Hans, DJ7BA, wrote:
I do hope you have SimSmith. Excuse me for a non-finished answer. It's after midnight in Germany.
I do have SimSmith and your experience and mine coincide, Hans. Ideally, we want the maximum available power transfer to occur at the antenna feedpoint. However, in a very low-loss system, we may have a system-wide *near-conjugate match* such that given a standard S-unit is 6 dB, the difference may be undetectable by the human ear.