Lattice tower 1008305 — Antioch, IL
ConstructedFCC Antenna Structure Registration 1008305 — lattice tower near Antioch, Illinois. Open-framework steel lattice tower.
At a glance
FCC Antenna Structure Registration 1008305 is a 82 m (270 ft) lattice tower near Antioch, Lake County, Illinois. Its registration status is constructed, with construction recorded on Oct 1, 1986. It is registered to Crown Castle GT Company, LLC, which holds 2,215 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1008305 |
| Unique system identifier | 113055 |
| Status | Constructed (C) |
| Structure type | Lattice tower (LTOWER) |
| Date constructed | Oct 1, 1986 |
| Registration issued | Jan 27, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2010-AGL-1698-OE |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 4, 6, 12 |
| Marking / lighting code | FAA Style D (5) |
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
Canonsburg, PA · FRN 0005793682
Holds 2,215 FCC structure registrations — view the full portfolio →
Location
- Address
- 21736 W GRASS LAKE RD
- City
- Antioch
- State
- Illinois
- ZIP
- 60002
- County
- Lake County
- County FIPS
- 17097
- Coordinates
- 42.44300, -88.05717
Within ~40 km
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How tall is structure 1008305 compared with others?
At 82 m, structure 1008305 is about 56% above the 53 m average across the 258 structures registered in Lake County. It is about 20% 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 about 13% above that figure.
The supporting structure itself measures 77 m; antennas and other appurtenances on top bring the overall height above ground to 82 m. The site's filed ground elevation is 254 m, which puts the top of the structure 336 m above mean sea level.
Where is structure 1008305, and what is registered around it?
The registration places the structure near Antioch in Lake County, Illinois, at coordinates 42.44300, -88.05717, with the site address filed as "21736 W GRASS LAKE RD". Lake County has 258 FCC-registered antenna structures, the 3rd-largest count among the 102 Illinois counties with registrations, and 171 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 Racine County, WI · 1036636, a structure at 154 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 1008305 on Jan 27, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1008305?
The FCC record lists Crown Castle GT Company, LLC of Canonsburg, PA as the registered owner, under FCC Registration Number 0005793682. Across the registry it holds 2,215 structure registrations, the 11th-largest portfolio among the 7,865 owners with two or more, including 158 in Illinois. Its most common filed structure-type code is TOWER (1,222 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2010-AGL-1698-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 5, is listed on the FCC registration form as "FAA Style D". The painting and lighting specification on file cites FAA chapters 4, 6, 12.
Frequently asked questions
How tall is antenna structure 1008305?
Its registered overall height above ground is 82 m (270 ft), and 336 m (1,103 ft) above mean sea level.
Who owns tower 1008305?
The registered owner is Crown Castle GT Company, LLC, which holds 2,215 FCC antenna structure registrations.
Where is antenna structure 1008305?
It is located near Antioch, Lake County, Illinois at 21736 W GRASS LAKE RD (42.44300, -88.05717). Its status is constructed; it was constructed on Oct 1, 1986.
What type of structure is 1008305?
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 Lake County, IL?
Lake County has 258 FCC-registered antenna structures, 171 of them constructed — the 3rd-largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1008305, 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 1008305, Antioch, Lake County, Illinois”, https://towercensus.com/towers/illinois/antioch-1008305 (data as of October 13, 2026).