9-tower array 1238622 — Boise, ID

At 70 m, structure 1238622 is about 45% above the 49 m average across the 138 structures registered in Ada County. It is about 49% above the Idaho average of 47 m across 1,364 registrations. Among the 10 registrations nationwide filed under the same structure-type code (9TA5), the average overall height is 78 m, so this one is roughly in line with that figure.

The supporting structure itself measures 69 m; antennas and other appurtenances on top bring the overall height above ground to 70 m. The site's filed ground elevation is 911 m, which puts the top of the structure 982 m above mean sea level.

The registration places the structure near Boise in Ada County, Idaho, at coordinates 43.46081, -116.24064, with the site address filed as "0.3 miles west of the intersection of Valley Rd. and Kuna-Mora Rd.". Ada County has 138 FCC-registered antenna structures, the largest count among the 44 Idaho counties with registrations, and 88 of them are marked constructed. Idaho as a whole has 1,364 registrations, the 40th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Middleton, ID · 1306846, a guyed tower at 184 m (constructed).

Granted means the FCC has issued the registration, but the record does not yet carry the owner's notice that construction was completed. The FCC issued registration 1238622 on Apr 25, 2003. Nationally, 18,387 of the 197,770 registrations (9.3%) carry the granted (not yet constructed) status, including 143 in Idaho.

The registration cites FAA aeronautical study 2003-ANM-489-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 9, is listed on the FCC registration form as "FAA Style A". The painting and lighting specification on file cites FAA chapters 3, 4, 5, 12.