KSFB
Relevant Radio station in San Francisco
KSFB (1260 AM) is a radio station licensed to San Francisco, California. It broadcasts Relevant Radio, a Roman Catholic radio format, to the San Francisco Bay Area of the United States. It was previously known as KYA until 1983, and KOIT and KXLR after that.
The AM station was a simulcast of the former sister station KOIT-FM, and unlike that station, continued to be owned by Bonneville International until February 1, 2008, when it was officially sold to IHR Educational Broadcasting.
History
KYA
The station originated as KYA in 1926, and has had 14 owners and 4 different callsigns in 85 years. KYA was owned by everyone from Hearst Corporation to Avco Broadcasting of California, a subsidiary of the jet and aerospace contractor.
KYA went on the air on December 18, 1926, with 500 watts on 970 kHz. from the Clift Hotel in San Francisco. The owners were Vincent I. Kraft of Seattle, who had started KJR there, and Frederick C. Clift of San Francisco. It got a license for 1,000 watts on 850 kHz.
This brief starts where responsible research should: with the source description of “KSFB” as relevant Radio station in San Francisco. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as relevant Radio station in San Francisco. Its deeper value depends on whether names, dates, institutions and citations support that framing.
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 Aug 7, 2026. The linked authority identifier is Q6337663. Authority coordinates are 37.716, -122.395. 3 of 3 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1260, 1983, 2008 and 1926.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. 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 “KSFB”, its source revision and the description used here.
- Expand the search: follow KSFB primary sources, KSFB archive and KSFB 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 “KSFB”?
- 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 “KSFB” 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.