TowerCensus

Lattice tower 1203646 — Ottawa Lake, MI

Constructed

FCC Antenna Structure Registration 1203646 — lattice tower near Ottawa Lake, Michigan. Open-framework steel lattice tower.

At a glance

FCC Antenna Structure Registration 1203646 is a 78 m (257 ft) lattice tower near Ottawa Lake, Monroe County, Michigan. Its registration status is constructed, with construction recorded on Nov 1, 1999. It is registered to American Towers LLC, which holds 21,809 FCC structure registrations.

Overall height
78 m
257 ft
Support structure
76 m
Top above sea level
286 m
Ground elevation
208 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)1203646
Unique system identifier2600471
StatusConstructed (C)
Structure typeLattice tower (LTOWER)
Date constructedNov 1, 1999
Registration issuedMar 27, 2023

Aviation safety

FAA & lighting

FieldValue
FAA study number2022-AGL-16647-OE
FAA circular70/7460-1J
Painting / lighting spec4, 8, 13
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

American Towers LLC

Woburn, MA · FRN 0011498342

Holds 21,809 FCC structure registrations — view the full portfolio →

Location

Address
9642 Sylvania-Petersburg Road (91775)
City
Ottawa Lake
ZIP
49267
County FIPS
26115
Coordinates
41.78761, -83.70156

Within ~40 km

Nearby structures

How tall is structure 1203646 compared with others?

At 78 m, structure 1203646 is about 11% above the 71 m average across the 130 structures registered in Monroe County. It is roughly in line with the Michigan average of 74 m across 6,225 registrations. Among the 35,918 registrations nationwide filed under the same structure-type code (LTOWER), the average overall height is 73 m, so this one is roughly in line with that figure.

The supporting structure itself measures 76 m; antennas and other appurtenances on top bring the overall height above ground to 78 m. The site's filed ground elevation is 208 m, which puts the top of the structure 286 m above mean sea level.

Where is structure 1203646, and what is registered around it?

The registration places the structure near Ottawa Lake in Monroe County, Michigan, at coordinates 41.78761, -83.70156, with the site address filed as "9642 Sylvania-Petersburg Road (91775)". Monroe County has 130 FCC-registered antenna structures, the 11th-largest count among the 83 Michigan counties with registrations, and 102 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 Jerusalem Township, OH · 1012091, a tower at 438 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 1203646 on Mar 27, 2023. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 4,537 in Michigan.

Who owns antenna structure 1203646?

The FCC record lists American Towers LLC of Woburn, MA as the registered owner, under FCC Registration Number 0011498342. Across the registry it holds 21,809 structure registrations, the largest portfolio among the 7,865 owners with two or more, including 911 in Michigan. Its most common filed structure-type code is LTOWER (5,892 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2022-AGL-16647-OE and FAA Advisory Circular 70/7460-1J, 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, 13.

Frequently asked questions

How tall is antenna structure 1203646?

Its registered overall height above ground is 78 m (257 ft), and 286 m (938 ft) above mean sea level.

Who owns tower 1203646?

The registered owner is American Towers LLC, which holds 21,809 FCC antenna structure registrations.

Where is antenna structure 1203646?

It is located near Ottawa Lake, Monroe County, Michigan at 9642 Sylvania-Petersburg Road (91775) (41.78761, -83.70156). Its status is constructed; it was constructed on Nov 1, 1999.

What type of structure is 1203646?

It is filed with the FCC under structure-type code LTOWER, which decodes to "Lattice tower". Open-framework steel lattice tower. 35,918 registrations nationwide use the same code.

How many antenna structures are registered in Monroe County, MI?

Monroe County has 130 FCC-registered antenna structures, 102 of them constructed — the 11th-largest count among 83 counties in Michigan.

Related pages

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Dataset updated . Source: FCC Antenna Structure Registration 1203646, 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 1203646, Ottawa Lake, Monroe County, Michigan”, https://towercensus.com/towers/michigan/ottawa-lake-1203646 (data as of October 20, 2026).