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Friday, August 12, 2005


HD Radio NRSC-5 comments to FCC- Mostly against!

Early Responses to NRSC-5 Skewing Negative A sample of comments of the early returns filed in response to the FCC's Public Notice DA 05-1661, requesting comments from all interested parties regarding the "In band/On Channel Digital Radio Broadcasting Standard NRSC-5" submitted to the FCC by the National Radio Standards Committee (NRSC) on May 18, 2005, suggest that AM adjacent channel interference is still a concern among some U.S. and Canadian broadcasters.
On July 14, an informal look at the 11 comments posted since the FCC issued its public notice on June 16 revealed that 10 of the respondents had objections or concerns relating to adjacent and co-channel interference in secondary coverage areas caused by AM IBOC operation.
Among the respondents were Canadian broadcast engineer Barry McClarnon and Leonard Kahn of New York. Both have authored articles opposed to adoption of IBOC digital broadcasting using Ibiquity's proprietary HD Radio technology in the United States.
The comments period remains open until Aug. 17. Those interested in filing comments can find more information at
http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-05-1661A1.doc. Read the submitted comments at the this link.

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