Guyed tower 1018658 — Sheldon, IA
ConstructedFCC Antenna Structure Registration 1018658 — guyed tower near Sheldon, Iowa. Tower or mast held upright by tensioned guy wires anchored in the ground around its base.
At a glance
FCC Antenna Structure Registration 1018658 is a 107 m (350 ft) guyed tower near Sheldon, Sioux County, Iowa. Its registration status is constructed, with construction recorded on Jun 8, 2018. It is registered to SHELDON BROADCASTING CO INC DBA RADIO STATION KIWA.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1018658 |
| Unique system identifier | 121021 |
| Status | Constructed (C) |
| Structure type | Guyed tower (GTOWER) |
| Date constructed | Jun 8, 2018 |
| Registration issued | Jun 8, 2018 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2018-ACE-1934-OE |
| FAA circular | 70/7460-1L |
| 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
SHELDON BROADCASTING CO INC DBA RADIO STATION KIWA
Sheldon, IA · FRN 0003752649
Location
- Address
- W OF WESTERN AVE & 10TH ST SW CORNER OF CITY
- City
- Sheldon
- State
- Iowa
- ZIP
- 51201
- County
- Sioux County
- County FIPS
- 19167
- Coordinates
- 43.18139, -95.86592
Within ~40 km
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How tall is structure 1018658 compared with others?
At 107 m, structure 1018658 is about 36% above the 79 m average across the 42 structures registered in Sioux County. It is about 36% above the Iowa average of 79 m across 4,130 registrations. Among the 20,259 registrations nationwide filed under the same structure-type code (GTOWER), the average overall height is 107 m, so this one is roughly in line with that figure.
The site's filed ground elevation is 421 m, which puts the top of the structure 527 m above mean sea level.
Where is structure 1018658, and what is registered around it?
The registration places the structure near Sheldon in Sioux County, Iowa, at coordinates 43.18139, -95.86592, with the site address filed as "W OF WESTERN AVE & 10TH ST SW CORNER OF CITY". Sioux County has 42 FCC-registered antenna structures, the 34th-largest count among the 99 Iowa counties with registrations, and 32 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 Sioux Center, IA · 1029812, a guyed tower at 152 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 1018658 on Jun 8, 2018. Nationally, 141,861 of the 197,703 registrations (71.8%) carry the constructed status, including 3,269 in Iowa.
Who owns antenna structure 1018658?
The FCC record lists SHELDON BROADCASTING CO INC DBA RADIO STATION KIWA of Sheldon, IA as the registered owner, under FCC Registration Number 0003752649.
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2018-ACE-1934-OE and FAA Advisory Circular 70/7460-1L, 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 1018658?
Its registered overall height above ground is 107 m (350 ft), and 527 m (1,730 ft) above mean sea level.
Who owns tower 1018658?
The registered owner is SHELDON BROADCASTING CO INC DBA RADIO STATION KIWA.
Where is antenna structure 1018658?
It is located near Sheldon, Sioux County, Iowa at W OF WESTERN AVE & 10TH ST SW CORNER OF CITY (43.18139, -95.86592). Its status is constructed; it was constructed on Jun 8, 2018.
What type of structure is 1018658?
It is filed with the FCC under structure-type code GTOWER, which decodes to "Guyed tower". Tower or mast held upright by tensioned guy wires anchored in the ground around its base. 20,259 registrations nationwide use the same code.
How many antenna structures are registered in Sioux County, IA?
Sioux County has 42 FCC-registered antenna structures, 32 of them constructed — the 34th-largest count among 99 counties in Iowa.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1018658, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 6, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1018658, Sheldon, Sioux County, Iowa”, https://towercensus.com/towers/iowa/sheldon-1018658 (data as of October 6, 2026).