Tower 1242559 — Antioch, IL
ConstructedFCC Antenna Structure Registration 1242559 — tower (type not specified) near Antioch, 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 1242559 is a 61 m (199 ft) tower near Antioch, Lake County, Illinois. Its registration status is constructed, with construction recorded on Dec 29, 2004. 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) | 1242559 |
| Unique system identifier | 2641526 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Dec 29, 2004 |
| Registration issued | Jan 23, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2004-AGL-407-OE |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (1) |
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
- 25415 W Grass Lake (CH46434C)
- City
- Antioch
- State
- Illinois
- ZIP
- 60002
- County
- Lake County
- County FIPS
- 17097
- Coordinates
- 42.44714, -88.12994
Within ~40 km
Nearby structures
Unspecified structure · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Guyed tower · Constructed
Structure type 2TOWER · Constructed
Tower (type not specified) · Constructed
How tall is structure 1242559 compared with others?
At 61 m, structure 1242559 is about 15% above the 53 m average across the 258 structures registered in Lake County. It is about 12% below 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 20% below that figure.
The site's filed ground elevation is 230 m, which puts the top of the structure 291 m above mean sea level.
Where is structure 1242559, and what is registered around it?
The registration places the structure near Antioch in Lake County, Illinois, at coordinates 42.44714, -88.12994, with the site address filed as "25415 W Grass Lake (CH46434C)". 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 1242559 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 1242559?
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 2004-AGL-407-OE, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".
Frequently asked questions
How tall is antenna structure 1242559?
Its registered overall height above ground is 61 m (199 ft), and 291 m (953 ft) above mean sea level.
Who owns tower 1242559?
The registered owner is T-Mobile USA Tower LLC, which holds 1,344 FCC antenna structure registrations.
Where is antenna structure 1242559?
It is located near Antioch, Lake County, Illinois at 25415 W Grass Lake (CH46434C) (42.44714, -88.12994). Its status is constructed; it was constructed on Dec 29, 2004.
What type of structure is 1242559?
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 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 1242559, 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 1242559, Antioch, Lake County, Illinois”, https://towercensus.com/towers/illinois/antioch-1242559 (data as of October 13, 2026).