Hi Greg, I don't know why the duplex setting changed, but I'm glad that fixed it. 73, David KB4FXC On Fri, 3 Aug 2018, Greg Mohr wrote: > David, > > Your tip did the trick! Why would an update change the rpt.conf duplex setting to 1 from 2? All other settings stayed the same. > > Thank you! > > Greg, W2GCM >