Building antenna 1299970 — Helena, MT

At 20 m, structure 1299970 is about half of the 38 m average across the 91 structures registered in Lewis and Clark County. It is about 38% of the Montana average of 53 m across 1,459 registrations. Among the 1,597 registrations nationwide filed under the same structure-type code (BANT), the average overall height is 36 m, so this one is about 44% below that figure.

The site's filed ground elevation is 1,280 m, which puts the top of the structure 1,300 m above mean sea level.

The registration places the structure near Helena in Lewis and Clark County, Montana, at coordinates 46.58475, -112.03692, with the site address filed as "25 S Ewing St (MT01006I)". Lewis and Clark County has 91 FCC-registered antenna structures, the 2nd-largest count among the 56 Montana counties with registrations, and 60 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 Helena, MT · 1226387, a tower at 105 m (canceled).

Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1299970 on May 17, 2021. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 1,057 in Montana.

The FCC record lists T-Mobile West LLC of Bellevue, WA as the registered owner, under FCC Registration Number 0002837276. Across the registry it holds 1,634 structure registrations, the 17th-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is BANT (372 registrations).

The registration cites FAA aeronautical study 2021-ANM-2211-OE and FAA Advisory Circular 70/7460-1L, 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 4, 5, 12.