Channel 4

Channel 4
Country	United Kingdom
Broadcast area	United Kingdom Ireland Switzerland
Headquarters	124 Horseferry Road, London, England, UK National HQ, Majestic Cinema, Leeds, England, UK
Programming
Language(s)	English
Picture format	4:3 (1982–1999) 16:9 (2000–present)
Timeshift service	Channel 4 +1
Ownership
Owner	Channel Four Television Corporation
Sister channels	4seven Film4 E4 More4 E4 Extra
History
Launched	2 November 1982; 42 years ago (1982-11-02)
Links
Website	www.channel4.com
Availability
Terrestrial
Freeview	Channel 4 (SD) Channel 7 (Wales) Channel 15 (+1) Channel 104 (HD)
Cable
Virgin Media (UK)	Channel 104 (HD in London, SD in the rest of Eng, Scot & NI) Channel 108 (SD, Wales) Channel 141 (HD except London) Channel 142 (+1)
Virgin Media (Ireland)	Channel 111 (SD) Channel 142 (HD) Channel 161 (+1)
UPC Switzerland	Channel 210 (HD)
WightFibre	Channel 4
Satellite
Freesat	Channel 104 (SD) Channel 106 (Wales) Channel 121 (+1) Channel 974 (SD, London)
Sky (UK)	Channel 104 (SD/HD: London) Channel 108 (SD: Wales) Channel 138 (HD) (except London) Channel 204 (+1; ch 208 in Wales) Channel 804 (SD) (London)
Sky (Ireland)	Channel 135 Channel 235 (+1)
Astra 2E	10714 H 22000 5/6 10936 V 22000 5/6 (+1)
Astra 2G	11126 V 22000 5/6 (HD)
Eutelsat 10A (BFBS)	8009
NSS 12 (BFBS)	8109
IPTV
Swisscom TV (Switzerland)	Channel arbitrary
Eir Vision	Channel 204 (SD) Channel 205 (+1)
Streaming media
All 4	Watch live
TVPlayer	Watch live (UK only)
Sky Go	Watch live (UK and Ireland only)
Virgin TV Anywhere	Watch live (UK only) Watch live (+1, UK only)

Channel 4 is a television channel that broadcasts to the United Kingdom. It started on 2 November 1982. On 10 December 2010, Channel 4 started a HD version of their channel on Sky.