KZNB
regional Mexican radio station in Petaluma, California, United States
KZNB (1490 AM) is a radio station that broadcasts a Regional Mexican format. Licensed to Petaluma, California, United States, it serves the Santa Rosa area. The station is owned by Abel De Luna, through licensee Luna Foods, Inc.
The station's original transmitter building and radio tower (since destroyed) were featured in the film American Graffiti. The interior "DJ" scenes, featuring Wolfman Jack, were filmed at KRE in Berkeley, California.
On Tuesday, January 10, 1950, at 6 a.m., 1490 kHz commenced broadcasting as KAFP, which stood for 'Krowing Always For Petaluma,' associating the city with its poultry-processing status. Under the original ownership of Harold Sparks and Forrest Hughes, a.k.a. Petaluma Broadcasters, KAFP broadcast a hodgepodge of local and network/syndicated programs such as Sammy Kaye's music show, UP Radio News, a.o. For most of its life, 1490 signed off around midnight, though it was licensed to broadcast 24 hours daily.
KAFP, now owned by Lloyd Burlingham, became KTOB at 6:45 p.m.
Begin with the source’s own compact description: “KZNB” is regional Mexican radio station in Petaluma, California, United States. The dossier treats that line as a proposition to test through KZNB, regional and Mexican, not as a finished interpretation.
Why this record matters
The phrase “regional Mexican radio station in Petaluma, California, United States” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Jun 28, 2026. The linked authority identifier is Q6338996. Authority coordinates are 38.227, -122.621. 3 of 3 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1490 and 1950.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “KZNB”, its source revision and the description used here.
- Expand the search: follow KZNB primary sources, KZNB archive and KZNB research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “KZNB”?
- What physical evidence or contemporary plan supports the description?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “KZNB” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.