“My Radio Shack supply is entirely quiet, it is a classic straight-through design. No switching going on here. 72 Howard Kraus, K2UD”
———— Beware of old linear supplies, unless yours is fitted with over Voltage crowbar protection. I too have a Pro Audio PSU and haven’t had any noise issues. It is used from a Spanish holiday QTH with my KX3, antenna is a roof mounted home brew 30/20/15m ground plane with a common mode choke in the feeder. 74 Dave G4AON -- Sent from my iPhone SE ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com