Dick Frey, k4xu, wrote: "Now all we need is some of those small 20+A switchmode supplies, and we're ready to fly. Anyone want to offer opinions of these?" The Samlec SEC 1223 works well at 20A, is easily switched to 110/230v, and has no RF noise I can detect. Small, low price, recommended -- I have three of them. Ed, G3SQX