In order to transmit PSK31 on the K2 do I have to have the RS232 adaptor? I am receiving the signals via the earphone output but now I want to transmit also! Always something…<grin> Ken/NO4D -- View this message in context: http://www.nabble.com/K2---PSK31-tp15885415p15885415.html Sent from the Elecraft mailing list archive at Nabble.com.