Hi Group, When connected to a dummy load, and only on 20m, I find noise peaks of S5-7 about every 70 Khz beginning at 14.050. Between these peaks the backgorund noise is S0. No fluorescents, plasma screens, switching supplies and no change when taken off the AC mains and plugged into a UPS. Any ideas appreciated. 73 Jerry K1JOS CCA #11906