>>>The FCC monitoring site in Belfast was dismantled several years ago<< It is still listed in 47 CFR §§0.121(c) and 73.1030(c) as an FCC "field office" requiring RF-interference protection. Sid Schweiger IT Manager, Entercom Boston LLC WAAF-WEEI AM/FM-WQSX-WRKO-WVEI 20 Guest St / 3d Floor Boston MA 02135-2040