| 1 | Eastern Standard Time (3/1/1955) 10:10 AM EST | Radio Station WWV | 0:29 |
| 2 | Eastern Standard Time (1958) 2:20 PM EST | Radio Station WWV | 0:43 |
| 3 | Eastern Standard Time (1958) 8:55 PM EST | Radio Station WWV | 0:29 |
| 4 | Relocation to Ft. Collins Notification (1966) | Radio Station WWV | 1:03 |
| 5 | Actual Relocation to Ft. Collins (1966) 7:00 PM EST | Radio Station WWV | 0:39 |
| 6 | Mountain Standard Time (1967) 1500 MST | Radio Station WWV | 0:42 |
| 7 | MST to GMT Change Notification (1967) | Radio Station WWV | 1:07 |
| 8 | Generator Installation Notification (1967) 0204 GMT | Radio Station WWV | 1:59 |
| 9 | Survey Questionnaire Notification (1969) | Radio Station WWV | 0:38 |
| 10 | Morse Geoalert 'EEE' (1969) | Radio Station WWV | 0:18 |
| 11 | Morse Geoalert 'HHE' (1969) | Radio Station WWV | 0:27 |
| 12 | Geoalert Machine Malfunction (1969) | Radio Station WWV | 0:35 |
| 13 | Morse UT2 Correction SU019 (1969) | Radio Station WWV | 0:31 |
| 14 | David Howe Voice A + B (June 1970) | Radio Station KC2XIO | 0:43 |
| 15 | David Howe Voice C (June 1970) | Radio Station KC2XIO | 0:23 |
| 16 | Jane Barbe + David Howe IDs (June 1970) | Radio Station KC2XIO | 1:17 |
| 17 | No Voice Announcements (1970) | Radio Station KC2XIO | 1:14 |
| 18 | Jane Barbe Voice A (6/7/1971) 1705 UTC | Radio Station KC2XIO | 1:05 |
| 19 | Jane Barbe Voice B (6/7/1971) 1706 UTC | Radio Station KC2XIO | 1:03 |
| 20 | Barium Ion Vehicle #1 (4/1971) 0504 GMT | Radio Station WWV | 2:03 |
| 21 | Barium Ion Vehicle #2 (4/23/1971) | Radio Station WWV | 0:45 |
| 22 | Misc. Barium Ion Vehicle Warnings (1971) | Radio Station WWV | 1:13 |
| 23 | Notice of Relocation to Kauai (5/1971) | Radio Station WWVH | 0:55 |
| 24 | Telephone Time Service Notification (6/1971) | Radio Station WWV | 0:56 |
| 25 | Format Change Notification (1971) | Radio Station WWV | 0:30 |
| 26 | Announcer Machine Malfunctions (1971) | Radio Station WWV | 1:56 |
| 27 | Live Format Change (1971) | Radio Station WWV & Radio Station WWVH | 14:07 |
| 28 | New Station ID and UT2 Correction (7/1/1972) 0358-0403 GMT | Radio Station WWVH | 6:20 |
| 29 | New Station ID (1972) 1700GMT | Radio Station WWV | 0:55 |
| 30 | First Live Propagation Forecast N6 (1971) 0614 GMT | Radio Station WWV | 0:31 |
| 31 | First Live Solar Report (1971) 0618 GMT | Radio Station WWV | 0:54 |
| 32 | Storm Information Notice (1972) 0404 GMT | Radio Station WWV | 0:56 |
| 33 | Storm Information Notice (From Announcer Reels) (1972) | Radio Station WWVH | 0:39 |
| 34 | GMT to UTC Change Notice (5/1973) 2304 GMT | Radio Station WWV | 0:50 |
| 35 | Actual GMT to UTC Change (1/1/1974) 2359 GMT - 0000 UTC | Radio Station WWV | 1:10 |
| 36 | Station Engineer Announcements (1/31/1974) 0201 UTC | Radio Station WWV | 3:00 |
| 37 | Leap Second Announcement (From Announcer Reels) (11/26/1975) | Radio Station WWVH | 0:44 |
| 38 | Unused Frequency Discontinuance Notice (From Announcer Reels) (12/29/1975) | Radio Station WWVH | 0:49 |
| 39 | New Station IDs (1976) 1759 UTC | Radio Station WWV & Radio Station WWVH | 2:01 |
| 40 | Weather & OMEGA Announcements by Engineer (8/12/1976) 2108-2110 UTC | Radio Station WWV | 5:02 |
| 41 | Frequency Discontinuance Notice by Engineer (11/1976) 2004 UTC | Radio Station WWV | 1:10 |
| 42 | Frequency Discontinuance Notice by Don Elliott (11/1976) 1804 UTC | Radio Station WWV | 0:47 |
| 43 | Frequency Discontinuance Notice by Don Elliott (Second Recording) (11/1976) 1604 UTC | Radio Station WWV | 1:03 |
| 44 | Frequency Discontinuance Notice by Engineer (11/1976) | Radio Station WWVH | 0:40 |
| 45 | Leap Second Notification (From Announcer Reels) (12/11/1977) | Radio Station WWVH | 0:41 |
| 46 | Leap Second Notification (1977) 1803 UTC | Radio Station WWV & Radio Station WWVH | 1:10 |
| 47 | Leap Second Notification (From Announcer Reels) (12/31/1978) | Radio Station WWVH | 0:42 |
| 48 | Leap Second Notification (From Announcer Reels) (12/31/1979) | Radio Station WWVH | 0:41 |
| 49 | Leap Second Notification (From Announcer Reels) (6/30/1981) | Radio Station WWVH | 0:40 |
| 50 | Leap Second Notification (4/7/1982) 0104 UTC | Radio Station WWV | 0:51 |
| 51 | Leap Second Notification (From Announcer Reels) (6/30/1982) (Take One) | Radio Station WWVH | 0:38 |
| 52 | Leap Second Notification (From Announcer Reels) (6/30/1982) (Take Two) | Radio Station WWVH | 0:41 |
| 53 | Broadcast Sample (4/1983) 0334 UTC | Radio Station WWVH | 1:24 |
| 54 | Station ID & Broadcast Sample (1984) 2300 UTC | Radio Station WWV | 1:19 |
| 55 | Leap Second Notification (1985) | Radio Station WWV | 0:30 |
| 56 | Leap Second Notification by Station Employee (From Announcer Reels) (12/31/1987) | Radio Station WWVH | 0:46 |
| 57 | Station ID & Broadcast Sample (1980s) 2359 UTC | Radio Station WWVH | 2:23 |
| 58 | Station ID & Broadcast Sample (1990) 0400 UTC | Radio Station WWV | 1:18 |
| 59 | Digital Voice (1991) 1841 UTC | Radio Station WWV | 1:16 |
| 60 | Digital Voice (1991) 0521 UTC | Radio Station WWVH | 1:25 |
| 61 | INSPIRE Program Announcements (1992) | Radio Station WWV | 3:02 |
| 62 | Leap Second Notification by Station Employee (1992) | Radio Station WWV | 0:43 |
| 63 | Leap Second Notification by Station Employee (1992) | Radio Station WWVH | 0:44 |
| 64 | Leap Second Notification by Station Employee (From Announcer Reels) (6/30/1992) | Radio Station WWVH | 0:41 |
| 65 | Leap Second Notification by Jane Barbe (From Announcer Reels) (6/30/1992) | Radio Station WWVH | 0:41 |
| 66 | The Leap Second (1992) 0000 UTC | Radio Station WWV | 0:18 |
| 67 | New Station ID by Jane Barbe (From Announcer Reels) (1992) | Radio Station WWVH | 0:41 |
| 68 | Station ID & Broadcast Sample (From Timecode Generator) (2001) 2230 UTC | Radio Station WWV | 2:03 |
| 69 | Station ID & Broadcast Sample (From Timecode Generator) (2000) 2359 UTC | Radio Station WWVH | 2:26 |
| 70 | User Survey Notification (2001) | Radio Station WWV | 0:46 |
| 71 | User Survey In Progress (2001) | Radio Station WWV | 0:52 |
| 72 | User Survey Notification (2001) | Radio Station WWVH | 0:47 |
| 73 | User Survey In Progress (2001) | Radio Station WWVH | 0:48 |
| 74 | Leap Second Notification and Leap Second (12/31/2008) 2359 UTC | Radio Station WWV | 2:45 |
| 75 | Tsunami Warning System Test Announcement #1 (7/22/2010) 1516 UTC | Radio Station WWV | 0:48 |
| 76 | Tsunami Warning System Test Announcement #2 (From Timecode Generators) (7/22/2010) 1803 UTC | Radio Station WWV & Radio Station WWVH | 2:19 |
| 77 | Survey Announcement (From Timecode Generator) (4/8/2011) 2016 UTC | Radio Station WWV | 1:02 |
| 78 | Leap Second Announcement (6/24/2012) 0616 UTC | Radio Station WWVH | 0:58 |
| 79 | Scheduled Broadcast Outage Notification (2/12/2017) 1616 UTC | Radio Station WWV | 1:16 |
| 80 | Storm Warning Discontinuance Notice #1 (5/18/2017) 1404 UTC | Radio Station WWV | 0:44 |
| 81 | 2018 Telephone Time Service Notification (8/12/2018) 2104 UTC | Radio Station WWV | 0:45 |
| 82 | Storm Warning Discontinuance Notice #2 (10/3/2018) 1204 UTC | Radio Station WWV | 0:50 |
| 83 | Final Storm Warning Broadcast (1/31/2018) 1808UTC | Radio Station WWV | 1:30 |
| 84 | No More Storm Warnings (1/31/2018) 1908UTC | Radio Station WWV | 0:44 |
| 85 | WWV100 Department of Defense Announcement (From Timecode Generator) (10/1/2019) 2304 UTC | Radio Station WWV | 1:12 |
| 86 | WWV100 QSL Announcement (From Timecode Generator) (10/1/2019) 2309 UTC | Radio Station WWV | 1:09 |