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george.leopold
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re: NASA, commercial space industy brace for critical test
george.leopold   5/19/2012 1:36:16 PM
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SpaceX has a full launch manifest for placing satellites into earth orbit. Others like XCOR are betting there are revenues in $1M-a-seat space tourism. All they need to do is build a safe, reliable, reusable flying machine.

Duane Benson
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re: NASA, commercial space industy brace for critical test
Duane Benson   5/18/2012 11:13:22 PM
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One of the advantages and disadvantages of a free market economy (or mostly free market) is that something like commercial space travel on large scale will happen when people believe there is money to be made - and will ONLY happen when people believe there is money to be made. Maybe that time is now. Or if not now, then soon.

george.leopold
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re: NASA, commercial space industy brace for critical test
george.leopold   5/18/2012 7:08:10 PM
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We have raised the safety issue with commercial space contractors here: http://confidential.eetimes.com/business-models/4229639/What-Happens--When-They-Kill-Someone-

KB3001
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re: NASA, commercial space industy brace for critical test
KB3001   5/18/2012 5:53:01 PM
NO RATINGS
Correct. Let's hope it all works well. I have concerns about safety/security....

KB3001
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re: NASA, commercial space industy brace for critical test
KB3001   5/18/2012 5:51:52 PM
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I love free market economics when they work for the benefit of humanity :-)

george.leopold
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re: NASA, commercial space industy brace for critical test
george.leopold   5/18/2012 5:00:35 PM
NO RATINGS
If the commercial crew effort works, and will know a lot more if SpaceX launches on Saturday morning, they and presumably other competitors will free up NASA to move beyond low Earth orbit and work once again on manned missions in the solar system. For much more on SpaceX, we highly recommend this: http://www.airspacemag.com/space-exploration/Visionary-Launchers-Employees.html

goafrit
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re: NASA, commercial space industy brace for critical test
goafrit   5/18/2012 2:31:49 PM
NO RATINGS
I always respect America. Before this decade, the notion that killing NASA is a bad thing will fade. People will see private companies sustaining the space industry and that will be good for tax payers.



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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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