4-tower array 1005683 — Shelby, MT

At 68 m, structure 1005683 is about 35% above the 50 m average across the 19 structures registered in Toole County. It is about 27% above the Montana average of 53 m across 1,459 registrations. Among the 295 registrations nationwide filed under the same structure-type code (4TA2), the average overall height is 83 m, so this one is about 18% below that figure.

The site's filed ground elevation is 1,052 m, which puts the top of the structure 1,120 m above mean sea level.

The registration places the structure near Shelby in Toole County, Montana, at coordinates 48.48136, -111.88475, with the site address filed as "2.5 miles south on I-15". Toole County has 19 FCC-registered antenna structures, the 26th-largest count among the 56 Montana counties with registrations, and 14 of them are marked constructed. Montana as a whole has 1,459 registrations, the 39th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Oilmont, MT · 1304262, a guyed tower at 116 m (constructed).

Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1005683 on Dec 8, 2021. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 1,057 in Montana.

The FCC record lists Townsquare Media Shelby, LLC of Purchase, NY as the registered owner, under FCC Registration Number 0019945740. Across the registry it holds 5 structure registrations, including 5 in Montana. Its most common filed structure-type code is 4TA1 (1 registrations).

The registration cites FAA aeronautical study MSP-OE-67-6B, 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 1, 3, 11, 21.