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Technology in Support of Public Radio

NPR Labs is the nation's only not-for-profit broadcast technology research and development center.

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All Tools

NPR Labs has developed a wide range of tools and software to help public radio engineers work with Program Associated Data (PAD), implement HD Radio and improve signal reception.

IBOC Calculator

Search by call sign for an estimate of allowable HD Radio transmission power for FM radio stations in your broadcast area.



Improve your station's reception and develop new services with terrain-sensitive coverage maps for public radio and television stations.