A few days ago, I posted an article about Bill Meara (producer of the SolderSmoke Podcast) who was hearing audio echoes on his home brew regenerative receiver.
Bill has now solved this mystery (hint: it’s all about the receiver):
http://soldersmoke.blogspot.com/2014/09/radio-china-international-echo-mystery.html
Just read it.
What does he mean by RCI???