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old account Frank Eory
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re: What were they thinking: Summer Time
old account Frank Eory   2/20/2012 8:54:17 PM
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I don't miss DST even a little. With the changes in the switchover dates in recent years, I have a hard time remembering what time it is elsewhere, but a nice advantage of never changing your clocks is you always know what time it is where you live :)

BrianBailey
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re: What were they thinking: Summer Time
BrianBailey   2/20/2012 6:27:07 PM
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Can you imaging the uproar that would exist today if the hours got longer in summer -and you still had to work from 9-5. People would only want to work in Winter. What would happen as well to all of the measurements that depend on time. Would things go 'slower' in summer...

Max The Magnificent
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re: What were they thinking: Summer Time
Max The Magnificent   2/20/2012 6:13:39 PM
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Hi Brian -- two things -- the first is that the ancient Egyptians had water clocks that varied throughout the year such that they always had 12 hours of daylight and 12 hours of nighttime -- it's just that the lengths of the hours varied from month to month. The second is that I heard that the number of heart attacks rise for the first week or two after the time changes ... maybe not by huge amounts but certainly by measurable amounts -- so in a day daylight savings time is killing us :-(

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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