Adding to what Vic already reported, high-intensity desk lamps are another cause of that. There's a transformer inside the base! It usually needs to be closer to the rig than a power supply, but they are usually quite small and so easy to set within range!
Ron AC7AC _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com