Hi Norm, > the sound card in a computer to decode cw telemetry The ARISSatTLM software has a CW decoder for copying the ARISSat-1 telemetry. I even used this CW decoder on the HF bands. See: http://www.arissat1.org/v3/ -- 73 de JoAnne K9JKM k9jkm at amsat.org