Building 1015589 — Geysers, CA
TerminatedFCC Antenna Structure Registration 1015589 — building near Geysers, California. Antenna mounted on the roof or side of a building.
At a glance
FCC Antenna Structure Registration 1015589 is a 18 m (58 ft) building near Geysers, Sonoma County, California. Its registration status is terminated, with construction recorded on Jan 1, 1978. It is registered to PACIFIC GAS & ELECTRIC COMPANY.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1015589 |
| Unique system identifier | 118524 |
| Status | Terminated (T) |
| Structure type | Building (B) |
| Date constructed | Jan 1, 1978 |
| Registration issued | Mar 7, 1997 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 78-AWE-422-OE |
| FAA circular | — |
| Painting / lighting spec | — |
| Marking / lighting code | — |
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
PACIFIC GAS & ELECTRIC COMPANY
San Francisco, CA
Location
- Address
- GEYSERS RD GEYSERS POWER PLANT UNITS 5 & 6
- City
- Geysers
- State
- California
- ZIP
- 95441
- County
- Sonoma County
- County FIPS
- 06097
- Coordinates
- 38.80556, -122.80889
Within ~40 km
Nearby structures
Tower (type not specified) · Canceled
Guyed tower · Constructed
Guyed tower · Constructed
Tower (type not specified) · Terminated
Tower (type not specified) · Terminated
Tower (type not specified) · Constructed
How tall is structure 1015589 compared with others?
At 18 m, structure 1015589 is about half of the 34 m average across the 122 structures registered in Sonoma County. It is about half of the California average of 32 m across 11,860 registrations. Among the 1,817 registrations nationwide filed under the same structure-type code (B), the average overall height is 42 m, so this one is about 42% of that figure.
The site's filed ground elevation is 611 m, which puts the top of the structure 629 m above mean sea level.
Where is structure 1015589, and what is registered around it?
The registration places the structure near Geysers in Sonoma County, California, at coordinates 38.80556, -122.80889, with the site address filed as "GEYSERS RD GEYSERS POWER PLANT UNITS 5 & 6". Sonoma County has 122 FCC-registered antenna structures, the 24th-largest count among the 58 California counties with registrations, and 57 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 Uklah, CA · 1000098, a tower at 76 m (canceled).
What does the status "Terminated" mean?
Terminated means the FCC has ended the registration. The FCC issued registration 1015589 on Mar 7, 1997. Nationally, 8,910 of the 197,770 registrations (4.5%) carry the terminated status, including 1,525 in California.
Who owns antenna structure 1015589?
The FCC record lists PACIFIC GAS & ELECTRIC COMPANY of San Francisco, CA as the registered owner.
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 78-AWE-422-OE, the FAA review of the structure's effect on air navigation.
Frequently asked questions
How tall is antenna structure 1015589?
Its registered overall height above ground is 18 m (58 ft), and 629 m (2,062 ft) above mean sea level.
Who owns tower 1015589?
The registered owner is PACIFIC GAS & ELECTRIC COMPANY.
Where is antenna structure 1015589?
It is located near Geysers, Sonoma County, California at GEYSERS RD GEYSERS POWER PLANT UNITS 5 & 6 (38.80556, -122.80889). Its status is terminated; it was constructed on Jan 1, 1978.
What type of structure is 1015589?
It is filed with the FCC under structure-type code B, which decodes to "Building". Antenna mounted on the roof or side of a building. 1,817 registrations nationwide use the same code.
How many antenna structures are registered in Sonoma County, CA?
Sonoma County has 122 FCC-registered antenna structures, 57 of them constructed — the 24th-largest count among 58 counties in California.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1015589, 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 1015589, Geysers, Sonoma County, California”, https://towercensus.com/towers/california/geysers-1015589 (data as of October 13, 2026).