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All things being equal, when is the lenght of SETI work units going to be doubled?



 
 
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  #1  
Old June 17th 05, 10:01 PM
Max Power
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Default All things being equal, when is the lenght of SETI work units going to be doubled?

All things being equal, when is the length of SETI work units going to be
doubled (to 648k)?
As time passes there are more and more 'fast' (1 GHz +) computers.
Also, the doubling of work unit size cuts the number of work units in
half -- a huge simplification of database tracking.

It would be nice if occasionally, say once per week -- a tape was run that
looks in the 2 GHz / 5 GHz region.
The software does perhaps need some rewriting to cope with reception of
different frequencies.


  #2  
Old June 18th 05, 04:17 AM
Magic User
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On Fri, 17 Jun 2005 14:01:44 -0700, "Max Power"
wrote:

All things being equal, when is the length of SETI work units going to be
doubled (to 648k)?
As time passes there are more and more 'fast' (1 GHz +) computers.
Also, the doubling of work unit size cuts the number of work units in
half -- a huge simplification of database tracking.

It would be nice if occasionally, say once per week -- a tape was run that
looks in the 2 GHz / 5 GHz region.
The software does perhaps need some rewriting to cope with reception of
different frequencies.

I don't think computing power is the main issue here. Many parts of
the world still use dial-up. Many areas still can't get download
speeds higher than 28.8-33.6K download speeds.

Magic

  #3  
Old June 21st 05, 10:51 AM
Jan Knutar
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Max Power wrote:


It would be nice if occasionally, say once per week -- a tape was run that
looks in the 2 GHz / 5 GHz region.


The tapes most likely don't have those frequency bands right now.

I wonder if the piggyback at arecibo would be able to record those?
  #4  
Old June 21st 05, 08:39 PM
David Woolley
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In article ,
Jan Knutar wrote:
Max Power wrote:


It would be nice if occasionally, say once per week -- a tape was run that
looks in the 2 GHz / 5 GHz region.


The tapes most likely don't have those frequency bands right now.


They only have the one, 2.5MHz wide, band. I don't think there are
normally any Berkeley staff at Arecibo, who could change the loggers
data source. (Class S@H would have problems because of the different
beam width.)

I wonder if the piggyback at arecibo would be able to record those?


S@H data is recorded using the SERENDIP receivers. These have 40 2.5MHz
channels, covering 100MHz approximately (or exactly) centred on 1.42GHz.
The original plan was to cover 200MHz.

I don't believe the carriage house has any much higher frequency feeds. I
think it is mainly used at 470MHz for targetted work (probably atmospheric).

On the original subject, I believe the problem has been addressed by
having BOINC load batches of work units.

[ I've ignored the followup-to header as this, in my view, is more of a
s.a.s than an a.s.s article. ]
 




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