Mast 1247775 — Lockport, IL
ConstructedFCC Antenna Structure Registration 1247775 — mast near Lockport, Illinois. Slender vertical mast structure.
At a glance
FCC Antenna Structure Registration 1247775 is a 32 m (105 ft) mast near Lockport, Will County, Illinois. Its registration status is constructed, with construction recorded on Mar 30, 2005. It is registered to SBC TOWER HOLDINGS LLC, which holds 503 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1247775 |
| Unique system identifier | 2646939 |
| Status | Constructed (C) |
| Structure type | Mast (MAST) |
| Date constructed | Mar 30, 2005 |
| Registration issued | Sep 30, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2005-AGL-707-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
Plano, TX · FRN 0004334249
Holds 503 FCC structure registrations — view the full portfolio →
Location
- Address
- 20560 West Airport Road
- City
- Lockport
- State
- Illinois
- ZIP
- 60441
- County
- Will County
- County FIPS
- 17197
- Coordinates
- 41.61069, -88.11739
Within ~40 km
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How tall is structure 1247775 compared with others?
At 32 m, structure 1247775 is about half of the 61 m average across the 331 structures registered in Will County. It is about half of the Illinois average of 69 m across 7,110 registrations. Among the 3,482 registrations nationwide filed under the same structure-type code (MAST), the average overall height is 53 m, so this one is about 40% below that figure.
The site's filed ground elevation is 197 m, which puts the top of the structure 229 m above mean sea level.
Where is structure 1247775, and what is registered around it?
The registration places the structure near Lockport in Will County, Illinois, at coordinates 41.61069, -88.11739, with the site address filed as "20560 West Airport Road". Will County has 331 FCC-registered antenna structures, the 2nd-largest count among the 102 Illinois counties with registrations, and 230 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 Bloomingdale, IL · 1013848, a 2tower at 228 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 1247775 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 1247775?
The FCC record lists SBC TOWER HOLDINGS LLC of Plano, TX as the registered owner, under FCC Registration Number 0004334249. Across the registry it holds 503 structure registrations, the 50th-largest portfolio among the 7,865 owners with two or more, including 59 in Illinois. Its most common filed structure-type code is POLE (185 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2005-AGL-707-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 1247775?
Its registered overall height above ground is 32 m (105 ft), and 229 m (750 ft) above mean sea level.
Who owns tower 1247775?
The registered owner is SBC TOWER HOLDINGS LLC, which holds 503 FCC antenna structure registrations.
Where is antenna structure 1247775?
It is located near Lockport, Will County, Illinois at 20560 West Airport Road (41.61069, -88.11739). Its status is constructed; it was constructed on Mar 30, 2005.
What type of structure is 1247775?
It is filed with the FCC under structure-type code MAST, which decodes to "Mast". Slender vertical mast structure. 3,482 registrations nationwide use the same code.
How many antenna structures are registered in Will County, IL?
Will County has 331 FCC-registered antenna structures, 230 of them constructed — the 2nd-largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1247775, 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 1247775, Lockport, Will County, Illinois”, https://towercensus.com/towers/illinois/lockport-1247775 (data as of October 13, 2026).