NRC shortwave time signal broadcast (CHU) in Ottawa

Audio recordings of the National Research Council's time signal broadcast on shortwave radio, broadcast at frequencies of 3.33 MHz in the 90m band, 7.85 MHz in the 38m band and at 14.67 MHz in the 20m band.

Includes a comparison of the signal near the transmitters, away from the transmitters and while leaving the location.

More details on this shortwave station are available at:
https://nrc.canada.ca/en/certificatio...

CBC ceasing the 1pm time synchronization signal (the long dash):
https://www.cbc.ca/news/canada/ottawa...

NRC Eastern Time automated telephone № +1.613.745.1576 (in English), +1.613.745.9426 (en Français) - same voices as heard on the shortwave broadcasts.

Recorded on a Raddy RF320 portable shortwave radio on October 15, 2023.

Chapters:
0:00 Introduction
2:33 3.33 MHz at close range
3:50 7.85 MHz at close range
5:11 14.67 MHz at close range
6:33 3.33 MHz at a distance
6:55 7.85 MHz at a distance
7:13 14.67 MHz at a distance
7:26 leaving the site & slideshow