From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Mexico City
City Mexico City
Branding Capital 21
Channels Digital: 21 (UHF)
Virtual: 21 (PSIP)
Subchannels 21.1 Capital 21
21.2 ALDF
Affiliations Public government broadcaster
Owner Government of Mexico City
(Gobierno de la Ciudad de México)
Founded March 31, 2010
First air date June 24, 2010
Call letters' meaning XH Ciudad De México
Transmitter power 133.57 kW[1]
Transmitter coordinates 19°31′47″N 99°07′48″W / 19.52972°N 99.13000°W / 19.52972; -99.13000
Licensing authority IFT
Website Official website

XHCDM-TDT is a digital-only television station licensed to Mexico City, transmitting on channel 21 from Cerro del Chiquihuite. Branded as Capital 21, it is owned by the Government of Mexico City.

It is one of the newest stations in Mexico City; while the government had worked for years to build a station (which, had it signed on in analog, might have been channel 36, 38 or 42),[2] it received its permit on February 22, 2010, and it signed on in 2012.


Programming on XHCDM includes cultural and entertainment programming aimed at the general Mexico City area. XHCDM also has several local newscasts that air on weekdays: a 7am newscast entitled Metrópoli 21 and two newscasts titled A Tiempo 21, one at 2:30pm and the other at 9pm. It also carries news programs from Deutsche Welle, typical of other state networks.

Digital subchannels[edit]

In 2015, XHCDM's digital signal was multiplexed for the first time. A subchannel 21.2 was added, with coverage of the Legislative Assembly of the Federal District. It is titled "Ciudad TV, Canal de la Asamblea" after a 2016 name change.[3][4]

Channel Video Aspect PSIP Short Name Network Programming
22.1 1080i 16:9 XHCDMHD Capital 21 Main Canal 22 feed
22.2 480i 4:3 XHCDMSD Ciudad TV ALDF


  1. ^ Instituto Federal de Telecomunicaciones. Infraestructura de Estaciones de TDT. Last modified 2018-05-16. Retrieved . Technical information from the IFT Coverage Viewer.
  2. ^ Ariadna Bermeo, "Proponen 3 canales para TV; Afirma José Ávila que las propuestas fueron sugeridas en reunión de técnicos", Reforma 18 April 2007
  3. ^ IFT Comunicado: "El IFT aprueba su Informe de Actividades correspondientes al 2do. Trimestre del 2016 (Comunicado 97/2016)"
  4. ^ Instituto Federal de Telecomunicaciones. Listado de Autorizaciones de Acceso a Multiprogramación. Last modified 2018-08-21. Retrieved 14 August 2018.

External links[edit]