You can only write a callsign in valid AX.25 format, which is up to 6 alphanumeric characters and a SSID from 0 to 15.
Scott nj2e wrote: > > > > I am trying use the "HFEST-18J" tactical call sign to announce our > hamfest on RF, using my DR-135 and T2-135. When I attempt to write > to the T2, I get "Invalid callsign" error. I put my callsign in the > text box for proper identification. So can I write a tactical call to > a T2-135 or not? In advance thanks for the replies. 73s Don NJ2E > >
