Tower 1235543 — Grayslake, IL
ConstructedFCC Antenna Structure Registration 1235543 — tower (type not specified) near Grayslake, 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 1235543 is a 48 m (156 ft) tower near Grayslake, Lake County, Illinois. Its registration status is constructed, with construction recorded on Aug 21, 2002. It is registered to STC Two LLC, which holds 938 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1235543 |
| Unique system identifier | 2633689 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Aug 21, 2002 |
| Registration issued | Jan 22, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 02-AGL-1207-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 0013810130
Holds 938 FCC structure registrations — view the full portfolio →
Location
- Address
- Elfering CH03XC372
- City
- Grayslake
- State
- Illinois
- ZIP
- 60030
- County
- Lake County
- County FIPS
- 17097
- Coordinates
- 42.30642, -88.06867
Within ~40 km
Nearby structures
Tower (type not specified) · Constructed
Structure type 2TOWER · Constructed
- Itasca, IL · 1013846212 m
Unspecified structure · Dismantled
Lattice tower · Constructed
- Elgin, IL · 1009079152 m
Tower (type not specified) · Constructed
Structure type 2TOWER · Constructed
How tall is structure 1235543 compared with others?
At 48 m, structure 1235543 is about 10% below the 53 m average across the 258 structures registered in Lake County. It is about 31% 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 38% below that figure.
The supporting structure itself measures 46 m; antennas and other appurtenances on top bring the overall height above ground to 48 m. The site's filed ground elevation is 243 m, which puts the top of the structure 290 m above mean sea level.
Where is structure 1235543, and what is registered around it?
The registration places the structure near Grayslake in Lake County, Illinois, at coordinates 42.30642, -88.06867, with the site address filed as "Elfering CH03XC372". 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 Elk Grove Village, IL · 1007548, a tower at 229 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 1235543 on Jan 22, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1235543?
The FCC record lists STC Two LLC of Bellevue, WA as the registered owner, under FCC Registration Number 0013810130. Across the registry it holds 938 structure registrations, the 30th-largest portfolio among the 7,865 owners with two or more, including 126 in Illinois. Its most common filed structure-type code is TOWER (670 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 02-AGL-1207-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 1235543?
Its registered overall height above ground is 48 m (156 ft), and 290 m (953 ft) above mean sea level.
Who owns tower 1235543?
The registered owner is STC Two LLC, which holds 938 FCC antenna structure registrations.
Where is antenna structure 1235543?
It is located near Grayslake, Lake County, Illinois at Elfering CH03XC372 (42.30642, -88.06867). Its status is constructed; it was constructed on Aug 21, 2002.
What type of structure is 1235543?
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 1235543, 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 1235543, Grayslake, Lake County, Illinois”, https://towercensus.com/towers/illinois/grayslake-1235543 (data as of October 13, 2026).