TowerCensus

Guyed tower 1255669 — Grinnell, IA

Constructed

FCC Antenna Structure Registration 1255669 — guyed tower near Grinnell, Iowa. Tower or mast held upright by tensioned guy wires anchored in the ground around its base.

At a glance

FCC Antenna Structure Registration 1255669 is a 95 m (310 ft) guyed tower near Grinnell, Poweshiek County, Iowa. Its registration status is constructed, with construction recorded on Aug 24, 2007. It is registered to INTERSTATE POWER AND LIGHT COMPANY, which holds 93 FCC structure registrations.

Overall height
95 m
310 ft
Support structure
91 m
Top above sea level
401 m
Ground elevation
306 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)1255669
Unique system identifier2654834
StatusConstructed (C)
Structure typeGuyed tower (GTOWER)
Date constructedAug 24, 2007
Registration issuedDec 8, 2020

Aviation safety

FAA & lighting

FieldValue
FAA study number2020-ACE-7523-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

INTERSTATE POWER AND LIGHT COMPANY

Cedar Rapids, IA · FRN 0002595379

Holds 93 FCC structure registrations — view the full portfolio →

Location

Address
3426 Hwy 146 North
City
Grinnell
State
Iowa
ZIP
50112
County FIPS
19157
Coordinates
41.80089, -92.72872

Within ~40 km

Nearby structures

How tall is structure 1255669 compared with others?

At 95 m, structure 1255669 is about 23% above the 77 m average across the 48 structures registered in Poweshiek County. It is about 20% above the Iowa average of 79 m across 4,130 registrations. Among the 20,277 registrations nationwide filed under the same structure-type code (GTOWER), the average overall height is 107 m, so this one is about 11% below that figure.

The supporting structure itself measures 91 m; antennas and other appurtenances on top bring the overall height above ground to 95 m. The site's filed ground elevation is 306 m, which puts the top of the structure 401 m above mean sea level.

Where is structure 1255669, and what is registered around it?

The registration places the structure near Grinnell in Poweshiek County, Iowa, at coordinates 41.80089, -92.72872, with the site address filed as "3426 Hwy 146 North". Poweshiek County has 48 FCC-registered antenna structures, the 24th-largest count among the 99 Iowa counties with registrations, and 42 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 Marshalltown, IA · 1017839, a guyed tower at 198 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 1255669 on Dec 8, 2020. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 3,267 in Iowa.

Who owns antenna structure 1255669?

The FCC record lists INTERSTATE POWER AND LIGHT COMPANY of Cedar Rapids, IA as the registered owner, under FCC Registration Number 0002595379. Across the registry it holds 93 structure registrations, the 210th-largest portfolio among the 7,865 owners with two or more, including 84 in Iowa. Its most common filed structure-type code is LTOWER (37 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2020-ACE-7523-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 1255669?

Its registered overall height above ground is 95 m (310 ft), and 401 m (1,315 ft) above mean sea level.

Who owns tower 1255669?

The registered owner is INTERSTATE POWER AND LIGHT COMPANY, which holds 93 FCC antenna structure registrations.

Where is antenna structure 1255669?

It is located near Grinnell, Poweshiek County, Iowa at 3426 Hwy 146 North (41.80089, -92.72872). Its status is constructed; it was constructed on Aug 24, 2007.

What type of structure is 1255669?

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. 20,277 registrations nationwide use the same code.

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

Poweshiek County has 48 FCC-registered antenna structures, 42 of them constructed — the 24th-largest count among 99 counties in Iowa.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1255669, 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 1255669, Grinnell, Poweshiek County, Iowa”, https://towercensus.com/towers/iowa/grinnell-1255669 (data as of October 13, 2026).