Monopole 1251640 — Alto, MI
ConstructedFCC Antenna Structure Registration 1251640 — monopole near Alto, Michigan. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1251640 is a 59 m (195 ft) monopole near Alto, Kent County, Michigan. Its registration status is constructed, with construction recorded on Oct 25, 2005. It is registered to SBA Towers II LLC, which holds 2,321 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1251640 |
| Unique system identifier | 2650804 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Oct 25, 2005 |
| Registration issued | Feb 3, 2014 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2013-AGL-12821-OE |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (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
Boca Raton, FL · FRN 0015709579
Holds 2,321 FCC structure registrations — view the full portfolio →
Location
- Address
- 9475 Sanbom Ave (MI11115-A)
- City
- Alto
- State
- Michigan
- ZIP
- 49302
- County
- Kent County
- County FIPS
- 26081
- Coordinates
- 42.79147, -85.47056
Within ~40 km
Nearby structures
Guyed tower · Constructed
Tower (type not specified) · Constructed
Unspecified structure · Constructed
Tower (type not specified) · Constructed
Guyed tower · Constructed
Guyed tower · Constructed
How tall is structure 1251640 compared with others?
At 59 m, structure 1251640 is roughly in line with the 62 m average across the 234 structures registered in Kent County. It is about 20% below the Michigan average of 74 m across 6,220 registrations. Among the 24,638 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 42% above that figure.
The supporting structure itself measures 58 m; antennas and other appurtenances on top bring the overall height above ground to 59 m. The site's filed ground elevation is 232 m, which puts the top of the structure 292 m above mean sea level.
Where is structure 1251640, and what is registered around it?
The registration places the structure near Alto in Kent County, Michigan, at coordinates 42.79147, -85.47056, with the site address filed as "9475 Sanbom Ave (MI11115-A)". Kent County has 234 FCC-registered antenna structures, the 3rd-largest count among the 83 Michigan counties with registrations, and 154 of them are marked constructed. Michigan as a whole has 6,220 registrations, the 8th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Wayland, MI · 1000688, a guyed tower at 344 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 1251640 on Feb 3, 2014. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 4,538 in Michigan.
Who owns antenna structure 1251640?
The FCC record lists SBA Towers II LLC of Boca Raton, FL as the registered owner, under FCC Registration Number 0015709579. Across the registry it holds 2,321 structure registrations, the 8th-largest portfolio among the 7,865 owners with two or more. Its most common filed structure-type code is TOWER (867 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2013-AGL-12821-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 1251640?
Its registered overall height above ground is 59 m (195 ft), and 292 m (957 ft) above mean sea level.
Who owns tower 1251640?
The registered owner is SBA Towers II LLC, which holds 2,321 FCC antenna structure registrations.
Where is antenna structure 1251640?
It is located near Alto, Kent County, Michigan at 9475 Sanbom Ave (MI11115-A) (42.79147, -85.47056). Its status is constructed; it was constructed on Oct 25, 2005.
What type of structure is 1251640?
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. 24,638 registrations nationwide use the same code.
How many antenna structures are registered in Kent County, MI?
Kent County has 234 FCC-registered antenna structures, 154 of them constructed — the 3rd-largest count among 83 counties in Michigan.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1251640, 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 1251640, Alto, Kent County, Michigan”, https://towercensus.com/towers/michigan/alto-1251640 (data as of October 13, 2026).