TowerCensus

Monopole 1299103 — Spencer, IA

Constructed

FCC Antenna Structure Registration 1299103 — monopole near Spencer, Iowa. Single-shaft steel pole, the standard modern cell-site structure.

At a glance

FCC Antenna Structure Registration 1299103 is a 41 m (133 ft) monopole near Spencer, Clay County, Iowa. Its registration status is constructed, with construction recorded on Sep 20, 2016. It is registered to ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC structure registrations.

Overall height
41 m
133 ft
Support structure
38 m
Top above sea level
444 m
Ground elevation
404 m
◆ Loading map…
≥ 150 m60–150 m30–60 m< 30 m
This entry + 6 nearby

Registration record

FCC record

FieldValue
Registration number (ASRN)1299103
Unique system identifier2698622
StatusConstructed (C)
Structure typeMonopole (MTOWER)
Date constructedSep 20, 2016
Registration issuedSep 12, 2025

Aviation safety

FAA & lighting

FieldValue
FAA study number2023-ACE-2977-OE
FAA circular—
Painting / lighting specNONE
Marking / lighting codeNone (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

ARRAY DIGITAL INFRASTRUCTURE, INC.

Chicago, IL · FRN 0004372322

Holds 4,591 FCC structure registrations — view the full portfolio →

Location

Address
1007 W 18th St
City
Spencer
State
Iowa
ZIP
51301
County FIPS
19041
Coordinates
43.15611, -95.15908

Within ~40 km

Nearby structures

How tall is structure 1299103 compared with others?

At 41 m, structure 1299103 is about half of the 87 m average across the 29 structures registered in Clay County. It is about half of the Iowa average of 79 m across 4,131 registrations. Among the 24,665 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is roughly in line with that figure.

The supporting structure itself measures 38 m; antennas and other appurtenances on top bring the overall height above ground to 41 m. The site's filed ground elevation is 404 m, which puts the top of the structure 444 m above mean sea level.

Where is structure 1299103, and what is registered around it?

The registration places the structure near Spencer in Clay County, Iowa, at coordinates 43.15611, -95.15908, with the site address filed as "1007 W 18th St". Clay County has 29 FCC-registered antenna structures, the 64th-largest count among the 99 Iowa counties with registrations, and 25 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 Spirit Lake, IA · 1015250, a tower at 166 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 1299103 on Sep 12, 2025. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 3,266 in Iowa.

Who owns antenna structure 1299103?

The FCC record lists ARRAY DIGITAL INFRASTRUCTURE, INC. of Chicago, IL as the registered owner, under FCC Registration Number 0004372322. Across the registry it holds 4,591 structure registrations, the 4th-largest portfolio among the 7,865 owners with two or more, including 678 in Iowa. Its most common filed structure-type code is LTOWER (2,087 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2023-ACE-2977-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 1299103?

Its registered overall height above ground is 41 m (133 ft), and 444 m (1,458 ft) above mean sea level.

Who owns tower 1299103?

The registered owner is ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC antenna structure registrations.

Where is antenna structure 1299103?

It is located near Spencer, Clay County, Iowa at 1007 W 18th St (43.15611, -95.15908). Its status is constructed; it was constructed on Sep 20, 2016.

What type of structure is 1299103?

It is filed with the FCC under structure-type code MTOWER, which decodes to "Monopole". Single-shaft steel pole, the standard modern cell-site structure. 24,665 registrations nationwide use the same code.

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

Clay County has 29 FCC-registered antenna structures, 25 of them constructed — the 64th-largest count among 99 counties in Iowa.

Related pages

Working with towers? Pro adds alerts, change history and CSV export ($39/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

Dataset updated . Source: FCC Antenna Structure Registration 1299103, 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 1299103, Spencer, Clay County, Iowa”, https://towercensus.com/towers/iowa/spencer-1299103 (data as of October 20, 2026).