Antenna structures in Keweenaw County, Michigan
At a glance
Keweenaw County, Michigan has 10 FCC-registered antenna structures, 7 of them marked constructed. That is the 83rd-largest count among the 83 Michigan counties with registrations, and 0.16% of the state's 6,220. The tallest constructed structure in the county is registration 1221302 near Copper Harbor at 152 m (500 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Keweenaw County compare with the rest of Michigan?
With 10 registrations, Keweenaw County ranks 83rd of 83 counties in Michigan; Wayne County leads the state with 412. The average registered overall height here is 115 m, about 54% above the Michigan average of 74 m. The tallest standing structure, at 152 m, is about 33% above the county average.
What kinds of structures are registered in Keweenaw County?
The most common filed structure type in Keweenaw County is guyed tower (code GTOWER), with 6 registrations (60%). It is followed by lattice tower (2) and tower (1).
By registration status: 7 constructed, 2 canceled and 1 dismantled. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Keweenaw County?
MICHIGAN, STATE OF and SBA Towers III LLC hold the most registrations in Keweenaw County, 3 each of the 10. Other owners include Alltel Communications Wireless of Louisiana, Inc. (1), Alltel Corporation (1) and American Tower Limited Partnership (1). 6 owners with two or more registrations nationwide hold structures in the county.
Which places in Keweenaw County have registered structures?
Registrations in Keweenaw County list 5 different city or place names. The most frequent are Copper Harbor (3), Mohawk (3), Keweenaw (2), Phoenix (1) and Eagle Harbor (1).
Every registration
All 10 structures in Keweenaw County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Copper Harbor · 1221302 | 152 m | Guyed tower | Constructed |
| 2 | Phoenix · 1225310 | 152 m | Guyed tower | Constructed |
| 3 | Eagle Harbor · 1225313 | 152 m | Guyed tower | Constructed |
| 4 | Keweenaw · 1000205 | 128 m | Unspecified structure | Dismantled |
| 5 | Keweenaw · 1291468 | 113 m | Guyed tower | Constructed |
| 6 | Copper Harbor · 1281798 | 106 m | Guyed tower | Constructed |
| 7 | Mohawk · 1217617 | 98 m | Tower (type not specified) | Canceled |
| 8 | Mohawk · 1054454 | 95 m | Guyed tower | Constructed |
| 9 | Mohawk · 1285151 | 87 m | Lattice tower | Constructed |
| 10 | Copper Harbor · 1298568 | 61 m | Lattice tower | Canceled |
Frequently asked questions
How many cell towers are in Keweenaw County, MI?
The FCC Antenna Structure Registration database lists 10 registered antenna structures in Keweenaw County, Michigan, 7 of them constructed. Registration is generally required only for structures taller than about 60 m or near airports, so shorter cell sites may not appear.
What is the tallest tower in Keweenaw County?
The tallest constructed registered structure in Keweenaw County is registration 1221302, a guyed tower near Copper Harbor at 152 m (500 ft) overall height.
Who owns the most towers in Keweenaw County?
MICHIGAN, STATE OF and SBA Towers III LLC are tied for the most registrations in Keweenaw County, with 3 each.
What kind of towers are in Keweenaw County?
Guyed tower is the most common filed type (6 of 10 registrations), then lattice tower (2).
More in Michigan
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 structures in Keweenaw County, Michigan”, https://towercensus.com/towers/michigan/county/keweenaw-county (data as of October 13, 2026).