Mast 1243686 — San Adreas, CA
ConstructedFCC Antenna Structure Registration 1243686 — mast near San Adreas, California. Slender vertical mast structure.
At a glance
FCC Antenna Structure Registration 1243686 is a 34 m (111 ft) mast near San Adreas, Calaveras County, California. Its registration status is constructed, with construction recorded on Aug 3, 2004. It is registered to T-Mobile West LLC, which holds 1,634 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1243686 |
| Unique system identifier | 2642710 |
| Status | Constructed (C) |
| Structure type | Mast (MAST) |
| Date constructed | Aug 3, 2004 |
| Registration issued | Aug 19, 2012 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2004-AWP-1651-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
Bellevue, WA · FRN 0002837276
Holds 1,634 FCC structure registrations — view the full portfolio →
Location
- Address
- 2300 WILLOW CREEK
- City
- San Adreas
- State
- California
- ZIP
- 95249
- County
- Calaveras County
- County FIPS
- 06009
- Coordinates
- 38.18850, -120.64497
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) · Granted (not yet constructed)
How tall is structure 1243686 compared with others?
At 34 m, structure 1243686 is about 20% below the 42 m average across the 17 structures registered in Calaveras County. It is roughly in line with the California average of 32 m across 11,862 registrations. Among the 3,482 registrations nationwide filed under the same structure-type code (MAST), the average overall height is 53 m, so this one is about 37% below that figure.
The supporting structure itself measures 31 m; antennas and other appurtenances on top bring the overall height above ground to 34 m. The site's filed ground elevation is 469 m, which puts the top of the structure 503 m above mean sea level.
Where is structure 1243686, and what is registered around it?
The registration places the structure near San Adreas in Calaveras County, California, at coordinates 38.18850, -120.64497, with the site address filed as "2300 WILLOW CREEK". Calaveras County has 17 FCC-registered antenna structures, the 55th-largest count among the 58 California counties with registrations, and 12 of them are marked constructed. California as a whole has 11,862 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 1243686 on Aug 19, 2012. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 6,869 in California.
Who owns antenna structure 1243686?
The FCC record lists T-Mobile West LLC of Bellevue, WA as the registered owner, under FCC Registration Number 0002837276. Across the registry it holds 1,634 structure registrations, the 17th-largest portfolio among the 7,865 owners with two or more, including 785 in California. Its most common filed structure-type code is BANT (372 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2004-AWP-1651-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 1243686?
Its registered overall height above ground is 34 m (111 ft), and 503 m (1,649 ft) above mean sea level.
Who owns tower 1243686?
The registered owner is T-Mobile West LLC, which holds 1,634 FCC antenna structure registrations.
Where is antenna structure 1243686?
It is located near San Adreas, Calaveras County, California at 2300 WILLOW CREEK (38.18850, -120.64497). Its status is constructed; it was constructed on Aug 3, 2004.
What type of structure is 1243686?
It is filed with the FCC under structure-type code MAST, which decodes to "Mast". Slender vertical mast structure. 3,482 registrations nationwide use the same code.
How many antenna structures are registered in Calaveras County, CA?
Calaveras County has 17 FCC-registered antenna structures, 12 of them constructed — the 55th-largest count among 58 counties in California.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1243686, 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 1243686, San Adreas, Calaveras County, California”, https://towercensus.com/towers/california/san-adreas-1243686 (data as of October 20, 2026).