Tower 1230517 — Knoxville, IA
ConstructedFCC Antenna Structure Registration 1230517 — tower (type not specified) near Knoxville, Iowa. 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 1230517 is a 90 m (295 ft) tower near Knoxville, Marion County, Iowa. Its registration status is constructed, with construction recorded on Nov 1, 1961. It is registered to US Army Corp of Engineers, Rock Island District, Lake Red Rock Office.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1230517 |
| Unique system identifier | 2628506 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Nov 1, 1961 |
| Registration issued | Nov 1, 2001 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 01-ACE-2221-OE |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 3, 4, 5, 12 |
| Marking / lighting code | FAA Style A (9) |
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
US Army Corp of Engineers, Rock Island District, Lake Red Rock Office
Knoxville, IA · FRN 0006141840
Location
- Address
- East of bldg at 1105 Hwy T15
- City
- Knoxville
- State
- Iowa
- ZIP
- 50138
- County
- Marion County
- County FIPS
- 19125
- Coordinates
- 41.36619, -92.98928
Within ~40 km
Nearby structures
Tower (type not specified) · Granted (not yet constructed)
Tower (type not specified) · Dismantled
Guyed tower · Granted (not yet constructed)
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Guyed tower · Constructed
How tall is structure 1230517 compared with others?
At 90 m, structure 1230517 is about 33% above the 68 m average across the 45 structures registered in Marion County. It is about 15% above the Iowa average of 79 m across 4,130 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 18% above that figure.
The site's filed ground elevation is 250 m, which puts the top of the structure 340 m above mean sea level.
Where is structure 1230517, and what is registered around it?
The registration places the structure near Knoxville in Marion County, Iowa, at coordinates 41.36619, -92.98928, with the site address filed as "East of bldg at 1105 Hwy T15". Marion County has 45 FCC-registered antenna structures, the 27th-largest count among the 99 Iowa counties with registrations, and 37 of them are marked constructed. Iowa as a whole has 4,130 registrations, the 20th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Melrose, IA · 1256148, a tower at 458 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 1230517 on Nov 1, 2001. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 3,267 in Iowa.
Who owns antenna structure 1230517?
The FCC record lists US Army Corp of Engineers, Rock Island District, Lake Red Rock Office of Knoxville, IA as the registered owner, under FCC Registration Number 0006141840.
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 01-ACE-2221-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 9, is listed on the FCC registration form as "FAA Style A". The painting and lighting specification on file cites FAA chapters 3, 4, 5, 12.
Frequently asked questions
How tall is antenna structure 1230517?
Its registered overall height above ground is 90 m (295 ft), and 340 m (1,115 ft) above mean sea level.
Who owns tower 1230517?
The registered owner is US Army Corp of Engineers, Rock Island District, Lake Red Rock Office.
Where is antenna structure 1230517?
It is located near Knoxville, Marion County, Iowa at East of bldg at 1105 Hwy T15 (41.36619, -92.98928). Its status is constructed; it was constructed on Nov 1, 1961.
What type of structure is 1230517?
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 Marion County, IA?
Marion County has 45 FCC-registered antenna structures, 37 of them constructed — the 27th-largest count among 99 counties in Iowa.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1230517, 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 1230517, Knoxville, Marion County, Iowa”, https://towercensus.com/towers/iowa/knoxville-1230517 (data as of October 13, 2026).