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george.leopold
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re: Updated: Curiosity ready to roll despite sensor damage
george.leopold   8/23/2012 5:22:00 PM
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That's one possibility that JPL engineers are looking into. The bottom line is that they now realize they should have shielded the mini-boom that was exposed on Curiosity's deck during landing. So far, this is one of the few engineering details that they missed. And this is why you include redundant systems.

Sanjib.A
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re: Updated: Curiosity ready to roll despite sensor damage
Sanjib.A   8/23/2012 4:02:05 PM
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Great pictures! The impression of the rover's wheels looks like an impression on mud or moist Martian soil...isn't it? I imagined that the marks would look like the impressions on sand.

przemek0
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re: Updated: Curiosity ready to roll despite sensor damage
przemek0   8/23/2012 3:13:44 PM
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Note just above-right of the center of the image that there's a pattern on the tire that impresses on the track---apparently it is Morse code for JPL. Just another little geek in-joke from NASA.

prabhakar_deosthali
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re: Updated: Curiosity ready to roll despite sensor damage
prabhakar_deosthali   8/23/2012 4:12:31 AM
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This unexpected damage to the wind sensor must have been because of the low gravity on the mars compared to that on earth. So the pebbles got lifted much more than expected by the rocket thrust and hit the wind sensor

scanman
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re: Updated: Curiosity ready to roll despite sensor damage
scanman   8/22/2012 10:57:24 PM
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No, most were clean cut, (not the 60's style, but the 80's) and some hippy style hairdo!

george.leopold
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re: Updated: Curiosity ready to roll despite sensor damage
george.leopold   8/22/2012 7:00:56 PM
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See Curiosity's first tracks on Mars here: https://twitter.com/tweetsoutloud/status/238340410248921088/photo/1/large

george.leopold
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re: Updated: Curiosity ready to roll despite sensor damage
george.leopold   8/22/2012 6:50:18 PM
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NASA/JPL confirms today (Aug. 22) that first Rover test drive was a success. Rover tracks now visible at Gale Crater landing site. We will post a link to first pictures shortly.

george.leopold
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re: Updated: Curiosity ready to roll despite sensor damage
george.leopold   8/22/2012 6:10:34 PM
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Did any JPL mission controllers have mohawks back then?

Sanjib.A
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re: Updated: Curiosity ready to roll despite sensor damage
Sanjib.A   8/22/2012 5:02:32 PM
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It will be very interesting to see the picture of Curiosity's foot print where it landed. Is that footprint still intact and not covered with dust?...hope not. :-)

scanman
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re: Updated: Curiosity ready to roll despite sensor damage
scanman   8/22/2012 5:00:36 PM
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What amazing feet... hats off to American technological innovation and ingenuity. Brings back to memory the days when I worked at JPL during the Voyager sojourns around Jupiter(the space craft used plated memories!!). We used to crowd around the JPL cafeteria monitors watching live images of the Jupiter with the rings( looked like big mac) and the moons ( of course it took ~30 minutes transmission time from Jupiter). Those were the days... I am glad we are back in that zone again.

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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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