Tower 1203843 — Livermore, CA
ConstructedFCC Antenna Structure Registration 1203843 — tower (type not specified) near Livermore, 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 1203843 is a 24 m (80 ft) tower near Livermore, Alameda County, California. Its registration status is constructed, with construction recorded on Apr 2, 2002. It is registered to ALAMEDA, COUNTY OF, which holds 3 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1203843 |
| Unique system identifier | 2600668 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Apr 2, 2002 |
| Registration issued | Sep 29, 1999 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 99-AWP-0206-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
San Leandro, CA · FRN 0001540236
Holds 3 FCC structure registrations — view the full portfolio →
Location
- Address
- SANTA RITA JAIL FACILITY
- City
- Livermore
- State
- California
- ZIP
- 94568
- County
- Alameda County
- County FIPS
- 06001
- Coordinates
- 37.72019, -121.88994
Within ~40 km
Nearby structures
Tower (type not specified) · Granted (not yet constructed)
Tower (type not specified) · Constructed
Unspecified structure · Constructed
Tower (type not specified) · Canceled
- Sundol, CA · 1261727137 m
Tower (type not specified) · Canceled
Guyed tower · Constructed
How tall is structure 1203843 compared with others?
At 24 m, structure 1203843 is about 20% below the 31 m average across the 420 structures registered in Alameda County. It is about 24% below the California average of 32 m across 11,862 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 32% of that figure.
The site's filed ground elevation is 122 m, which puts the top of the structure 146 m above mean sea level.
Where is structure 1203843, and what is registered around it?
The registration places the structure near Livermore in Alameda County, California, at coordinates 37.72019, -121.88994, with the site address filed as "SANTA RITA JAIL FACILITY". Alameda County has 420 FCC-registered antenna structures, the 9th-largest count among the 58 California counties with registrations, and 231 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 Bethel Island, CA · 1022770, a tower at 221 m (granted (not yet 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 1203843 on Sep 29, 1999. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 6,869 in California.
Who owns antenna structure 1203843?
The FCC record lists ALAMEDA, COUNTY OF of San Leandro, CA as the registered owner, under FCC Registration Number 0001540236. Across the registry it holds 3 structure registrations, including 3 in California. Its most common filed structure-type code is TOWER (3 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 99-AWP-0206-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 1203843?
Its registered overall height above ground is 24 m (80 ft), and 146 m (480 ft) above mean sea level.
Who owns tower 1203843?
The registered owner is ALAMEDA, COUNTY OF, which holds 3 FCC antenna structure registrations.
Where is antenna structure 1203843?
It is located near Livermore, Alameda County, California at SANTA RITA JAIL FACILITY (37.72019, -121.88994). Its status is constructed; it was constructed on Apr 2, 2002.
What type of structure is 1203843?
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 Alameda County, CA?
Alameda County has 420 FCC-registered antenna structures, 231 of them constructed — the 9th-largest count among 58 counties in California.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1203843, 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 1203843, Livermore, Alameda County, California”, https://towercensus.com/towers/california/livermore-1203843 (data as of October 20, 2026).