Monopole 1321388 — Sycamore, IL
ConstructedFCC Antenna Structure Registration 1321388 — monopole near Sycamore, Illinois. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1321388 is a 49 m (160 ft) monopole near Sycamore, DeKalb County, Illinois. Its registration status is constructed, with construction recorded on Feb 6, 2023. It is registered to NICOR GAS / AGL RESOURCES, which holds 22 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1321388 |
| Unique system identifier | 2721366 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Feb 6, 2023 |
| Registration issued | Jun 8, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2021-AGL-3147-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
Birmingham, AL · FRN 0002855773
Holds 22 FCC structure registrations — view the full portfolio →
Location
- Address
- 2820 Dosen Drive
- City
- Sycamore
- State
- Illinois
- ZIP
- 60115
- County
- DeKalb County
- County FIPS
- 17037
- Coordinates
- 41.95778, -88.71089
Within ~40 km
Nearby structures
Tower (type not specified) · Dismantled
Guyed tower · Constructed
- Elgin, IL · 1009079152 m
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
- Clare, IL · 1212561152 m
Tower (type not specified) · Canceled
Tower (type not specified) · Canceled
How tall is structure 1321388 compared with others?
At 49 m, structure 1321388 is about 25% below the 65 m average across the 90 structures registered in DeKalb County. It is about 29% below the Illinois average of 69 m across 7,110 registrations. Among the 24,638 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 16% above that figure.
The site's filed ground elevation is 272 m, which puts the top of the structure 321 m above mean sea level.
Where is structure 1321388, and what is registered around it?
The registration places the structure near Sycamore in DeKalb County, Illinois, at coordinates 41.95778, -88.71089, with the site address filed as "2820 Dosen Drive". DeKalb County has 90 FCC-registered antenna structures, the 17th-largest count among the 102 Illinois counties with registrations, and 62 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 Rochelle, IL · 1009197, a tower at 188 m (dismantled).
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 1321388 on Jun 8, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1321388?
The FCC record lists NICOR GAS / AGL RESOURCES of Birmingham, AL as the registered owner, under FCC Registration Number 0002855773. Across the registry it holds 22 structure registrations, including 22 in Illinois. Its most common filed structure-type code is TOWER (12 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2021-AGL-3147-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 1321388?
Its registered overall height above ground is 49 m (160 ft), and 321 m (1,052 ft) above mean sea level.
Who owns tower 1321388?
The registered owner is NICOR GAS / AGL RESOURCES, which holds 22 FCC antenna structure registrations.
Where is antenna structure 1321388?
It is located near Sycamore, DeKalb County, Illinois at 2820 Dosen Drive (41.95778, -88.71089). Its status is constructed; it was constructed on Feb 6, 2023.
What type of structure is 1321388?
It is filed with the FCC under structure-type code MTOWER, which decodes to "Monopole". Single-shaft steel pole, the standard modern cell-site structure. 24,638 registrations nationwide use the same code.
How many antenna structures are registered in DeKalb County, IL?
DeKalb County has 90 FCC-registered antenna structures, 62 of them constructed — the 17th-largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1321388, 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 1321388, Sycamore, DeKalb County, Illinois”, https://towercensus.com/towers/illinois/sycamore-1321388 (data as of October 13, 2026).