Lattice tower 1220508 — Johnson City, IL
ConstructedFCC Antenna Structure Registration 1220508 — lattice tower near Johnson City, Illinois. Open-framework steel lattice tower.
At a glance
FCC Antenna Structure Registration 1220508 is a 78 m (255 ft) lattice tower near Johnson City, Williamson County, Illinois. Its registration status is constructed, with construction recorded on May 22, 2000. It is registered to AT&T Mobility Spectrum LLC, which holds 1,606 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1220508 |
| Unique system identifier | 2618214 |
| Status | Constructed (C) |
| Structure type | Lattice tower (LTOWER) |
| Date constructed | May 22, 2000 |
| Registration issued | Sep 30, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2018-AGL-18186-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
Plano, TX · FRN 0014980726
Holds 1,606 FCC structure registrations — view the full portfolio →
Location
- Address
- 100 WATER AVE. - Johnson City II - 140002823
- City
- Johnson City
- State
- Illinois
- ZIP
- 62951
- County
- Williamson County
- County FIPS
- 17199
- Coordinates
- 37.80961, -88.92836
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 1220508 compared with others?
At 78 m, structure 1220508 is roughly in line with the 76 m average across the 85 structures registered in Williamson County. It is about 13% above the Illinois average of 69 m across 7,110 registrations. Among the 35,886 registrations nationwide filed under the same structure-type code (LTOWER), the average overall height is 73 m, so this one is roughly in line with that figure.
The supporting structure itself measures 75 m; antennas and other appurtenances on top bring the overall height above ground to 78 m. The site's filed ground elevation is 123 m, which puts the top of the structure 201 m above mean sea level.
Where is structure 1220508, and what is registered around it?
The registration places the structure near Johnson City in Williamson County, Illinois, at coordinates 37.80961, -88.92836, with the site address filed as "100 WATER AVE. - Johnson City II - 140002823". 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 1220508 on Sep 30, 2025. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1220508?
The FCC record lists AT&T Mobility Spectrum LLC of Plano, TX as the registered owner, under FCC Registration Number 0014980726. Across the registry it holds 1,606 structure registrations, the 20th-largest portfolio among the 7,865 owners with two or more, including 103 in Illinois. Its most common filed structure-type code is MTOWER (627 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2018-AGL-18186-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 1220508?
Its registered overall height above ground is 78 m (255 ft), and 201 m (659 ft) above mean sea level.
Who owns tower 1220508?
The registered owner is AT&T Mobility Spectrum LLC, which holds 1,606 FCC antenna structure registrations.
Where is antenna structure 1220508?
It is located near Johnson City, Williamson County, Illinois at 100 WATER AVE. - Johnson City II - 140002823 (37.80961, -88.92836). Its status is constructed; it was constructed on May 22, 2000.
What type of structure is 1220508?
It is filed with the FCC under structure-type code LTOWER, which decodes to "Lattice tower". Open-framework steel lattice tower. 35,886 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 1220508, 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 1220508, Johnson City, Williamson County, Illinois”, https://towercensus.com/towers/illinois/johnson-city-1220508 (data as of October 13, 2026).