Guyed tower 1221187 — Williamsburg, IA
ConstructedFCC Antenna Structure Registration 1221187 — guyed tower near Williamsburg, Iowa. Tower or mast held upright by tensioned guy wires anchored in the ground around its base.
At a glance
FCC Antenna Structure Registration 1221187 is a 81 m (265 ft) guyed tower near Williamsburg, Iowa County, Iowa. Its registration status is constructed, with construction recorded on Jan 25, 2001. It is registered to ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1221187 |
| Unique system identifier | 2618893 |
| Status | Constructed (C) |
| Structure type | Guyed tower (GTOWER) |
| Date constructed | Jan 25, 2001 |
| Registration issued | Aug 26, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2023-ACE-3100-OE |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 4, 8, 12 |
| Marking / lighting code | FAA Style E (7) |
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
- 2211 R Avenue
- City
- Williamsburg
- State
- Iowa
- ZIP
- 52361
- County
- Iowa County
- County FIPS
- 19095
- Coordinates
- 41.68628, -91.97008
Within ~40 km
Nearby structures
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Dismantled
Guyed tower · Constructed
How tall is structure 1221187 compared with others?
At 81 m, structure 1221187 is roughly in line with the 83 m average across the 41 structures registered in Iowa County. It is roughly in line with the Iowa average of 79 m across 4,130 registrations. Among the 20,259 registrations nationwide filed under the same structure-type code (GTOWER), the average overall height is 107 m, so this one is about 24% below that figure.
The supporting structure itself measures 76 m; antennas and other appurtenances on top bring the overall height above ground to 81 m. The site's filed ground elevation is 267 m, which puts the top of the structure 347 m above mean sea level.
Where is structure 1221187, and what is registered around it?
The registration places the structure near Williamsburg in Iowa County, Iowa, at coordinates 41.68628, -91.97008, with the site address filed as "2211 R Avenue". Iowa County has 41 FCC-registered antenna structures, the 37th-largest count among the 99 Iowa counties with registrations, and 32 of them are marked constructed. Iowa as a whole has 4,130 registrations, the 20th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Hiawatha, IA · 1024408, a tower at 332 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 1221187 on Aug 26, 2025. Nationally, 141,861 of the 197,703 registrations (71.8%) carry the constructed status, including 3,269 in Iowa.
Who owns antenna structure 1221187?
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 678 in Iowa. 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-ACE-3100-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 7, is listed on the FCC registration form as "FAA Style E". The painting and lighting specification on file cites FAA chapters 4, 8, 12.
Frequently asked questions
How tall is antenna structure 1221187?
Its registered overall height above ground is 81 m (265 ft), and 347 m (1,140 ft) above mean sea level.
Who owns tower 1221187?
The registered owner is ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC antenna structure registrations.
Where is antenna structure 1221187?
It is located near Williamsburg, Iowa County, Iowa at 2211 R Avenue (41.68628, -91.97008). Its status is constructed; it was constructed on Jan 25, 2001.
What type of structure is 1221187?
It is filed with the FCC under structure-type code GTOWER, which decodes to "Guyed tower". Tower or mast held upright by tensioned guy wires anchored in the ground around its base. 20,259 registrations nationwide use the same code.
How many antenna structures are registered in Iowa County, IA?
Iowa County has 41 FCC-registered antenna structures, 32 of them constructed — the 37th-largest count among 99 counties in Iowa.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1221187, 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 1221187, Williamsburg, Iowa County, Iowa”, https://towercensus.com/towers/iowa/williamsburg-1221187 (data as of October 6, 2026).