VK3XSW Mods

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