radio.jj1bdx.tokyo Contents

JJY audible simulator

The JavaScript program running from this web page generates 1kHz tone in the format of JJY, the national time and standard frequency station of Japan, synchronized to the local clock of the client computer.

JJY transmission format is described in The Method of Emitting Standard Time and Frequency Signal Emission.

Reference

• Original source: https://github.com/shogo82148/web-jjy
• Original code is licensed under the MIT License, as well as the variant for this web page is.