On 2/13/2014 10:39 AM, w8au at sssnet.com wrote: > You have to > fabricate your own board, which goes in place of the 15 meter output > filter. My comments re: harmonic suppression were based on this statement. If W8AU is mistaken and the the filter in question is an INPUT network, my comments do not apply. :) 73, Jim K9YC 7