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I_B_GREEN
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re: On the move, Curiosity preps for ‘contact science’
I_B_GREEN   9/14/2012 12:25:06 AM
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Maybe Curiosity could make a giant peace sign with its tracks!

Sanjib.A
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re: On the move, Curiosity preps for ‘contact science’
Sanjib.A   9/12/2012 2:50:17 AM
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@KB3001 and @George: Thanks! Sounds reasonable...I was just imagining that for the JPL engineers, it might be like watching a movie in slow-motion the entire day...takes a lots of patience...isn't it? :) But in reality they might be very busy in gathering & analyzing data? Any interesting findings so far?

george.leopold
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re: On the move, Curiosity preps for ‘contact science’
george.leopold   9/10/2012 1:09:55 AM
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There's no joystick to drive the rover. JPL has 16 engineers "driving" the rover. Their work consists of sending computer commands to the rover, which take most of a day to be executed. JPL is in no hurry to get where it's going, and they want to see what's around while they are driving on the surface of Mars.

KB3001
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re: On the move, Curiosity preps for ‘contact science’
KB3001   9/9/2012 3:51:34 PM
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I guess it's because of the time it takes for signals to reach Mars from Earth (and vice versa). To be able to control Curiosity in case of emergencies, its speed needs to be slow, I guess. That's the American way, do things in small steps first to make sure they work. We Europeans jump into the ideal scenario, which means we often get things wrong...

Sanjib.A
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re: On the move, Curiosity preps for ‘contact science’
Sanjib.A   9/9/2012 3:27:51 PM
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Why only 100 meters of travel in a Martian day? Is this to save energy for doing other things?

KB3001
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re: On the move, Curiosity preps for ‘contact science’
KB3001   9/8/2012 1:57:26 PM
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Oh go on Curiosity, we do not have all year for this... terribly lazy :-)



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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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