XERFR-FM

XERFR-AM/XERFR-FM
Broadcast areaGreater Mexico City
Frequency970 kHz
103.3 MHz (HD Radio)
BrandingRadio Fórmula (1ra Cadena)
Programming
FormatNews radio
Ownership
Owner
  • Grupo Fórmula
  • (La B Grande, S.A. de C.V.[1][2])
XEDF-AM/XEDF-FM, XEAI-AM
History
First air date
1932/1957
Former call signs
AM:
XEK-AM (1932–1957),
XEDF-AM (1957–1997)
FM:
XERPM-FM (1957–1999)
Call sign meaning
"Radio Fórmula"
Technical information
ClassB
Power(AM) 50,000 watts (day)
4,000 watts (night)[3]
ERP(FM) 58.13 kW[4]
Transmitter coordinates
19°22′47.3″N 99°06′09.2″W / 19.379806°N 99.102556°W / 19.379806; -99.102556 (AM) 19°26′01.4″N 99°08′27.2″W / 19.433722°N 99.140889°W / 19.433722; -99.140889 (FM)
Links
Websiteradioformula.com.mx

XERFR-AM 970/XERFR-FM 103.3 is a radio station in Mexico City. It is the flagship of Radio Fórmula's Primera Cadena.

XERFR-FM broadcasts in HD and used to carry four subchannels, including a one-hour timeshift feed of XERFR-FM, the feed of 1470 XEAI-AM, and Radio Fórmula's Trión musical format.[5] but the station currently uses only one digital channel carrying XERFR-FM programming.

  1. ^ RPC: #054843 Concessionaire Change by Internal Reorganization — XEDF-FM
  2. ^ RPC: #054842 Concessionaire Change by Internal Reorganization — XERFR-AM
  3. ^ Instituto Federal de Telecomunicaciones. Infraestructura de Estaciones de Radio AM. Last modified 2018-05-16. Retrieved 2015-06-15. Technical information from the IFT Coverage Viewer.
  4. ^ Instituto Federal de Telecomunicaciones. Infraestructura de Estaciones de Radio FM. Last modified 2018-05-16. Retrieved 2015-06-15. Technical information from the IFT Coverage Viewer.
  5. ^ Instituto Federal de Telecomunicaciones. Listado de Autorizaciones de Acceso a Multiprogramación. Last modified December 21, 2021. Retrieved 31 October 2018.