From the 2012 NAB Radio Show National Radio Systems Committee (NRSC) meetings: They’ve adopted a new NRSC Guideline that focuses on recommendations for broadcasters and receiver manufacturers in the use of the Radio Data System (RDS) data broadcasting technology.
NRSC-G300, RDS Usage Guideline was adopted by the Radio Broadcasting Data System (RBDS) Subcommittee, chaired by Dan Mansergh, Director of Engineering, KQED Public Radio, San Francisco. Approximately 60 pages in length, G300 includes sections focusing on select features of RDS, using RDS for program associated data, and an Annex listing providers of RDS-based data services. Service providers may request inclusion in this Annex by submitting a form which is also included in the new Guideline.
In addition, based on NRSC Procedures that require that all Standards and Guidelines to undergo a review every five years, three documents were reviewed and revised slightly by the AM and FM Analog Broadcasting (AFAB) Subcommittee, co-chaired by Stan Salek, Senior Engineer, Hammett & Edison, Sonoma, CA, and Gary Kline, SVP Corporate Director of Engineering & IT, Cumulus Broadcasting, Atlanta:
–NRSC-1-B, NRSC AM Preemphasis/deemphasis and Broadcast Audio Transmission Bandwidth Specifications
–NRSC-2-B, Emission Limitation for AM Broadcast Transmission
–NRSC-G100-A, Bandwidth Options for Analog AM Broadcasters
These documents will be available free-of-charge on the NRSC’s website, following a final, procedural review which will take approximately two weeks. Additional information about the NRSC, including information on becoming a member, is also available on the website.
It would be nice to be able to read these before they are touted as the new law of the land. Did they add some sort of an EAS to the RDS? That should have been taken into consideration. And how much more can you say about AM bandwidth? Use the whole 10,200Hz bandwidth and provide your listeners a good sonic level. I’m curious to read what these documents have to offer.
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