TowerCensus

Tower 1000024 — Riley Center, MI

Constructed

FCC Antenna Structure Registration 1000024 — tower (type not specified) near Riley Center, Michigan. 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 1000024 is a 98 m (320 ft) tower near Riley Center, St. Clair County, Michigan. Its registration status is constructed, with construction recorded on Oct 26, 1973. It is registered to SEMCO Energy, Inc, which holds 2 FCC structure registrations.

Overall height
98 m
320 ft
Support structure
91 m
Top above sea level
338 m
Ground elevation
241 m
◆ Loading map…
≥ 150 m60–150 m30–60 m< 30 m
This entry + 6 nearby

Registration record

FCC record

FieldValue
Registration number (ASRN)1000024
Unique system identifier106801
StatusConstructed (C)
Structure typeTower (type not specified) (TOWER)
Date constructedOct 26, 1973
Registration issuedFeb 14, 2013

Aviation safety

FAA & lighting

FieldValue
FAA study number73-GL-393-OE
FAA circular—
Painting / lighting spec1, 3, 12, 21
Marking / lighting codeFAA 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

SEMCO Energy, Inc

Port Huron, MI · FRN 0002772945

Holds 2 FCC structure registrations — view the full portfolio →

Location

Address
.5 MI W BELLE RIVER RD ON S SIDE OF MASTERS RD
City
Riley Center
ZIP
48041
County FIPS
26147
Coordinates
42.93917, -82.84972

Within ~40 km

Nearby structures

How tall is structure 1000024 compared with others?

At 98 m, structure 1000024 is about 43% above the 68 m average across the 118 structures registered in St. Clair County. It is about 31% above the Michigan average of 74 m across 6,225 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 28% above that figure.

The supporting structure itself measures 91 m; antennas and other appurtenances on top bring the overall height above ground to 98 m. The site's filed ground elevation is 241 m, which puts the top of the structure 338 m above mean sea level.

Where is structure 1000024, and what is registered around it?

The registration places the structure near Riley Center in St. Clair County, Michigan, at coordinates 42.93917, -82.84972, with the site address filed as ".5 MI W BELLE RIVER RD ON S SIDE OF MASTERS RD". St. Clair County has 118 FCC-registered antenna structures, the 16th-largest count among the 83 Michigan counties with registrations, and 79 of them are marked constructed. Michigan as a whole has 6,225 registrations, the 7th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is Mount Clemens, MI · 1016353, a monopole at 200 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 1000024 on Feb 14, 2013. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 4,537 in Michigan.

Who owns antenna structure 1000024?

The FCC record lists SEMCO Energy, Inc of Port Huron, MI as the registered owner, under FCC Registration Number 0002772945. Across the registry it holds 2 structure registrations, including 2 in Michigan. Its most common filed structure-type code is TOWER (2 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 73-GL-393-OE, 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 1, 3, 12, 21.

Frequently asked questions

How tall is antenna structure 1000024?

Its registered overall height above ground is 98 m (320 ft), and 338 m (1,110 ft) above mean sea level.

Who owns tower 1000024?

The registered owner is SEMCO Energy, Inc, which holds 2 FCC antenna structure registrations.

Where is antenna structure 1000024?

It is located near Riley Center, St. Clair County, Michigan at .5 MI W BELLE RIVER RD ON S SIDE OF MASTERS RD (42.93917, -82.84972). Its status is constructed; it was constructed on Oct 26, 1973.

What type of structure is 1000024?

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 St. Clair County, MI?

St. Clair County has 118 FCC-registered antenna structures, 79 of them constructed — the 16th-largest count among 83 counties in Michigan.

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 1000024, 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 1000024, Riley Center, St. Clair County, Michigan”, https://towercensus.com/towers/michigan/riley-center-1000024 (data as of October 20, 2026).