Contents
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Radio technology
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1. Radio technology - The most up-to-date way to keep time
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5,000 years have passed since timekeeping began with sundials. In the
interim there have been water clocks, the mechanical clocks of the 13th
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century and quartz watches. Now we have the radio-controlled watch.
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This is a watch that, with good reception, will never go wrong and never need
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setting. The Junghans radio-controlled watch is absolutely precise, as it is lin-
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ked via wireless technology to the timing control of the most accurate clock
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in the world, namely the Caesium Time Base at the Physikalisch-Technischen
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Bundesanstalt in Braunschweig (Germany's national institute of natural and
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engineering sciences).
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Frankfurt
1500 km
Mainflingen
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