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<P>I am surprised by the fact that such critical system like air control are still using the vacuum tube technology. What does it mean? Does it mean that all the "good" technology was invented years back and that the new technology just fashion?</P>
<P>EK<BR><BR></P></DIV>
<DIV></DIV>>From: "Keith Mastin" <KMASTIN-KEsmh5Q2810MZlUobE0yKQ@public.gmane.org>
<DIV></DIV>>Reply-To: tlug-lxSQFCZeNF4@public.gmane.org
<DIV></DIV>>To: <TLUG-heywdzOyQxM@public.gmane.org>
<DIV></DIV>>Subject: Re: [TLUG]: SCO.com and Caldera.com dead
<DIV></DIV>>Date: Thu, 18 Sep 2003 19:49:04 -0400 (EDT)
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>> > Keith Mastin wrote:
<DIV></DIV>> >
<DIV></DIV>> >> I picked up the bit of trivia on the radio one night (I know, I know).
<DIV></DIV>> >> Seems that the cost of replacing the entire system (which they would
<DIV></DIV>> >> have to apparently) is less than replacing the parts. IIRC, their
<DIV></DIV>> >> supplier only has one customer... them.
<DIV></DIV>> >
<DIV></DIV>> > Cosidering some of the things I've heard on the radio, they're really
<DIV></DIV>> > not much of an authoritative source. There have been a few articles
<DIV></DIV>> > over the years about aging aviation systems, but they weren't that old.,
<DIV></DIV>> > dating back to the '60s or '70s Also, consider what a vacuum tube
<DIV></DIV>> > computer is capable of doing, compared with any personal computer build
<DIV></DIV>> > in the past 20 years. There's no way they'd be doing much.
<DIV></DIV>>
<DIV></DIV>>Just processing radar and flight information is my guess. They have to
<DIV></DIV>>replace the entire infrastructure to accomodate newer technology, plus
<DIV></DIV>>programming and training, replacing servers, clients, etc... while the old
<DIV></DIV>>technology still works. Why go through the expense of upgrading? At least,
<DIV></DIV>>that was the gist of what I got out of it.
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>>--
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