A speedbump for AM digital: Citadel/ABC halts nighttime IBOC
Citadel/ABC engineering exec Martin Stabbert circulates a memo asking the group's AM stations to suspend nighttime HD Radio transmission until they can do further work with iBiquity to reduce adjacent-channel interference. The FCC allowed nighttime AM digital as of September 14 - and the complaints have mounted up. Citadel/ABC's turnabout affects only nighttime AM operation, whose physics are very different from daytime AM, because of the potential for long-range interference as the sun goes down and the atmosphere cools. There's already a lively discussion on the HD Radio part of the Radio-Info message boards.
http://www.radio-info.com/news/
posted on radio-info.com 10/2/2007
ABC Citadel turning off AM IBOC
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ABC Citadel turning off AM IBOC
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Re: ABC Citadel turning off AM IBOC
There's already a discussion about it on this message board called "AM IBOC- Death to low power night station," including the Citadel announcement.Force Commander wrote: There's already a lively discussion on the HD Radio part of the Radio-Info message boards.
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