Tower 1237621 — Greenfield, IA
ConstructedFCC Antenna Structure Registration 1237621 — tower (type not specified) near Greenfield, 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 1237621 is a 34 m (110 ft) tower near Greenfield, Adair County, Iowa. Its registration status is constructed, with construction recorded on Jun 24, 2003. It is registered to IOWA DEPARTMENT OF TRANSPORTATION, which holds 68 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1237621 |
| Unique system identifier | 2635814 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Jun 24, 2003 |
| Registration issued | Feb 5, 2003 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2003-ACE-2-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
IOWA DEPARTMENT OF TRANSPORTATION
Ames, IA · FRN 0002567733
Holds 68 FCC structure registrations — view the full portfolio →
Location
- Address
- HIGHWAY 92 EAST PO BOX 356
- City
- Greenfield
- State
- Iowa
- ZIP
- 50849
- County
- Adair County
- County FIPS
- 19001
- Coordinates
- 41.30250, -94.44056
Within ~40 km
Nearby structures
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Guyed tower · Granted (not yet constructed)
Tower (type not specified) · Constructed
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- Anita, IA · 1017257152 m
Guyed tower · Constructed
- Afton, IA · 1283354151 m
Tower (type not specified) · Constructed
How tall is structure 1237621 compared with others?
At 34 m, structure 1237621 is about 39% of the 85 m average across the 32 structures registered in Adair County. It is about 43% of 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 44% of that figure.
The site's filed ground elevation is 406 m, which puts the top of the structure 439 m above mean sea level.
Where is structure 1237621, and what is registered around it?
The registration places the structure near Greenfield in Adair County, Iowa, at coordinates 41.30250, -94.44056, with the site address filed as "HIGHWAY 92 EAST PO BOX 356". Adair County has 32 FCC-registered antenna structures, the 54th-largest count among the 99 Iowa counties with registrations, and 25 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 Lorimar, IA · 1311217, a guyed tower at 303 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 1237621 on Feb 5, 2003. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 3,267 in Iowa.
Who owns antenna structure 1237621?
The FCC record lists IOWA DEPARTMENT OF TRANSPORTATION of Ames, IA as the registered owner, under FCC Registration Number 0002567733. Across the registry it holds 68 structure registrations, the 279th-largest portfolio among the 7,865 owners with two or more, including 68 in Iowa. Its most common filed structure-type code is TOWER (61 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2003-ACE-2-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 1237621?
Its registered overall height above ground is 34 m (110 ft), and 439 m (1,442 ft) above mean sea level.
Who owns tower 1237621?
The registered owner is IOWA DEPARTMENT OF TRANSPORTATION, which holds 68 FCC antenna structure registrations.
Where is antenna structure 1237621?
It is located near Greenfield, Adair County, Iowa at HIGHWAY 92 EAST PO BOX 356 (41.30250, -94.44056). Its status is constructed; it was constructed on Jun 24, 2003.
What type of structure is 1237621?
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 Adair County, IA?
Adair County has 32 FCC-registered antenna structures, 25 of them constructed — the 54th-largest count among 99 counties in Iowa.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1237621, 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 1237621, Greenfield, Adair County, Iowa”, https://towercensus.com/towers/iowa/greenfield-1237621 (data as of October 13, 2026).