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|    rec.audio.tubes    |    Tube-based amplifiers... that go to 11    |    52,877 messages    |
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|    Message 51,609 of 52,877    |
|    Geoffrey S. Mendelson to All    |
|    Re: Building a new shortwave tube radio    |
|    13 Nov 11 11:39:03    |
      XPost: rec.radio.shortwave       From: gsm@mendelson.com              > It is much more important to know exactly how long and how well your       > satellite is going to work than to hope to get longer by using a       > technology that might last longer, but will more probably die       > unexpectedly when struck by a cosmic ray burst.              Sometimes you can not predict how long a satellite will be used. A friend of       mine worked on a civilian satellite for a defense contractor and just before       the division was sold off, cleaned out any old documents and files they had       on it.              Since the satellite he had worked on was way past its expected life (but still       in use), the contracts had long expired, the work was not classified and a       new improved one was due to be launched in a few days, he was told       to dump it all.              A few days later, the booster exploded on the pad, and the replacement       was destroyed.              The sattelite was kept running for many years, although there were no       documents on what to do or how it was built.              Geoff.       --       Geoffrey S. Mendelson, N3OWJ/4X1GM       My high blood pressure medicine reduces my midichlorian count. :-(              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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