TowerCensus

Pole 1321947 — San Marcos, CA

Granted (not yet constructed)

FCC Antenna Structure Registration 1321947 — pole near San Marcos, California. Wood, steel or concrete pole.

At a glance

FCC Antenna Structure Registration 1321947 is a 9 m (29 ft) pole near San Marcos, San Diego County, California. Its registration status is granted (not yet constructed). It is registered to AT&T Mobility Spectrum LLC, which holds 1,607 FCC structure registrations.

Overall height
9 m
29 ft
Support structure
8 m
Top above sea level
184 m
Ground elevation
176 m
◆ Loading map…
≥ 150 m60–150 m30–60 m< 30 m
This entry + 6 nearby

Registration record

FCC record

FieldValue
Registration number (ASRN)1321947
Unique system identifier2721925
StatusGranted (not yet constructed) (G)
Structure typePole (POLE)
Date constructed—
Registration issuedSep 30, 2025

Aviation safety

FAA & lighting

FieldValue
FAA study number2021-AWP-13440-OE
FAA circular—
Painting / lighting specNONE
Marking / lighting codeNone (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

AT&T Mobility Spectrum LLC

Plano, TX · FRN 0014980726

Holds 1,607 FCC structure registrations — view the full portfolio →

Location

Address
Adjacent to 135 N. Las Posas Road
City
San Marcos
ZIP
92069
County FIPS
06073
Coordinates
33.15158, -117.18906

Within ~40 km

Nearby structures

How tall is structure 1321947 compared with others?

At 9 m, structure 1321947 is about 38% of the 23 m average across the 856 structures registered in San Diego County. It is about 27% of the California average of 32 m across 11,862 registrations. Among the 16,558 registrations nationwide filed under the same structure-type code (POLE), the average overall height is 31 m, so this one is about 28% of that figure.

The supporting structure itself measures 8 m; antennas and other appurtenances on top bring the overall height above ground to 9 m. The site's filed ground elevation is 176 m, which puts the top of the structure 184 m above mean sea level.

Where is structure 1321947, and what is registered around it?

The registration places the structure near San Marcos in San Diego County, California, at coordinates 33.15158, -117.18906, with the site address filed as "Adjacent to 135 N. Las Posas Road". San Diego County has 856 FCC-registered antenna structures, the 4th-largest count among the 58 California counties with registrations, and 485 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 San Diego, CA · 1014525, a 3-tower array at 98 m (constructed).

What does the status "Granted (not yet constructed)" mean?

Granted means the FCC has issued the registration, but the record does not yet carry the owner's notice that construction was completed. The FCC issued registration 1321947 on Sep 30, 2025. Nationally, 18,406 of the 197,833 registrations (9.3%) carry the granted (not yet constructed) status, including 1,198 in California.

Who owns antenna structure 1321947?

The FCC record lists AT&T Mobility Spectrum LLC of Plano, TX as the registered owner, under FCC Registration Number 0014980726. Across the registry it holds 1,607 structure registrations, the 19th-largest portfolio among the 7,865 owners with two or more, including 433 in California. Its most common filed structure-type code is MTOWER (628 registrations).

What FAA and lighting details are on file?

The registration cites FAA aeronautical study 2021-AWP-13440-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 1321947?

Its registered overall height above ground is 9 m (29 ft), and 184 m (605 ft) above mean sea level.

Who owns tower 1321947?

The registered owner is AT&T Mobility Spectrum LLC, which holds 1,607 FCC antenna structure registrations.

Where is antenna structure 1321947?

It is located near San Marcos, San Diego County, California at Adjacent to 135 N. Las Posas Road (33.15158, -117.18906). Its status is granted (not yet constructed).

What type of structure is 1321947?

It is filed with the FCC under structure-type code POLE, which decodes to "Pole". Wood, steel or concrete pole. 16,558 registrations nationwide use the same code.

How many antenna structures are registered in San Diego County, CA?

San Diego County has 856 FCC-registered antenna structures, 485 of them constructed — the 4th-largest count among 58 counties in California.

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 1321947, 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 1321947, San Marcos, San Diego County, California”, https://towercensus.com/towers/california/san-marcos-1321947 (data as of October 20, 2026).