Hi Scott, Thanks for the reply. I did read the information on that page before posting. Unfortunately the information there does not answer my question. Andy VK4KY -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT500-vs-KAT3-Matching-Range-tp7416153p7416182.html Sent from the Elecraft mailing list archive at Nabble.com.