Monopole 1016139 — American Canyon, CA

At 11 m, structure 1016139 is about half of the 23 m average across the 59 structures registered in Napa County. It is about 35% of the California average of 32 m across 11,862 registrations. Among the 24,665 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 27% of that figure.

The site's filed ground elevation is 73 m, which puts the top of the structure 84 m above mean sea level.

The registration places the structure near American Canyon in Napa County, California, at coordinates 38.18681, -122.26442, with the site address filed as "100 NAPA JCT RD". Napa County has 59 FCC-registered antenna structures, the 34th-largest count among the 58 California counties with registrations, and 33 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 Francisco, CA · 1205157, a building antenna at 250 m (constructed).

Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1016139 on Jan 27, 2026. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 6,869 in California.

The FCC record lists Crown Castle GT Company, LLC of Canonsburg, PA as the registered owner, under FCC Registration Number 0005793682. Across the registry it holds 2,215 structure registrations, the 11th-largest portfolio among the 7,865 owners with two or more, including 267 in California. Its most common filed structure-type code is TOWER (1,223 registrations).

The registration cites FAA aeronautical study 2015-AWP-1423-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".