Tower 1258067 — Wonderlake, IL
ConstructedFCC Antenna Structure Registration 1258067 — tower (type not specified) near Wonderlake, 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 1258067 is a 38 m (126 ft) tower near Wonderlake, McHenry County, Illinois. Its registration status is constructed, with construction recorded on Apr 30, 2008. It is registered to SBA Monarch Towers III, LLC, which holds 843 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1258067 |
| Unique system identifier | 2657233 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Apr 30, 2008 |
| Registration issued | Mar 13, 2020 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2007-AGL-334-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
Boca Raton, FL · FRN 0022722425
Holds 843 FCC structure registrations — view the full portfolio →
Location
- Address
- 6900 Greenwood Avenue (CH56321A)
- City
- Wonderlake
- State
- Illinois
- ZIP
- 60097
- County
- McHenry County
- County FIPS
- 17111
- Coordinates
- 42.42694, -88.37494
Within ~40 km
Nearby structures
Unspecified structure · Constructed
Guyed tower · Constructed
Structure type 2TOWER · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Lattice tower · Constructed
How tall is structure 1258067 compared with others?
At 38 m, structure 1258067 is about 34% below the 59 m average across the 190 structures registered in McHenry County. It is about 44% 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 half of that figure.
The site's filed ground elevation is 281 m, which puts the top of the structure 319 m above mean sea level.
Where is structure 1258067, and what is registered around it?
The registration places the structure near Wonderlake in McHenry County, Illinois, at coordinates 42.42694, -88.37494, with the site address filed as "6900 Greenwood Avenue (CH56321A)". 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 Racine County, WI · 1036636, a structure at 154 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 1258067 on Mar 13, 2020. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1258067?
The FCC record lists SBA Monarch Towers III, LLC of Boca Raton, FL as the registered owner, under FCC Registration Number 0022722425. Across the registry it holds 843 structure registrations, the 33rd-largest portfolio among the 7,865 owners with two or more, including 49 in Illinois. Its most common filed structure-type code is TOWER (308 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2007-AGL-334-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 1258067?
Its registered overall height above ground is 38 m (126 ft), and 319 m (1,047 ft) above mean sea level.
Who owns tower 1258067?
The registered owner is SBA Monarch Towers III, LLC, which holds 843 FCC antenna structure registrations.
Where is antenna structure 1258067?
It is located near Wonderlake, McHenry County, Illinois at 6900 Greenwood Avenue (CH56321A) (42.42694, -88.37494). Its status is constructed; it was constructed on Apr 30, 2008.
What type of structure is 1258067?
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 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
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Dataset updated . Source: FCC Antenna Structure Registration 1258067, 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 1258067, Wonderlake, McHenry County, Illinois”, https://towercensus.com/towers/illinois/wonderlake-1258067 (data as of October 13, 2026).