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TVWS Terrain Model Lacks Support, NAB Says, Countering Microsoft

There's too little support to move forward on a terrain-based propagation model to determine channel availability for TV white spaces operations (see 2104270037), NAB said in calls with aides to acting FCC Chairwoman Jessica Rosenworcel and Commissioners Brendan Carr and…

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Geoffrey Starks. “Microsoft and other white spaces proponents have simply failed to do the work to demonstrate that this proposal will not increase the potential for harmful interference to licensed television stations,” said Thursday's posting in docket 20-36. Microsoft didn’t comment.