Here are personal opinions on the Elecraft K4 from the perspective of a moderately active ham and a K3 user since 2007. As an “In-House” field tester, I’ve had a K4 on the air for two years now, but it is only in the past few months that I’ve really given it a workout. Since autumn, my K4 has worked several thousand stations in each of the big modes: CW, SSB, RTTY, and FT8.
