Time Beacons

Related wiki pages : Bands, Beacons

Introduction

Time beacons transmit time data on a continuous basis. Time data is derived from atomic clocks - clocks that maintain an accuracy to within one billionth of a second per day. A number of time scales are generated, including UTC (Coordinated Universal Time) often of most use to radio amateurs.

Use for Amateurs

• Alligning SSTV software to computer clock speed so as to reduce/eliminate slant on received pictures.

Time beacon facilities

Canada

• CHU in Canada (3.330MHz, 7.335MHz, 14.670 MHz)

China

• BPC in China (68.5kHz)

France

• [TDF] in France (162kHz)

Germany

• [DCF77] in Germany (77.5kHz)

Japan

• [JJY] in Japan (Frequency 40kHz and 60kHz)

Switzerland

• [HBG] in Switzerlan (75kHz)

United Kingdom

• [MSF] in the United Kingdom (60kHz)

USA

• NIST (National Institute of Standards and Technlogy) in Maryland USA. (2.5 MHz, 5MHz, 10MHz, 15MHz, 20MHz)