On 3/17/2020 10:26 AM, Mike Waters wrote: > That being the case, shouldn't noise tests be done on 160 or 80 meters, > rather than 10 or 15 meters? In my tests of my NCC-1, I found it pretty useless above 40M. It accommodates optional preamps; it's driven by a K9AY 8x4 matrix switcher, which includes his preamps (switchable). 73, Jim K9YC