TowerCensus

Monopole 1221578 — Milwaukee, WI

Constructed

FCC Antenna Structure Registration 1221578 — monopole near Milwaukee, Wisconsin. Single-shaft steel pole, the standard modern cell-site structure.

At a glance

FCC Antenna Structure Registration 1221578 is a 24 m (80 ft) monopole near Milwaukee, Milwaukee County, Wisconsin. Its registration status is constructed, with construction recorded on Jan 12, 2001. It is registered to ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC structure registrations.

Overall height
24 m
80 ft
Support structure
24 m
Top above sea level
238 m
Ground elevation
214 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)1221578
Unique system identifier2619321
StatusConstructed (C)
Structure typeMonopole (MTOWER)
Date constructedJan 12, 2001
Registration issuedAug 26, 2025

Aviation safety

FAA & lighting

FieldValue
FAA study number2023-AGL-11678-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

ARRAY DIGITAL INFRASTRUCTURE, INC.

Chicago, IL · FRN 0004372322

Holds 4,591 FCC structure registrations — view the full portfolio →

Location

Address
5970 SOUTH HOWELL AVENUE
City
Milwaukee
ZIP
53207
County FIPS
55079
Coordinates
42.93592, -87.90892

Within ~40 km

Nearby structures

How tall is structure 1221578 compared with others?

At 24 m, structure 1221578 is about 44% of the 56 m average across the 256 structures registered in Milwaukee County. It is about 33% of the Wisconsin average of 73 m across 5,115 registrations. Among the 24,638 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 42% below that figure.

The site's filed ground elevation is 214 m, which puts the top of the structure 238 m above mean sea level.

Where is structure 1221578, and what is registered around it?

The registration places the structure near Milwaukee in Milwaukee County, Wisconsin, at coordinates 42.93592, -87.90892, with the site address filed as "5970 SOUTH HOWELL AVENUE". Milwaukee County has 256 FCC-registered antenna structures, the largest count among the 72 Wisconsin counties with registrations, and 175 of them are marked constructed. Wisconsin as a whole has 5,115 registrations, the 13th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Milwaukee, WI · 1047092, a guyed tower at 374 m (constructed).

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 1221578 on Aug 26, 2025. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 3,949 in Wisconsin.

Who owns antenna structure 1221578?

The FCC record lists ARRAY DIGITAL INFRASTRUCTURE, INC. of Chicago, IL as the registered owner, under FCC Registration Number 0004372322. Across the registry it holds 4,591 structure registrations, the 4th-largest portfolio among the 7,865 owners with two or more, including 608 in Wisconsin. Its most common filed structure-type code is LTOWER (2,087 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2023-AGL-11678-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 1221578?

Its registered overall height above ground is 24 m (80 ft), and 238 m (781 ft) above mean sea level.

Who owns tower 1221578?

The registered owner is ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC antenna structure registrations.

Where is antenna structure 1221578?

It is located near Milwaukee, Milwaukee County, Wisconsin at 5970 SOUTH HOWELL AVENUE (42.93592, -87.90892). Its status is constructed; it was constructed on Jan 12, 2001.

What type of structure is 1221578?

It is filed with the FCC under structure-type code MTOWER, which decodes to "Monopole". Single-shaft steel pole, the standard modern cell-site structure. 24,638 registrations nationwide use the same code.

How many antenna structures are registered in Milwaukee County, WI?

Milwaukee County has 256 FCC-registered antenna structures, 175 of them constructed — the largest count among 72 counties in Wisconsin.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1221578, 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 1221578, Milwaukee, Milwaukee County, Wisconsin”, https://towercensus.com/towers/wisconsin/milwaukee-1221578 (data as of October 13, 2026).