On Sun, 15 Oct 2017 09:28:57 -0700, Jeff Liebermann
wrote:

Back to the "Quality AM Radio"... To deal with complaints about lousy
mono AM quality, the AMAX certification program was established:
https://en.wikipedia.org/wiki/AMAX

Some more detail on AMAX, improvements to AM broadcasting, and AM
stereo:
http://www.radioworld.com/am_king

--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558