Archivo:WWV time signal - 20090904.ogg

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WWV_time_signal_-_20090904.ogg(Archivo de sonido Ogg Vorbis, duración: 2m 9s, 71 kbps, tamaño del archivo: 1,09 MB)

Resumen

Descripción
English: Recording of broadcast from NIST radio station WWV. Recorded on 4 de septiembre de 2009, on 15 MHz, from 14:59:52.3 to 15:02 UTC. It's a bit noisy, but quite audible.

A timeline of what you hear:

  • 00:00.2: voice announcement "At the tone, 15 hours, 0 minutes, Coordinated Universal Time"
  • 00:00.5 (between "at" and "the"): Ambient noise. It's a ship's clock in the background, ringing the last of 6 times (11:00 EDT). This was clearly audible in the original, but might have become hard to hear after editing.
  • 00:07.7: 1500 Hz top-of-hour tone (0.8 seconds)
  • 00:08.5: beginning of station ID (see article)
  • 00:41.7: end of station ID
  • 01:00.2: voice announcement "At the tone, 15 hours, 1 minute, Coordinated Universal Time"
  • 01:07.7: 1000 Hz end-of-minute tone (0.8 second)
  • 01:08.7: begin continuous 600 Hz tone, only interrupted by the once-per-second "ticks" (If you listen carefully, the first two ticks of this minute are doubled. This means UT1 is 0.2 seconds ahead of UTC. They're "under" the 600 Hz tone but can still be heard.)
  • 01:35.7: Omission of tick at 29th second past the minute.
  • 01:52.7: 600 Hz tone stops.
  • 02:00.2: voice announcement "At the tone, 15 hours, 2 minutes, Coordinated Universal Time."
  • 02:07.7: 1000 Hz end-of-minute tone
  • 02:08.7: end of file
Fecha
Fuente WWV.
Autor Xenon54.

Licencia

Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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actual16:01 4 sep 20092m 9s (1,09 MB)Xenon54{{Information |Description={{en|1=Recording of broadcast from NIST radio station WWV. Recorded 2009-09-04, on 15 MHz, from 14:59:52.3 to 15:02 UTC. It's a bit noisy, but quite audible. A timeline of what you hear: *00:00.2: voice announcement "At the tone

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