Mast 1218175 — Seligman, AZ

At 18 m, structure 1218175 is about half of the 40 m average across the 119 structures registered in Yavapai County. It is about half of the Arizona average of 37 m across 2,833 registrations. Among the 3,482 registrations nationwide filed under the same structure-type code (MAST), the average overall height is 53 m, so this one is about 34% of that figure.

The supporting structure itself measures 12 m; antennas and other appurtenances on top bring the overall height above ground to 18 m. The site's filed ground elevation is 1,592 m, which puts the top of the structure 1,610 m above mean sea level.

The registration places the structure near Seligman in Yavapai County, Arizona, at coordinates 35.32861, -112.89017, with the site address filed as "mp429.6 W End". Yavapai County has 119 FCC-registered antenna structures, the 7th-largest count among the 15 Arizona counties with registrations, and 63 of them are marked constructed. Arizona as a whole has 2,833 registrations, the 27th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Seligman, AZ · 1002868, a structure at 74 m (dismantled).

Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1218175 on May 17, 2023. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 1,789 in Arizona.

The FCC record lists BNSF Railway Co. of Kansas City, KS as the registered owner, under FCC Registration Number 0004772877. Across the registry it holds 1,075 structure registrations, the 26th-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is TOWER (313 registrations).

The registration cites FAA aeronautical study 00-AWP-2446-OE, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".