I wonder. Wouldn’t such noise be out of phase on the two halves of the flat top and hence be rejected?
Also, the nulls will be in the same directions (although the tightness of the pattern will vary) when the antenna is operated from half its design frequency to twice that (e.g., from 40 to 10 meters). ...from someone who is using such a system with open wire feed and a Johnson Matchbox. Victor 4X6GP > On 18 Mar 2020, at 1:42, Jim Brown <[email protected]> wrote: > > 4) A well-balanced transformer coupled tuner CAN present an open to the > common mode circuit, but the rest of the feedline is still part of the > antenna, so any common mode noise received on the feedline is coupled to the > antenna, and from there back down the feedline as a differential signal. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

