File:Emergency Alert System Attention Signal 20s.ogg
Emergency_Alert_System_Attention_Signal_20s.ogg (Ogg Vorbis sound file, length 20 s, 28 kbps, file size: 68 KB)
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Summary
| Description |
English: 853Hz + 960Hz simultaneously (20 seconds): civil defense and weather warning sound for radio and TV stations: originally used by U.S. Emergency Broadcast System; now used by the successor Emergency Alert System as the Attention Signal (47 CFR 11.31) |
| Date | |
| Source | en:File:Emergency alert system tone.ogg |
| Author | en:User:Denelson83 |
| Other versions |
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Licensing
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This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship. |
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This file consists of actual or simulated versions of: Emergency Alert System codes, the Emergency Alert System Attention Signal, and/or the Wireless Emergency Alerts Attention Signal. Use of these tones are restricted by the Federal Communications Commission. For more information, see https://docs.fcc.gov/public/attachments/DA-19-758A1.pdf. |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2005-04-09 04:11 Denelson83 0×0× (69451 bytes) Better version of two-tone attention signal formerly used for the [[Emergency Broadcast System]], now used for the [[Emergency Alert System]]. {{GFDL-self}}
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:53, 13 April 2010 | 20 s (68 KB) | File Upload Bot (Magnus Manske) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Better version of two-tone attention signal formerly used for the en:Emergency Broadcast System, |
File usage
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Global file usage
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