Pole 1242121 — Chicago, IL
ConstructedFCC Antenna Structure Registration 1242121 — pole near Chicago, Illinois. Wood, steel or concrete pole.
At a glance
FCC Antenna Structure Registration 1242121 is a 49 m (161 ft) pole near Chicago, Cook County, Illinois. Its registration status is constructed, with construction recorded on Feb 12, 2004. It is registered to ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1242121 |
| Unique system identifier | 2641076 |
| Status | Constructed (C) |
| Structure type | Pole (POLE) |
| Date constructed | Feb 12, 2004 |
| Registration issued | Sep 3, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2003-AGL-6817-OE |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (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
- 4601 WEST ADDISON STREET
- City
- Chicago
- State
- Illinois
- ZIP
- 60641
- County
- Cook County
- County FIPS
- 17031
- Coordinates
- 41.94406, -87.74242
Within ~40 km
Nearby structures
Building with tower · Constructed
Building with mast · Constructed
Building with tower · Constructed
Building with tower · Constructed
Building with tower · Granted (not yet constructed)
Building with mast · Constructed
How tall is structure 1242121 compared with others?
At 49 m, structure 1242121 is roughly in line with the 48 m average across the 965 structures registered in Cook County. It is about 29% below the Illinois average of 69 m across 7,108 registrations. Among the 16,541 registrations nationwide filed under the same structure-type code (POLE), the average overall height is 31 m, so this one is about 58% above that figure.
The supporting structure itself measures 46 m; antennas and other appurtenances on top bring the overall height above ground to 49 m. The site's filed ground elevation is 186 m, which puts the top of the structure 235 m above mean sea level.
Where is structure 1242121, and what is registered around it?
The registration places the structure near Chicago in Cook County, Illinois, at coordinates 41.94406, -87.74242, with the site address filed as "4601 WEST ADDISON STREET". Cook County has 965 FCC-registered antenna structures, the largest count among the 102 Illinois counties with registrations, and 640 of them are marked constructed. Illinois as a whole has 7,108 registrations, the 6th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Chicago, IL · 1032959, a building tower at 527 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 1242121 on Sep 3, 2025. Nationally, 141,861 of the 197,703 registrations (71.8%) carry the constructed status, including 5,175 in Illinois.
Who owns antenna structure 1242121?
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 345 in Illinois. 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 2003-AGL-6817-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 1242121?
Its registered overall height above ground is 49 m (161 ft), and 235 m (772 ft) above mean sea level.
Who owns tower 1242121?
The registered owner is ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC antenna structure registrations.
Where is antenna structure 1242121?
It is located near Chicago, Cook County, Illinois at 4601 WEST ADDISON STREET (41.94406, -87.74242). Its status is constructed; it was constructed on Feb 12, 2004.
What type of structure is 1242121?
It is filed with the FCC under structure-type code POLE, which decodes to "Pole". Wood, steel or concrete pole. 16,541 registrations nationwide use the same code.
How many antenna structures are registered in Cook County, IL?
Cook County has 965 FCC-registered antenna structures, 640 of them constructed — the largest count among 102 counties in Illinois.
Related pages
Working with towers? Pro adds alerts, change history and CSV export ($39/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
Dataset updated . Source: FCC Antenna Structure Registration 1242121, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 6, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1242121, Chicago, Cook County, Illinois”, https://towercensus.com/towers/illinois/chicago-1242121 (data as of October 6, 2026).