Software update reveals FCC methodology for upcoming spectrum auctions

By Dru Sefton

The FCC has “quietly revealed” the methodology it will use for repacking television channels after upcoming spectrum auctions, reports TV Technology. The agency just released a new version of its OET-69 software, called TVStudy, which will perform interference analyses for repacking. OET-69 is based on the Longley-Rice signal propagation model — also known as the irregular terrain model — which TV Technology refers to as “an analog-era methodology that yielded shortcomings when applied after the DTV transition.”

And according to Broadcasting & Cable, the National Association of Broadcasters this week expressed concern to the FCC over a proposed change to the Longley-Rice model, which the FCC may update to reflect 2010 Census population data. The NAB said that change at this point could  “create instability in the [auction] process that can only serve to undermine the auction that NAB and other industry players are working extremely hard to make work as Congress intended.”

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