Just looked on the site and 4.51 is there and the K3 utility shows it as available as well. When you land on the web page try refresh you may be seeing a cached version of the page. On 7/7/2012 8:01 AM, Paul VanOveren wrote: > I do not see it on the Elecraft website under firmware category and I checked in the K3 Utility 1.12.3.28 ver. Mine reads