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I've just got one. How does it work? I mean, how does the broadcasted signal "speak" to the clock?
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[ This Message was edited by: absinthebri on 2004-11-13 09:30 ]
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Posted: 2004-11-12 14:42:26
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I'm fairly sure that a signal is broadcast by an organisation (National Astronomy laboratory ??), which is used by the clock to regulate the time
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Posted: 2004-11-12 14:49:37
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I get the UK signal from Rugby and EU signal from Cologne. But what's encoded in the signal?
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Posted: 2004-11-12 14:52:34
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Information is contained within the signal, which regulates the time to the accuracy of 1/100th of a second, within something like 10,000 years
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Posted: 2004-11-12 15:00:06
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http://electronics.howstuffworks.com/question461.htm
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Posted: 2004-11-12 15:04:19
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My radio controled clock seems to show the wrong time ..its supposed to correct itself every hour or so....its one hour behind at present..maybe it aint getting the signal properly or something!
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Posted: 2004-11-12 15:26:32
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@axxxr - maybe its in the wrong time zone
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Posted: 2004-11-12 17:18:50
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Well, I think it must be magic. I'm impressed.
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Posted: 2004-11-12 18:28:31
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I have had a Junghans radiocontrolled watch for eight years now. Every night at two o'clock the watch is aligned with the time being broadcasted from the atomic clock in Frankfurt am Main (it is a city in Germany, I belive it is Frankfurt). In addition I can ask the watch to update itself if I'm not sure if it has been updated for some time. The watch also displays how many days has passed since the last contact. If I go travelling I have to manually add or subtract hours to fit it to the local time zone. This is done by pushing a button. The watch also changes between normal time and summer time (daylight saving time) automatically twice a year.
In addition to this my watch is powered by a solar panel (or in fact: the solar panel powers an accumulator), the "screen" is of a scratch free material and the case is made of cheramics.
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Posted: 2004-11-13 00:49:12
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I've read up on radio clock signals. I've had a look at the Rugby, Frankfurt, Colorado and the two Japanese transmitters. I've refreshed my understanding of binary.
I'm still mystified.
This is just unbelievable. My clock always tells the correct time. How neat is that?
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Posted: 2004-11-19 10:21:01
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