Modernizing AM NRSC Proof of Performance Measurements

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Originally Aired - Tuesday, April 18   |   10:00 AM - 10:20 AM PT

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Every year, each of the more than 4,000 FCC licensed AM radio stations are required to make and document “NRSC" compliant occupied bandwidth transmitter system measurements and place the reports in the station official files. While these measurements can be done by local station engineers, the measurements are relatively complex and can require sophisticated equipment to be completed properly. Compiling the measurements into a document that meets FCC requirements can also be difficult. The number of contract engineers capable of making the measurements and providing professional reports continues to decline. The cost of providing these reports is increasing, making it even more difficult for station management to meet the FCC report requirements. The authors have been making AM NRSC field measurements and providing professional reports for Pacific Northwest broadcasters. They have been developing procedures and processes to make the necessary field measurements and efficiently compiling the data into FCC compliant reports.

This paper provides the experiences with lower cost spectrum analyzers including SDR hardware and sophisticated software to analyze and compile the data to create professional reports.

Presented as part of:

Radio Technology


James Dalke
Dalke Broadcast Service, Inc.