On 12/30/2011 1:26 PM, Phillip Nichols wrote: > Would this work in reducing the effects of my notebooks noisy > power-supply.? I can not use my 817 at all on 20m unless I unplug my > Notebook. Not at all. You must kill the noise that the power supply generates. See http://audiosystemsgroup.com/RFI-Ham.pdf for guidance. 73, Jim K9YC