Hello Jerry, > I believe the TH-D74A is NOT duplex receive so how is that > workiing out for you contacting the SATS? I don't own a TH-D74A so I can't really tell you. I was passing along a reminder to Steve where AMSAT has posted the information. It might help others too. -- 73 de JoAnne K9JKM k9jkm at amsat.org