Radio Once 1120 AM

Radio Once 1120 AM logo

Radio Once 1120 AM (WMSW, 1120 AM) is a News/Talk radio station licensed to Hatillo, PR, and serves the Puerto Rico radio market. The station is currently owned by Aurora Broadcasting Corporation.

  • Call sign: WMSW
  • Frequency: 1120 AM
  • City of license: Hatillo, PR
  • Format: News/Talk
  • Owner: Aurora Broadcasting Corporation
  • Area Served: Puerto Rico


  • Phone number: +1 787-439-5144
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