Posted by k1tl on URL: http://elecraft.85.s1.nabble.com/K3-Filter-problem-Part-II-tp3807347.html
Hi Gang,
Failed to mention that when the filter switches above 2.1KHz, the tone moves
up the band and ditto when above 2.7KHz, the tone moves up a few KHz on the
band....annoying to say the least...so the problem may be somewhere else in
the K3.