(I'll try again) If there are any ops out there that have successfully mated a K2 with an AEA PK-232 TNC for HF Pactor (or any other mode) please contact me. For some reason the PTT line is not being activated when the TNC is in "send" mode. WTIA -- 73 de K2ASP - Phil Kane Elecraft K2/100 s/n 5402