Monopole 1245508 — Monmouth, IL
ConstructedFCC Antenna Structure Registration 1245508 — monopole near Monmouth, Illinois. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1245508 is a 61 m (199 ft) monopole near Monmouth, Warren County, Illinois. Its registration status is constructed, with construction recorded on Nov 10, 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) | 1245508 |
| Unique system identifier | 2644654 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Nov 10, 2004 |
| Registration issued | Sep 4, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2023-AGL-11766-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
- 200 BLK SOUTH A. 688388
- City
- Monmouth
- State
- Illinois
- ZIP
- 61462
- County
- Warren County
- County FIPS
- 17187
- Coordinates
- 40.91133, -90.66203
Within ~40 km
Nearby structures
- Seaton, IL · 1222627427 m
Guyed tower · Constructed
Unspecified structure · Canceled
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- Aledo, IL · 1237754132 m
Tower (type not specified) · Canceled
- Aledo, IL · 1008749129 m
Guyed tower · Constructed
- Rio, IL · 1059072129 m
Tower (type not specified) · Constructed
How tall is structure 1245508 compared with others?
At 61 m, structure 1245508 is about 19% below the 75 m average across the 28 structures registered in Warren County. It is about 12% below the Illinois average of 69 m across 7,110 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 45% above that figure.
The supporting structure itself measures 58 m; antennas and other appurtenances on top bring the overall height above ground to 61 m. The site's filed ground elevation is 233 m, which puts the top of the structure 294 m above mean sea level.
Where is structure 1245508, and what is registered around it?
The registration places the structure near Monmouth in Warren County, Illinois, at coordinates 40.91133, -90.66203, with the site address filed as "200 BLK SOUTH A. 688388". Warren County has 28 FCC-registered antenna structures, the 74th-largest count among the 102 Illinois counties with registrations, and 21 of them are marked constructed. Illinois as a whole has 7,110 registrations, the 6th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Seaton, IL · 1222627, a guyed tower at 427 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 1245508 on Sep 4, 2025. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1245508?
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 2023-AGL-11766-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 1245508?
Its registered overall height above ground is 61 m (199 ft), and 294 m (963 ft) above mean sea level.
Who owns tower 1245508?
The registered owner is ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC antenna structure registrations.
Where is antenna structure 1245508?
It is located near Monmouth, Warren County, Illinois at 200 BLK SOUTH A. 688388 (40.91133, -90.66203). Its status is constructed; it was constructed on Nov 10, 2004.
What type of structure is 1245508?
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 Warren County, IL?
Warren County has 28 FCC-registered antenna structures, 21 of them constructed — the 74th-largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1245508, 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 1245508, Monmouth, Warren County, Illinois”, https://towercensus.com/towers/illinois/monmouth-1245508 (data as of October 13, 2026).