Chronology of call letters XES

[Probably two different stations, but this is uncertain.]

First station

• Date: ...March 30, 1929...
• Frequency:
  • 1200 kHz (...March 30, 1929...)
• Location:
  • Laredo, Mexico (...March 30, 1929...)
• Owner of license:
  • Unknown (...March 30, 1929...)

Second station

• Date: ...November 29, 1930...
• Frequency:
  • 890 kHz (...November 29, 1930...)
• Location:
  • Tampico, Mexico (...November 29, 1930...)
• Owner of license:
  • Unknown (...November 29, 1930...)