TowerCensus

Structure 1211847 — Helena, MT

Constructed

FCC Antenna Structure Registration 1211847 — unspecified structure near Helena, Montana.

At a glance

FCC Antenna Structure Registration 1211847 is a 26 m (85 ft) structure near Helena, Lewis and Clark County, Montana. Its registration status is constructed, with construction recorded on Feb 10, 2015. It is registered to Zayo Group, LLC.

Overall height
26 m
85 ft
Support structure
21 m
Top above sea level
1,239 m
Ground elevation
1,213 m
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≥ 150 m60–150 m30–60 m< 30 m
This entry + 6 nearby

Registration record

FCC record

FieldValue
Registration number (ASRN)1211847
Unique system identifier2609001
StatusConstructed (C)
Structure typeUnspecified structure (—)
Date constructedFeb 10, 2015
Registration issuedMar 7, 2017

Aviation safety

FAA & lighting

FieldValue
FAA study number00-ANM-0208-OE
FAA circular—
Painting / lighting specNONE
Marking / lighting codeNone (1)

The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.

Registered owner

Zayo Group, LLC

Boulder, CO · FRN 0016555849

Location

Address
1315 N. Main Street
City
Helena
State
Montana
ZIP
59601
County FIPS
30049
Coordinates
46.60019, -112.02497

Within ~40 km

Nearby structures

How tall is structure 1211847 compared with others?

At 26 m, structure 1211847 is about 32% below the 38 m average across the 91 structures registered in Lewis and Clark County. It is about half of the Montana average of 53 m across 1,459 registrations.

The supporting structure itself measures 21 m; antennas and other appurtenances on top bring the overall height above ground to 26 m. The site's filed ground elevation is 1,213 m, which puts the top of the structure 1,239 m above mean sea level.

Where is structure 1211847, and what is registered around it?

The registration places the structure near Helena in Lewis and Clark County, Montana, at coordinates 46.60019, -112.02497, with the site address filed as "1315 N. Main Street". 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 · 1226391, a tower at 105 m (canceled).

What does the status "Constructed" mean?

Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1211847 on Mar 7, 2017. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 1,057 in Montana.

Who owns antenna structure 1211847?

The FCC record lists Zayo Group, LLC of Boulder, CO as the registered owner, under FCC Registration Number 0016555849.

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 00-ANM-0208-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".

Frequently asked questions

How tall is antenna structure 1211847?

Its registered overall height above ground is 26 m (85 ft), and 1,239 m (4,065 ft) above mean sea level.

Who owns tower 1211847?

The registered owner is Zayo Group, LLC.

Where is antenna structure 1211847?

It is located near Helena, Lewis and Clark County, Montana at 1315 N. Main Street (46.60019, -112.02497). Its status is constructed; it was constructed on Feb 10, 2015.

What type of structure is 1211847?

The FCC record does not state a structure type for this registration.

How many antenna structures are registered in Lewis and Clark County, MT?

Lewis and Clark County has 91 FCC-registered antenna structures, 60 of them constructed — the 2nd-largest count among 56 counties in Montana.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1211847, weekly bulk file.

About this data

Source: FCC Antenna Structure Registration (ASR) database, as published October 13, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.

Cite as: TowerCensus, “Antenna structure 1211847, Helena, Lewis and Clark County, Montana”, https://towercensus.com/towers/montana/helena-1211847 (data as of October 13, 2026).