Hello all on list I have placed my design for a transverter to allow the SB-620 Scanalyzer to be used with recent radios. I used the proper crystal to allow my ICOM 706MKGII 's IF to be converted to my Scanalyzers 3.180 IF You can see the project and peruse the many others at: http://va3ndo.tripod.com/index.htm Have fun Richard / VA3NDO