Guyed tower 1216581 — Cave In Rock, IL
ConstructedFCC Antenna Structure Registration 1216581 — guyed tower near Cave In Rock, Illinois. Tower or mast held upright by tensioned guy wires anchored in the ground around its base.
At a glance
FCC Antenna Structure Registration 1216581 is a 109 m (358 ft) guyed tower near Cave In Rock, Hardin County, Illinois. Its registration status is constructed, with construction recorded on Jun 6, 1995. It is registered to American Towers LLC, which holds 21,809 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1216581 |
| Unique system identifier | 2614088 |
| Status | Constructed (C) |
| Structure type | Guyed tower (GTOWER) |
| Date constructed | Jun 6, 1995 |
| Registration issued | Apr 11, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2022-AGL-7739-OE |
| FAA circular | — |
| Painting / lighting spec | A2, H, 3, 4, 13, 21, 23 |
| 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
Woburn, MA · FRN 0011498342
Holds 21,809 FCC structure registrations — view the full portfolio →
Location
- Address
- Intersection of Rt. 146 and Rt. 1, 4 mi NW of CIR (Cadez, IL # 303809)
- City
- Cave In Rock
- State
- Illinois
- ZIP
- 62919
- County
- Hardin County
- County FIPS
- 17069
- Coordinates
- 37.53111, -88.21244
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
- Salem, KY · 1261019120 m
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
How tall is structure 1216581 compared with others?
At 109 m, structure 1216581 is about 14% above the 96 m average across the 4 structures registered in Hardin County. It is about 59% above the Illinois average of 69 m across 7,110 registrations. Among the 20,277 registrations nationwide filed under the same structure-type code (GTOWER), the average overall height is 107 m, so this one is roughly in line with that figure.
The supporting structure itself measures 107 m; antennas and other appurtenances on top bring the overall height above ground to 109 m. The site's filed ground elevation is 224 m, which puts the top of the structure 333 m above mean sea level.
Where is structure 1216581, and what is registered around it?
The registration places the structure near Cave In Rock in Hardin County, Illinois, at coordinates 37.53111, -88.21244, with the site address filed as "Intersection of Rt. 146 and Rt. 1, 4 mi NW of CIR (Cadez, IL # 303809)". Hardin County has 4 FCC-registered antenna structures, the 101st-largest count among the 102 Illinois counties with registrations, and 3 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 Harrisburg, IL · 1047011, a tower at 153 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 1216581 on Apr 11, 2025. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1216581?
The FCC record lists American Towers LLC of Woburn, MA as the registered owner, under FCC Registration Number 0011498342. Across the registry it holds 21,809 structure registrations, the largest portfolio among the 7,865 owners with two or more, including 881 in Illinois. Its most common filed structure-type code is LTOWER (5,885 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2022-AGL-7739-OE, 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 A2, H, 3, 4, 13, 21, 23.
Frequently asked questions
How tall is antenna structure 1216581?
Its registered overall height above ground is 109 m (358 ft), and 333 m (1,093 ft) above mean sea level.
Who owns tower 1216581?
The registered owner is American Towers LLC, which holds 21,809 FCC antenna structure registrations.
Where is antenna structure 1216581?
It is located near Cave In Rock, Hardin County, Illinois at Intersection of Rt. 146 and Rt. 1, 4 mi NW of CIR (Cadez, IL # 303809) (37.53111, -88.21244). Its status is constructed; it was constructed on Jun 6, 1995.
What type of structure is 1216581?
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. 20,277 registrations nationwide use the same code.
How many antenna structures are registered in Hardin County, IL?
Hardin County has 4 FCC-registered antenna structures, 3 of them constructed — the 101st-largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1216581, 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 1216581, Cave In Rock, Hardin County, Illinois”, https://towercensus.com/towers/illinois/cave-in-rock-1216581 (data as of October 13, 2026).