CACrown ArchivesThe cinema collection
Menu
Research dossier · Arts & Letters

Grupo Cadena

formerly known as Cadena Baja California, a radio and television broadcaster in Baja California, Mexico

Manuscripts, fine bindings, an engraving plate and preserved performance ephemera
Arts and lettersInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 18, 2026
Entity authorityQ5016358 ↗
Source-derived summary

Grupo Cadena, formerly known as Cadena Baja California, was a media company based in Tijuana, Baja California, Mexico, with business offices in San Diego, California, United States. CBC had media properties located in Tijuana, Ensenada, Tecate and Mexicali.

History

CBC, began in 1936 with the establishment of radio station XEBG-AM in Tijuana, followed in 1950 by XEDX-AM in Ensenada, XEMBC-AM in Mexicali in 1964, and XEWV-FM in 1974.

In 1990, CBC established its first television station, XHBJ-TV channel 45 in the city of Tijuana.

In 1994, XHMORE-FM began broadcasting; the station currently carries a Rock en Español format as "More FM 98.9", since September 2010. The More FM branding and format would later be carried over to XEWV-FM Mexicali on September 9, 2011.

Also part of the CBC family is XESPN-AM; formerly an affiliate of ESPN Radio, the station changed to a news/talk format as "Noticias 800" on November 1, 2010.

On January 24, 2011, CBC converted "CBC Radio" stations XEBG-AM, XEMBC-AM and Ensenada station XEDX-AM to a new news/talk format, under the "Cadena" branding. XESPN was later also rebranded as Cadena 800 AM.

In November 2019, XHBJ ceased to be a Televisa broadcaster and was renamed ¨45 TV Tijuana¨ with programming from Multimedios TV, XHILA-TDT Mexicali and news cuts from the ¨Cadena¨ news department. And a show from its sister station MORE FM 98/9.

Editorial summary

Begin with the source’s own compact description: “Grupo Cadena” is formerly known as Cadena Baja California, a radio and television broadcaster in Baja California, Mexico. The dossier treats that line as a proposition to test through Grupo, Cadena and formerly, not as a finished interpretation.

Editorial reviewBest approached as a cultural-object dossier: authorship and date matter, but circulation and reception often explain the wider significance. The current lead gives the account dated anchors—1936, 1950, 1964, 1974—that can be checked directly. The linked authority record independently contributes the date 1936. For this dossier, Grupo, Cadena and formerly is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “formerly known as Cadena Baja California, a radio and television broadcaster in Baja California, Mexico” 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.

Evidence profile

Reception evidence should be dated and situated: later canonical status may differ sharply from the work’s initial circulation. The source revision retrieved here is dated Jul 18, 2026. The linked authority identifier is Q5016358. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1936, 1950, 1964 and 1974.

Critical limits

Later fame can flatten the distinction between original context, subsequent adaptation and institutional collecting history. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Separate the work, its editions or performances, and its later reception. Catalogue records, publication histories and object files often preserve different parts of that story.

Best used for
  • Identifying works and editions
  • Tracing reception history
  • Finding collection records
Verify next

The original object or edition, catalogue raisonné, performance record, rights file and holding institution.

Three-step research path

  1. Establish the record: confirm the title “Grupo Cadena”, its source revision and the description used here.
  2. Expand the search: follow Grupo Cadena primary sources, Grupo Cadena archive and Grupo research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Grupo Cadena”?
  2. Where is authorship, date or provenance documented?
  3. Which edition, object, performance or recording is being described?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Grupo Cadena” 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.