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From: holden@oddjob.uchicago.edu (Bradford Holden)
Subject: Re: Saving 100GB of data for 15 years cheaply
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References: <3vtejh$mg@nntp.ucs.ubc.ca> <grunes.301.807838315@news.nrl.navy.mil>
Date: Tue, 8 Aug 1995 00:54:37 GMT
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Xref: glinda.oz.cs.cmu.edu sci.data.formats:1134 sci.astro:97709 sci.image.processing:16331 sci.astro.fits:1157 sci.physics.accelerators:1565

In article <grunes.301.807838315@news.nrl.navy.mil> grunes@news.nrl.navy.mil (Mitchell R Grunes) writes:
>In article <3vtejh$mg@nntp.ucs.ubc.ca> keith@msmri.med.ubc.ca writes:
>>I need to save several hundred gigabytes of medical imaging data on a cheap 
>>reliable media.  We are currently saving the data to 10GB 8mm Exabyte tapes.
>>This is cheap but is only good for about 1 year.  Does anyone have any better
>>suggestions?
>
>I guess saving imagery on film sounds ridiculous, doesn't it?  Surely
>no one would do such a thing?

Oddly enough large numbers of astronomers do this.
Film however, has some disadvantages.  It doesn't have a great dynamic range
(though fairly good for some of them) its not machine readable (unless you 
build a machine to do it), it has a nonlinear response, and its hard to make
good quality copies cheaply.  

>
>(-:
>
>(Some films have fairly long lives, it's cheap, and it doesn't require 
>specialized and soon-outdated hardware to read.  It's even obvious.)
>
>-------------------------------------------------------------------------
>  Opinions are mine alone.
>  I am not a "Real Programmer".  I only program in the Real World.
>  Mitchell R Grunes (grunes@nrlvax.nrl.navy.mil)
>  AlliedSignal Technical Services Corp.
>


-- 
Bradford "PROS is evil" Holden 

gradual student at the University of Chicago
