Mast 1236129 — Freeport, IL
CanceledFCC Antenna Structure Registration 1236129 — mast near Freeport, Illinois. Slender vertical mast structure.
At a glance
FCC Antenna Structure Registration 1236129 is a 52 m (172 ft) mast near Freeport, Stephenson County, Illinois. Its registration status is canceled. It is registered to American Towers, Inc., which holds 21,809 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1236129 |
| Unique system identifier | 2634278 |
| Status | Canceled (A) |
| Structure type | Mast (MAST) |
| Date constructed | — |
| Registration issued | Dec 11, 2002 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2002-AGL-3494-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
Schaumburg, IL · FRN 0005885231
Holds 21,809 FCC structure registrations — view the full portfolio →
Location
- Address
- 4151 US-20 East (Riddott# 221954)
- City
- Freeport
- State
- Illinois
- ZIP
- 61032
- County
- Stephenson County
- County FIPS
- 17177
- Coordinates
- 42.26736, -89.52342
Within ~40 km
Nearby structures
- Chana, IL · 1233686218 m
Unspecified structure · Canceled
Tower (type not specified) · Constructed
Guyed tower · Constructed
- Chana, IL · 1245471209 m
Tower (type not specified) · Constructed
Guyed tower · Constructed
Guyed tower · Constructed
How tall is structure 1236129 compared with others?
At 52 m, structure 1236129 is about 28% below the 73 m average across the 50 structures registered in Stephenson County. It is about 24% below 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 roughly in line with that figure.
The supporting structure itself measures 50 m; antennas and other appurtenances on top bring the overall height above ground to 52 m. The site's filed ground elevation is 249 m, which puts the top of the structure 302 m above mean sea level.
Where is structure 1236129, and what is registered around it?
The registration places the structure near Freeport in Stephenson County, Illinois, at coordinates 42.26736, -89.52342, with the site address filed as "4151 US-20 East (Riddott# 221954)". Stephenson County has 50 FCC-registered antenna structures, the 47th-largest count among the 102 Illinois counties with registrations, and 39 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 Chana, IL · 1233686, a structure at 218 m (canceled).
What does the status "Canceled" mean?
Canceled means the registration is no longer active in the FCC registry; the record is kept here as part of the registry's history. The FCC issued registration 1236129 on Dec 11, 2002. Nationally, 15,896 of the 197,770 registrations (8%) carry the canceled status, including 582 in Illinois.
Who owns antenna structure 1236129?
The FCC record lists American Towers, Inc. of Schaumburg, IL as the registered owner, under FCC Registration Number 0005885231. Across the registry it holds 21,809 structure registrations, the largest portfolio among the 7,865 owners with two or more, including 881 in Illinois. Its most common filed structure-type code is LTOWER (5,885 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2002-AGL-3494-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 1236129?
Its registered overall height above ground is 52 m (172 ft), and 302 m (990 ft) above mean sea level.
Who owns tower 1236129?
The registered owner is American Towers, Inc., which holds 21,809 FCC antenna structure registrations.
Where is antenna structure 1236129?
It is located near Freeport, Stephenson County, Illinois at 4151 US-20 East (Riddott# 221954) (42.26736, -89.52342). Its status is canceled.
What type of structure is 1236129?
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 Stephenson County, IL?
Stephenson County has 50 FCC-registered antenna structures, 39 of them constructed — the 47th-largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1236129, 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 1236129, Freeport, Stephenson County, Illinois”, https://towercensus.com/towers/illinois/freeport-1236129 (data as of October 13, 2026).