🇬🇧 United Kingdom

S4C

576i · Main feed

S4C is an English and Welsh-language channel from United Kingdom, on air since 1982. Broadcast Atlas lists 4 public stream sources up to 1080p.

Last checked July 29, 2026: the stream did not respond (4 of 4 sources checked).

Launched November 1, 1982 · Also known as SD

Direct sources

Available streams

Streams open directly from their source hosts. Broadcast Atlas does not proxy, relay, transcode, or retransmit media.

S4C

live-uk.s4c-cdn.co.uk

Technical details · preference #1 · score 1408

The preference score rewards browser-ready HTTPS, HLS or image support, header-free playback, adaptive bitrate, reliability, and useful resolution. It is a selection heuristic, not a quality guarantee.

Stream ID: 00cee5a3-ec30-4982-a260-fa57296a12c0
Preference rank: #1 of 4
Preference score: 1408
Source host: live-uk.s4c-cdn.co.uk
URL scheme: HTTPS
Catalog media type: Not yet verified
Detected protocol: https
Manifest type: Not yet verified
Container: Not yet verified
Supplied quality: 1080p
Detected resolution: Not yet verified
Frame rate: Not yet verified
Approximate bitrate: Not yet verified
Video codec: Not yet verified
Audio codec: Not yet verified
Adaptive bitrate: Not yet verified
Live stream: Not yet verified
HTTPS status: https
Availability note: Geo-blocked
Requires referrer: No
Requires custom user agent: No
Geographic restriction: Not yet verified
Authentication: Not yet verified
DRM: Not yet verified
Health: degraded
Browser compatibility: {"status":"unknown"}
Device compatibility: {"status":"unverified"}
Detection evidence: {"classification":"unverified"}
Last checked: Jul 29, 2026, 1:21 PM UTC
Last success: Never
Last failure: Jul 29, 2026, 1:21 PM UTC
First catalog sighting: Jul 20, 2026, 4:47 AM UTC
Last catalog sighting: Jul 23, 2026, 5:52 AM UTC
Metadata updated: Jul 29, 2026, 1:21 PM UTC
Source revision: Not yet verified

Open source

S4C

matchmaker.live.bidi.net.uk

Technical details · preference #2 · score 1408

Stream ID: 1ca701fd-b7a1-4323-9a62-b83a8a346459
Preference rank: #2 of 4
Preference score: 1408
Source host: matchmaker.live.bidi.net.uk
URL scheme: HTTPS
Catalog media type: Not yet verified
Detected protocol: https
Manifest type: Not yet verified
Container: Not yet verified
Supplied quality: 1080p
Detected resolution: Not yet verified
Frame rate: Not yet verified
Approximate bitrate: Not yet verified
Video codec: Not yet verified
Audio codec: Not yet verified
Adaptive bitrate: Not yet verified
Live stream: Not yet verified
HTTPS status: https
Availability note: Geo-blocked
Requires referrer: No
Requires custom user agent: No
Geographic restriction: Not yet verified
Authentication: Not yet verified
DRM: Not yet verified
Health: degraded
Browser compatibility: {"status":"unknown"}
Device compatibility: {"status":"unverified"}
Detection evidence: {"classification":"unverified"}
Last checked: Jul 29, 2026, 1:22 PM UTC
Last success: Never
Last failure: Jul 29, 2026, 1:22 PM UTC
First catalog sighting: Jul 20, 2026, 4:47 AM UTC

S4C

vs-cmaf-pushb-uk-live.akamaized.net

Technical details · preference #3 · score 1372

Stream ID: 1f58c3a3-f5de-424d-a974-0bc7724dcdf4
Preference rank: #3 of 4
Preference score: 1372
Source host: vs-cmaf-pushb-uk-live.akamaized.net
URL scheme: HTTPS
Catalog media type: Not yet verified
Detected protocol: https
Manifest type: Not yet verified
Container: Not yet verified
Supplied quality: 720p
Detected resolution: Not yet verified
Frame rate: Not yet verified
Approximate bitrate: Not yet verified
Video codec: Not yet verified
Audio codec: Not yet verified
Adaptive bitrate: Not yet verified
Live stream: Not yet verified
HTTPS status: https
Availability note: Geo-blocked
Requires referrer: No
Requires custom user agent: No
Geographic restriction: Not yet verified
Authentication: Not yet verified
DRM: Not yet verified
Health: degraded
Browser compatibility: {"status":"unknown"}
Device compatibility: {"status":"unverified"}
Detection evidence: {"classification":"unverified"}
Last checked: Jul 27, 2026, 7:37 AM UTC
Last success: Never
Last failure: Jul 27, 2026, 7:37 AM UTC
First catalog sighting: Jul 20, 2026, 4:47 AM UTC

S4C (720p) (HEVC)

vs-cmaf-pushb-uk-live.akamaized.net

Technical details · preference #4 · score 1300

Stream ID: b082d2a7-6a70-4710-a206-9ded533c3fb8
Preference rank: #4 of 4
Preference score: 1300
Source host: vs-cmaf-pushb-uk-live.akamaized.net
URL scheme: HTTPS
Catalog media type: Not yet verified
Detected protocol: https
Manifest type: Not yet verified
Container: Not yet verified
Supplied quality: Not yet verified
Detected resolution: Not yet verified
Frame rate: Not yet verified
Approximate bitrate: Not yet verified
Video codec: Not yet verified
Audio codec: Not yet verified
Adaptive bitrate: Not yet verified
Live stream: Not yet verified
HTTPS status: https
Availability note: Geo-blocked
Requires referrer: No
Requires custom user agent: No
Geographic restriction: Not yet verified
Authentication: Not yet verified
DRM: Not yet verified
Health: degraded
Browser compatibility: {"status":"unknown"}
Device compatibility: {"status":"unverified"}
Detection evidence: {"classification":"unverified"}
Last checked: Jul 23, 2026, 4:01 PM UTC
Last success: Never
Last failure: Jul 23, 2026, 4:01 PM UTC
First catalog sighting: Jul 20, 2026, 4:47 AM UTC