Steve, My frist thought is to clean the contacts ( there open frame relays)
For changing the relays Direct replacement difficult . The Co that makes them produces them in limited runs for Amerirtron GL Wayne ,W3EA Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Steve London<mailto:n2ica...@gmail.com> Sent: Tuesday, February 22, 2022 1:05 PM To: Topband<mailto:topband@contesting.com> Subject: Topband: Relay bounce I am using an Ameritron RCS-4 antenna switch to select between beverage antennas. Recently, it has developed a bad case of relay bounce causing an S9 spike every time I switch between antennas. Any suggestions on how to improve this ? Since it's only used for RX antenna selection, I'm amenable to replacing the relays with something else, although I have had issues before with other relays due to no current going through the contacts. Thanks and 73, Steve, N2IC _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector