TowerCensus

Tower 1246905 — Steamboat Rock, IA

Constructed

FCC Antenna Structure Registration 1246905 — tower (type not specified) near Steamboat Rock, 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 1246905 is a 128 m (420 ft) tower near Steamboat Rock, Grundy County, Iowa. Its registration status is constructed, with construction recorded on May 25, 2005. It is registered to SBA Structures, LLC, which holds 1,611 FCC structure registrations.

Overall height
128 m
420 ft
Support structure
122 m
Top above sea level
461 m
Ground elevation
333 m
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≥ 150 m60–150 m30–60 m< 30 m
This entry + 6 nearby

Registration record

FCC record

FieldValue
Registration number (ASRN)1246905
Unique system identifier2646069
StatusConstructed (C)
Structure typeTower (type not specified) (TOWER)
Date constructedMay 25, 2005
Registration issuedApr 26, 2013

Aviation safety

FAA & lighting

FieldValue
FAA study number2004-ACE-2337-OE
FAA circular70/7460-1K
Painting / lighting spec4, 8, 12
Marking / lighting codeFAA Style E (7)

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

SBA Structures, LLC

Boca Raton, FL · FRN 0015721665

Holds 1,611 FCC structure registrations — view the full portfolio →

Location

Address
17980 B Avenue
City
Steamboat Rock
State
Iowa
ZIP
50680
County FIPS
19075
Coordinates
42.44161, -93.00122

Within ~40 km

Nearby structures

How tall is structure 1246905 compared with others?

At 128 m, structure 1246905 is about 45% above the 88 m average across the 21 structures registered in Grundy County. It is about 63% above the Iowa average of 79 m across 4,131 registrations. Among the 75,198 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about 68% above that figure.

The supporting structure itself measures 122 m; antennas and other appurtenances on top bring the overall height above ground to 128 m. The site's filed ground elevation is 333 m, which puts the top of the structure 461 m above mean sea level.

Where is structure 1246905, and what is registered around it?

The registration places the structure near Steamboat Rock in Grundy County, Iowa, at coordinates 42.44161, -93.00122, with the site address filed as "17980 B Avenue". Grundy County has 21 FCC-registered antenna structures, the 87th-largest count among the 99 Iowa counties with registrations, and 19 of them are marked constructed. Iowa as a whole has 4,131 registrations, the 20th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Owasa, IA · 1016871, a 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 1246905 on Apr 26, 2013. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 3,266 in Iowa.

Who owns antenna structure 1246905?

The FCC record lists SBA Structures, LLC of Boca Raton, FL as the registered owner, under FCC Registration Number 0015721665. Across the registry it holds 1,611 structure registrations, the 18th-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is TOWER (607 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2004-ACE-2337-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 7, is listed on the FCC registration form as "FAA Style E". The painting and lighting specification on file cites FAA chapters 4, 8, 12.

Frequently asked questions

How tall is antenna structure 1246905?

Its registered overall height above ground is 128 m (420 ft), and 461 m (1,513 ft) above mean sea level.

Who owns tower 1246905?

The registered owner is SBA Structures, LLC, which holds 1,611 FCC antenna structure registrations.

Where is antenna structure 1246905?

It is located near Steamboat Rock, Grundy County, Iowa at 17980 B Avenue (42.44161, -93.00122). Its status is constructed; it was constructed on May 25, 2005.

What type of structure is 1246905?

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. 75,198 registrations nationwide use the same code.

How many antenna structures are registered in Grundy County, IA?

Grundy County has 21 FCC-registered antenna structures, 19 of them constructed — the 87th-largest count among 99 counties in Iowa.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1246905, weekly bulk file.

About this data

Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.

Cite as: TowerCensus, “Antenna structure 1246905, Steamboat Rock, Grundy County, Iowa”, https://towercensus.com/towers/iowa/steamboat-rock-1246905 (data as of October 20, 2026).