“Frequencies below TV channel 21 are off limits to mobile TVBDs, except in the 13 largest cities where they’re used for mobile radio services, which makes Audio-Technica’s new I band (TV 16-20) another good selection.” 
 
This statement is not quite accurate. Personal/portable TVBDs may not operate below channel 21 under any circumstances. Fixed TVBDs may operate in UHF-TV channels 14-21 *except* in those 13 major economic areas (the FCC doesn’t confine the geography to city limits) where Part 90 LMR services operate by waiver.

Yes, Henry, once again, you’re right. Instead of 13 major cities, it should read major economic areas. Can you name them? My point was that in those 13 cities, TV channels 14-20, devoid of any TVBDs in the future, might be a good place for future non-touring equipment. You seem good at trivia. How many of those six TV channels in those cities are unused by broadcast and mobile radio? Thank you, Henry.

Any word from Mr. Cohen or others on the identities of those “13 major economic areas” or cities?

The 13 cities, er “major economic markets”: hmm, let’s see if i can do it from memory. They’re all big and Henry will help us if I get one wrong. OK: Boston, New York, Cleveland, Chicago, Dallas, Houston, Los Angeles, San Francisco, Detroit, Miami, Pittsburgh, Philly and DC. Phew. In those cities, er MEAs, the first unoccupied TV channel on either side of TV 37 will exclude TVBDs (in theory).

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