41.1
Structure facts
What the site currently knows about this tower, pulled from the public source stack behind the route graph.
Carrier presence
The carrier and technology hints that make this more useful than a raw tower-owner listing.
Nearby pages
Other tower detail pages within a short drive of this site.
San Francisco, CA
Crowdsourced onlyApproximate cell site near San Francisco, CA
Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 68 cell observations across 665 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near San Francisco, CA 94158
San Francisco, CA
Crowdsourced onlyApproximate cell site near San Francisco, CA
Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 90 cell observations across 1349 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near San Francisco, CA 94105
San Francisco, CA
ASR matchedSan Francisco 42.7 ASR-1240132
42.7 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 175 meters away.
274 BRANNAN STREET
San Francisco, CA
Crowdsourced onlyApproximate cell site near San Francisco, CA
Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 31 cell observations across 425 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near San Francisco, CA 94107
Why this detail page matters
The product logic behind showing a standalone tower page instead of burying the record in a generic list.
- Exact ASR structures and crowdsourced-only nodes are both listed, with the difference labeled rather than hidden.
- Tower owner is often a neutral host like Crown Castle or American Tower, not the wireless carrier itself.
- Coverage ranges here are rough carrier-level estimates derived from reported cell radii. Treat them as indicative, not exact.