English: Recording of broadcast from NIST radio station WWV. Recorded on 2009年9月4日, 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