Chronology of call letters CYF

• Date: ...March 1925-1929... ( Note: Station is shown in an April 1929 RADEX listing, but a note from a reader in the same issue indicates that at least one other Mexican station had been changed from CZE to XFX, so this date is questionable.)
• Frequency:
  • 1132 kHz (...January 31, 1927...)
• Location:
  • Oaxaca, Mexico (...March 1925-1929...)
• Owner of license:
  • Frederico Zorilla (...March 1925-1929...)