If it is slow relay switching, this could be added to the switching ckt. http://www.w6pql.com/relay_sequencer.htm Ed K7WIA -- View this message in context: http://elecraft.365791.n2.nabble.com/PR-6-issue-when-QRO-tp7511705p7513851.html Sent from the Elecraft mailing list archive at Nabble.com.