Tower 1236884 — Johnson City, IL
ConstructedFCC Antenna Structure Registration 1236884 — tower (type not specified) near Johnson City, Illinois. Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole.
At a glance
FCC Antenna Structure Registration 1236884 is a 95 m (310 ft) tower near Johnson City, Williamson County, Illinois. Its registration status is constructed, with construction recorded on Dec 31, 2002. It is registered to T-Mobile USA Tower LLC, which holds 1,344 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1236884 |
| Unique system identifier | 2635077 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Dec 31, 2002 |
| Registration issued | Jan 23, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2002-AGL-5347-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
Bellevue, WA · FRN 0022193270
Holds 1,344 FCC structure registrations — view the full portfolio →
Location
- Address
- 17731 Route 37 (IL-11-509C)
- City
- Johnson City
- State
- Illinois
- ZIP
- 62896
- County
- Williamson County
- County FIPS
- 17199
- Coordinates
- 37.85258, -88.93539
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
Tower (type not specified) · Dismantled
How tall is structure 1236884 compared with others?
At 95 m, structure 1236884 is about 24% above the 76 m average across the 85 structures registered in Williamson County. It is about 37% above the Illinois average of 69 m across 7,110 registrations. Among the 75,247 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about 24% above that figure.
The site's filed ground elevation is 139 m, which puts the top of the structure 234 m above mean sea level.
Where is structure 1236884, and what is registered around it?
The registration places the structure near Johnson City in Williamson County, Illinois, at coordinates 37.85258, -88.93539, with the site address filed as "17731 Route 37 (IL-11-509C)". Williamson County has 85 FCC-registered antenna structures, the 18th-largest count among the 102 Illinois counties with registrations, and 70 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 Creal Springs, IL · 1047010, a tower at 316 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 1236884 on Jan 23, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1236884?
The FCC record lists T-Mobile USA Tower LLC of Bellevue, WA as the registered owner, under FCC Registration Number 0022193270. Across the registry it holds 1,344 structure registrations, the 22nd-largest portfolio among the 7,865 owners with two or more, including 154 in Illinois. Its most common filed structure-type code is TOWER (668 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2002-AGL-5347-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 1236884?
Its registered overall height above ground is 95 m (310 ft), and 234 m (767 ft) above mean sea level.
Who owns tower 1236884?
The registered owner is T-Mobile USA Tower LLC, which holds 1,344 FCC antenna structure registrations.
Where is antenna structure 1236884?
It is located near Johnson City, Williamson County, Illinois at 17731 Route 37 (IL-11-509C) (37.85258, -88.93539). Its status is constructed; it was constructed on Dec 31, 2002.
What type of structure is 1236884?
It is filed with the FCC under structure-type code TOWER, which decodes to "Tower (type not specified)". Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole. 75,247 registrations nationwide use the same code.
How many antenna structures are registered in Williamson County, IL?
Williamson County has 85 FCC-registered antenna structures, 70 of them constructed — the 18th-largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1236884, 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 1236884, Johnson City, Williamson County, Illinois”, https://towercensus.com/towers/illinois/johnson-city-1236884 (data as of October 13, 2026).