Clarify 45 dBU Interference Contour for 'Super-Maximum' FM Stations, REC Asks FCC
The FCC should clarify how the proposed 45 dBu interference contour in the draft FM translator order interacts with grandfathered “super-maximum” Class B FM stations, which have far more range than comparable stations, said low-power FM group REC Networks in…
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a letter to Media Bureau Audio Division Chief Al Shuldiner posted Thursday in docket 18-119 (see 1904180063). “While these super-powered Class B stations comprise of less than two percent of licensed FM stations, they are much more prevalent in California.” Their “super-powered" 45 dBu contour can cover tens of thousands more square miles than other stations in their class, REC said. Clarify whether the draft order would limit FM translator interference complaints at such stations’ class maximum 45 dBu contour or the “super-powered” contour, REC asked. KBIG(FM) Los Angeles’ class maximum contour covers more than 99 percent of Los Angeles, but its super-powered 45 dBu contour “extends to cover the entire Ventura/Oxnard and San Bernardino-Riverside markets as well as portions of the Bakersfield, Victor Valley and San Diego metro markets,” REC said. “REC supports the class maximum 45 dBu contour as the outer limit in this case as it would be consistent with other policies on super-powered stations.”