In article ,
Jon Noring wrote:

I'm the one who started and cross-posted the related topics (of
building a tube-based AM receiver) to the three newsgroups, including
rec.radio.shortwave.

Nevertheless, I believe the threads are sufficiently on-topic to
r.r.s. to not warrant some pro-active effort to try to stop.

I've sent a complaint to your news provider. We will see if they think
the same way you do.

--
Telamon
Ventura, California