Red Apple 21

480i · Main feed

Red Apple 21 is an English-language education channel from United States. Broadcast Atlas lists 1 public stream source up to 853x480.

Last checked July 24, 2026: the stream responded — 853x480, avc1.77.30 video, mp4a.40.2 audio and live.

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.

Red Apple 21 (Fairfax County Public Schools)

cs.ebmcdn.net

Technical details · preference #1 · score 1498

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: 481d4a65-3551-4b47-b43b-41e899b0364a
Preference rank: #1 of 1
Preference score: 1498
Source host: cs.ebmcdn.net
URL scheme: HTTPS
Catalog media type: Not yet verified
Detected protocol: hls
Manifest type: hls master
Container: Not yet verified
Supplied quality: 480p
Detected resolution: 853x480
Frame rate: Not yet verified
Approximate bitrate: 1.72 Mbps
Video codec: avc1.77.30
Audio codec: mp4a.40.2
Adaptive bitrate: No
Live stream: Yes
HTTPS status: https
Availability note: Not 24/7
Requires referrer: No
Requires custom user agent: No
Geographic restriction: Not yet verified
Authentication: Not yet verified
DRM: Not yet verified
Health: healthy
Browser compatibility: {"status":"unknown"}
Device compatibility: {"status":"unverified"}
Detection evidence: {"runId":"7d83349c-3b9f-4894-a40d-2d02a65b7115","verifier":"manifest-v1","checkedAt":"2026-07-24T07:40:13.134626+00:00"}
Last checked: Jul 24, 2026, 7:40 AM UTC
Last success: Jul 24, 2026, 7:40 AM UTC
Last failure: Never
First catalog sighting: Jul 20, 2026, 4:47 AM UTC
Last catalog sighting: Jul 23, 2026, 5:52 AM UTC
Metadata updated: Jul 27, 2026, 7:52 AM UTC
Source revision: Not yet verified

Open source