WBZ-AM Did NOT Run IBOC Last Night; Two That Did

Laurence Glavin lglavin@mail.com
Sat Sep 15 12:52:03 EDT 2007


It appears that WBZ-AM chose not to keep its HD running after sunset
last night (Friday), but in scanning the AM dial to determine what stations
did, I only came up with two neighbors-on-the-dial using simiar calls:
WTAM 1100 in Cleveland and WHAM 1180 in Rochester, NY.  Most nights, WBAL-1090
in Baltimore, WTAM and WBT-1110 in Charlotte have seemingly equally 
strong signals, but from time to time each fades out for a while. 
Whenever WBAL and/or WBT got weak, and WTAM remained powerful, there
was weak but noticeable hash over the former.  Up the dial, the same 
is true of WWVA-1170 and WHAM.  Again, if WWVA faded out, there was some 
hash over it if WHAM remained strong ("the Yankees win...thah-ah-ah-ah
YANKEES WIN!) but I didn't notice anything on 1190.
(When 1190 was Air America, I would listen to it at night and pre-sunrise
but last night, for the most part there was no overriding signal on 1190.)
In any event, so far it appears that IBOC hash from skywave is less of a
problem that IBOC hash from ground wave. Needless to say, I have no way
of knowing whether WXKS-AM or WMKI ran HD at night...you'd have to live 
pretty close to those stations' towers to notice.


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