Monopole 1247452 — Defiance, MO
ConstructedFCC Antenna Structure Registration 1247452 — monopole near Defiance, Missouri. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1247452 is a 35 m (115 ft) monopole near Defiance, St. Charles County, Missouri. Its registration status is constructed, with construction recorded on Jun 8, 2005. It is registered to SBA Towers II LLC, which holds 2,321 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1247452 |
| Unique system identifier | 2646616 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Jun 8, 2005 |
| Registration issued | Apr 10, 2026 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2026-ACE-236-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 0015709579
Holds 2,321 FCC structure registrations — view the full portfolio →
Location
- Address
- 3666 Hwy D (MO11811-A)
- City
- Defiance
- State
- Missouri
- ZIP
- 63341
- County
- St. Charles County
- County FIPS
- 29183
- Coordinates
- 38.69378, -90.80189
Within ~40 km
Nearby structures
Tower (type not specified) · Granted (not yet constructed)
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Guyed tower · Constructed
Tower (type not specified) · Dismantled
How tall is structure 1247452 compared with others?
At 35 m, structure 1247452 is about 32% below the 52 m average across the 184 structures registered in St. Charles County. It is about half of the Missouri average of 77 m across 6,026 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% below that figure.
The site's filed ground elevation is 227 m, which puts the top of the structure 262 m above mean sea level.
Where is structure 1247452, and what is registered around it?
The registration places the structure near Defiance in St. Charles County, Missouri, at coordinates 38.69378, -90.80189, with the site address filed as "3666 Hwy D (MO11811-A)". St. Charles County has 184 FCC-registered antenna structures, the 3rd-largest count among the 115 Missouri counties with registrations, and 136 of them are marked constructed. Missouri as a whole has 6,026 registrations, the 10th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Imperial, MO · 1059336, a tower at 320 m (granted (not yet 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 1247452 on Apr 10, 2026. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 4,532 in Missouri.
Who owns antenna structure 1247452?
The FCC record lists SBA Towers II LLC of Boca Raton, FL as the registered owner, under FCC Registration Number 0015709579. Across the registry it holds 2,321 structure registrations, the 8th-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is TOWER (867 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2026-ACE-236-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 1247452?
Its registered overall height above ground is 35 m (115 ft), and 262 m (858 ft) above mean sea level.
Who owns tower 1247452?
The registered owner is SBA Towers II LLC, which holds 2,321 FCC antenna structure registrations.
Where is antenna structure 1247452?
It is located near Defiance, St. Charles County, Missouri at 3666 Hwy D (MO11811-A) (38.69378, -90.80189). Its status is constructed; it was constructed on Jun 8, 2005.
What type of structure is 1247452?
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 St. Charles County, MO?
St. Charles County has 184 FCC-registered antenna structures, 136 of them constructed — the 3rd-largest count among 115 counties in Missouri.
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 1247452, 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 1247452, Defiance, St. Charles County, Missouri”, https://towercensus.com/towers/missouri/defiance-1247452 (data as of October 13, 2026).