Tower 1203909 — Sonora, CA
ConstructedFCC Antenna Structure Registration 1203909 — tower (type not specified) near Sonora, California. 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 1203909 is a 28 m (93 ft) tower near Sonora, Tuolumne County, California. Its registration status is constructed, with construction recorded on Jan 18, 2002. It is registered to Columbia Communications Inc, which holds 2 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1203909 |
| Unique system identifier | 2600734 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Jan 18, 2002 |
| Registration issued | Jan 4, 2021 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 99-AWP-1552-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
Columbia, CA · FRN 0006039465
Holds 2 FCC structure registrations — view the full portfolio →
Location
- Address
- 4200 W. Bradford & Stockton St.
- City
- Sonora
- State
- California
- ZIP
- 95370
- County
- Tuolumne County
- County FIPS
- 06109
- Coordinates
- 37.98242, -120.40156
Within ~40 km
Nearby structures
Guyed tower · Constructed
Monopole · Constructed
Guyed tower · Constructed
Lattice tower · Constructed
Tower (type not specified) · Granted (not yet constructed)
Tower (type not specified) · Constructed
How tall is structure 1203909 compared with others?
At 28 m, structure 1203909 is about 14% below the 33 m average across the 36 structures registered in Tuolumne County. It is about 12% below the California average of 32 m across 11,860 registrations. Among the 75,247 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about 37% of that figure.
The site's filed ground elevation is 732 m, which puts the top of the structure 760 m above mean sea level.
Where is structure 1203909, and what is registered around it?
The registration places the structure near Sonora in Tuolumne County, California, at coordinates 37.98242, -120.40156, with the site address filed as "4200 W. Bradford & Stockton St.". Tuolumne County has 36 FCC-registered antenna structures, the 45th-largest count among the 58 California counties with registrations, and 22 of them are marked constructed. California as a whole has 11,860 registrations, the 2nd-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Altaville, CA · 1050375, a guyed tower at 127 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 1203909 on Jan 4, 2021. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 6,866 in California.
Who owns antenna structure 1203909?
The FCC record lists Columbia Communications Inc of Columbia, CA as the registered owner, under FCC Registration Number 0006039465. Across the registry it holds 2 structure registrations, including 2 in California. 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 99-AWP-1552-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 1203909?
Its registered overall height above ground is 28 m (93 ft), and 760 m (2,493 ft) above mean sea level.
Who owns tower 1203909?
The registered owner is Columbia Communications Inc, which holds 2 FCC antenna structure registrations.
Where is antenna structure 1203909?
It is located near Sonora, Tuolumne County, California at 4200 W. Bradford & Stockton St. (37.98242, -120.40156). Its status is constructed; it was constructed on Jan 18, 2002.
What type of structure is 1203909?
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. 75,247 registrations nationwide use the same code.
How many antenna structures are registered in Tuolumne County, CA?
Tuolumne County has 36 FCC-registered antenna structures, 22 of them constructed — the 45th-largest count among 58 counties in California.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1203909, 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 1203909, Sonora, Tuolumne County, California”, https://towercensus.com/towers/california/sonora-1203909 (data as of October 13, 2026).