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CPUShack
Joined: 16 Jun 2003
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smithy
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 Posted: Thu Apr 12, 2018 2:04 am Post subject: |
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Cool article...and looking forward to the launch!
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max1024
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| Posted: Thu Apr 12, 2018 2:48 pm Post subject: |
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| Space. My favourite theme )) It is interesting as usual. By modern standards, such an ordinary processor has two cores, 1 GHz, but how much useful work it does! He probably also protected from radiation? I wonder what method is the transfer of data from space to earth and how fast is the data flow in M/G bit/s? |
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CPUShack
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| Posted: Thu Apr 12, 2018 4:51 pm Post subject: |
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| max1024 wrote: | | Space. My favourite theme )) It is interesting as usual. By modern standards, such an ordinary processor has two cores, 1 GHz, but how much useful work it does! He probably also protected from radiation? I wonder what method is the transfer of data from space to earth and how fast is the data flow in M/G bit/s? |
Ka-Band radio, very high data rate, 125Mbit/sec
Compare that to the datarates from the MarCo cube sats that are going to Mars soon, 8k/sec
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max1024
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| Posted: Fri Apr 13, 2018 3:41 am Post subject: |
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| 125 Mbit Impressive )) To the Mars you mean only 8 Kbit/sec ? |
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CPUShack
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CPUShack
Joined: 16 Jun 2003
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| Posted: Fri Apr 13, 2018 7:41 pm Post subject: |
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Interestingly I received a message from a NASA engineer that they actually switched to a different flight computer midway through the development.
I updated the article to reflect this, its a similar design, just switched from a dual core P2020, to a single core P2010
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Robev
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| Posted: Fri Apr 13, 2018 11:45 pm Post subject: |
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Must be a nerve racking time for the Engineers that developed the Satellite on Launch Day.
If the Launch fails a lot of time, effort and money goes to waste
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