When I visited Gianfranco 3 years ago he showed me flexible mount of the existing relay that reduced the clatter to almost none. Not sure whether this has been implemented. Ignacy, NO9E -- View this message in context: http://elecraft.365791.n2.nabble.com/Re-K3-2K-FA-int-tp7611747p7611757.html Sent from the Elecraft mailing list archive at Nabble.com.