Tower 1218502 — Janesville, WI
ConstructedFCC Antenna Structure Registration 1218502 — tower (type not specified) near Janesville, Wisconsin. 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 1218502 is a 98 m (320 ft) tower near Janesville, Rock County, Wisconsin. Its registration status is constructed, with construction recorded on Oct 22, 2001. It is registered to Rock, County of, which holds 3 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1218502 |
| Unique system identifier | 2616078 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Oct 22, 2001 |
| Registration issued | Oct 17, 2000 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 00-AGL-5203-OE |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 4, 8, 12 |
| Marking / lighting code | FAA 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
Janesville, WI · FRN 0002682748
Holds 3 FCC structure registrations — view the full portfolio →
Location
- Address
- 4601 County Hwy A
- City
- Janesville
- State
- Wisconsin
- ZIP
- 53548
- County
- Rock County
- County FIPS
- 55105
- Coordinates
- 42.69964, -89.09369
Within ~40 km
Nearby structures
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Dismantled
Unspecified structure · Constructed
Guyed tower · Constructed
Guyed tower · Constructed
How tall is structure 1218502 compared with others?
At 98 m, structure 1218502 is about 37% above the 71 m average across the 105 structures registered in Rock County. It is about 33% above the Wisconsin average of 73 m across 5,115 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 299 m, which puts the top of the structure 397 m above mean sea level.
Where is structure 1218502, and what is registered around it?
The registration places the structure near Janesville in Rock County, Wisconsin, at coordinates 42.69964, -89.09369, with the site address filed as "4601 County Hwy A". Rock County has 105 FCC-registered antenna structures, the 10th-largest count among the 72 Wisconsin counties with registrations, and 84 of them are marked constructed. Wisconsin as a whole has 5,115 registrations, the 13th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Madison, WI · 1241784, a tower at 396 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 1218502 on Oct 17, 2000. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 3,946 in Wisconsin.
Who owns antenna structure 1218502?
The FCC record lists Rock, County of of Janesville, WI as the registered owner, under FCC Registration Number 0002682748. Across the registry it holds 3 structure registrations, including 3 in Wisconsin. 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 00-AGL-5203-OE and FAA Advisory Circular 70/7460-1K, 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, 12.
Frequently asked questions
How tall is antenna structure 1218502?
Its registered overall height above ground is 98 m (320 ft), and 397 m (1,301 ft) above mean sea level.
Who owns tower 1218502?
The registered owner is Rock, County of, which holds 3 FCC antenna structure registrations.
Where is antenna structure 1218502?
It is located near Janesville, Rock County, Wisconsin at 4601 County Hwy A (42.69964, -89.09369). Its status is constructed; it was constructed on Oct 22, 2001.
What type of structure is 1218502?
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 Rock County, WI?
Rock County has 105 FCC-registered antenna structures, 84 of them constructed — the 10th-largest count among 72 counties in Wisconsin.
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 1218502, 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 1218502, Janesville, Rock County, Wisconsin”, https://towercensus.com/towers/wisconsin/janesville-1218502 (data as of October 20, 2026).