TNCPLUGS.1 ICOM 4 PIN TNC RADIO PIN 1 PIN 1 PIN 3 PIN 2 PIN 4 Speaker + PIN 2 PIN 4 ICOM 8 PIN TNC RADIO PIN 1 PIN 1 PIN 3 PIN 5 PIN 4 Speaker + PIN 2 PIN 6,7 YAESU 4 PIN TNC RADIO PIN 1 PIN 2 PIN 3 PIN 3 PIN 4 Speaker + PIN 2 PIN 1 YAESU 8 PIN TNC RADIO PIN 1 PIN 8 PIN 3 PIN 6 PIN 4 Speaker + PIN 2 PIN 7 YAESU FT-208 TNC RADIO PIN 1 PIN 1 PIN 3 PIN 3 PIN 4 PIN 2 PIN 2 PIN 4 Mailbox (B,H(elp),K,L,R,S) > This bulletin isn't intended to cover all radios, of course, but if it helps ONE PERSON, it was well worth it. Later, if possible, I will send one out on HTs. 73s de Alan N6QOG @ K6RAU