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Bonneville to Deploy GBS SFN in San Francisco

MaxxCasting network to be completed by March

GeoBroadcast Solutions said Bonneville International is deploying its SFN technology in San Francisco.

GeoBroadcast Solutions, MaxxCasting
A concept image from the GBS website.

A five-node single-frequency MaxxCasting network is scheduled to be completed in March, serving FMs KOIT (96.5 MHz), KMVQ (99.7 MHz) and KBLX (102.9 MHz).

Each station will share antenna infrastructure through a multiplex system. GBS said the improved signal should also increase penetration with Nielsen PPM Portable People Meters.

“The three stations were acquired by Bonneville from Entercom in 2018,” the supplier noted in a project summary.

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“A particular challenge to all stations in the region is the terrain of the East Bay hills. By implementing a MaxxCasting SFN system, the technology provides a solid, interference-free signal, sound, and HD Radio in the East Bay for all three Bonneville stations. Bonneville will use the MaxxCasting system to simulcast the main signal for the three stations to provide greater coverage in the East Bay.”

GeoBroadcast Solutions, Bonneville International, Maxxcasting
A map of the proposed MaxxCast coverage patterns filed with the FCC by Bonneville.

 Partners working on the project include GatesAir, supplier of Flexiva transmitters; Goldman Engineering Management for the project architecture; Jampro Antennas; SCMS for equipment sales and staging; Covington & Burling, LLP and partner Gerard J. Waldron for legal advice; Rich Redmond, managing partner at Strativa Advisors; and Gary Krantz, CEO of Krantz Media Group.

GBS says its MaxxCasting SFN system expands the coverage area of a FM signal and allows for potential geographic targeting and fencing of text advertising and messaging, though the latter applications are not currently authorized by the commission.

The synchronized transmitter infrastructure uses cellular network design broadcast, and SFN software tools that incorporate high-resolution terrain data, analysis of vehicular traffic and other parameters.

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