[BC] Nighttime AM HD Status

[Richard Fry]

When AM HD first was authorized for nighttime service, the AM band was full 
of digital noise around many of the Class A skywave signals.  At my 
location in Quincy, IL I could no longer hear anything I could listen to 
long on the adjacents of many of them, although pre-HD I got solid, 
listenable signals here from WSB and WABC (then buzzed out by WJR), and 
similar situations.

Lately the band is a lot quieter.  WJR has turned off their nighttime HD, 
and WSB/WABC are fine here again.  Likewise KDKA and WBZ.  The big ones 
remaining that affect this area yet are WLW and WGN.

Ibiquity must be a bit concerned, no doubt.

RF