File:Emergency Alert System Attention Signal 20s.ogg

Emergency_Alert_System_Attention_Signal_20s.ogg(Ogg Vorbis sound file, length 20 s, 28 kbps)

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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

Licensing

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.
{{{template}}} 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}}

Captions

This file is an emergency alert system used by the United States. It is also the standard for communication protocol. The tone is heard around the world in Europe.

Items portrayed in this file

depicts

9 April 2005

application/ogg

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeDimensionsUserComment
current21:53, 12 April 201020 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,

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