An oscilloscope is not needed when aligning a K2. You can optimize your IF filters by using Spectrogram or other audio spectrum analyzer software, Take a look at the K2 Dial Calibration article on my website www.w3fpr.com 73, Don W3FPR On 3/26/2012 11:07 AM, gary7 wrote: > Does anybody have a link on how to align my K2 using an oscilloscope? > >