio