Monopole 1059537 — Crystal Lake, IL
ConstructedFCC Antenna Structure Registration 1059537 — monopole near Crystal Lake, Illinois. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1059537 is a 61 m (199 ft) monopole near Crystal Lake, McHenry County, Illinois. Its registration status is constructed, with construction recorded on May 4, 1998. It is registered to American Towers LLC, which holds 21,809 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1059537 |
| Unique system identifier | 619645 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | May 4, 1998 |
| Registration issued | Aug 6, 2024 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2023-AGL-7528-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
Woburn, MA · FRN 0011498342
Holds 21,809 FCC structure registrations — view the full portfolio →
Location
- Address
- 5210 SOUTH ROUTE 31 (Numdda Park, IL # 304377)
- City
- Crystal Lake
- State
- Illinois
- ZIP
- 60012
- County
- McHenry County
- County FIPS
- 17111
- Coordinates
- 42.25389, -88.28583
Within ~40 km
Nearby structures
Tower (type not specified) · Constructed
Structure type 2TOWER · Constructed
- Itasca, IL · 1013846212 m
Unspecified structure · Dismantled
- Elgin, IL · 1009079152 m
Tower (type not specified) · Constructed
Structure type 2TOWER · Constructed
Tower (type not specified) · Constructed
How tall is structure 1059537 compared with others?
At 61 m, structure 1059537 is roughly in line with the 59 m average across the 190 structures registered in McHenry County. It is about 12% 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 45% above that figure.
The supporting structure itself measures 52 m; antennas and other appurtenances on top bring the overall height above ground to 61 m. The site's filed ground elevation is 274 m, which puts the top of the structure 335 m above mean sea level.
Where is structure 1059537, and what is registered around it?
The registration places the structure near Crystal Lake in McHenry County, Illinois, at coordinates 42.25389, -88.28583, with the site address filed as "5210 SOUTH ROUTE 31 (Numdda Park, IL # 304377)". McHenry County has 190 FCC-registered antenna structures, the 5th-largest count among the 102 Illinois counties with registrations, and 124 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 1059537 on Aug 6, 2024. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1059537?
The FCC record lists American Towers LLC of Woburn, MA as the registered owner, under FCC Registration Number 0011498342. 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 2023-AGL-7528-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 1059537?
Its registered overall height above ground is 61 m (199 ft), and 335 m (1,099 ft) above mean sea level.
Who owns tower 1059537?
The registered owner is American Towers LLC, which holds 21,809 FCC antenna structure registrations.
Where is antenna structure 1059537?
It is located near Crystal Lake, McHenry County, Illinois at 5210 SOUTH ROUTE 31 (Numdda Park, IL # 304377) (42.25389, -88.28583). Its status is constructed; it was constructed on May 4, 1998.
What type of structure is 1059537?
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 McHenry County, IL?
McHenry County has 190 FCC-registered antenna structures, 124 of them constructed — the 5th-largest count among 102 counties in Illinois.
Related pages
Working with towers? Pro adds alerts, change history and CSV export ($39/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
Dataset updated . Source: FCC Antenna Structure Registration 1059537, 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 1059537, Crystal Lake, McHenry County, Illinois”, https://towercensus.com/towers/illinois/crystal-lake-1059537 (data as of October 13, 2026).