Article View: sci.space
Article #8593Re: GEOS-6 dies.
From: WARMINK
Date: Thu, 09 Feb 1989 15:01
Date: Thu, 09 Feb 1989 15:01
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In article <1989Feb9.013228.965@utzoo.uucp>, henry@utzoo.uucp (Henry Spencer) writes:
> As I recall, it's part of a sensor that encodes the position of rotating
> parts in the satellite's scanner system. Those bulbs are a notorious
> reliability problem that is being designed out of more recent satellites;
There must be a good reason why LEDs weren't used - 6 years plus isn't that
long ago...anybody know why not?
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!rochester!rutgers!att!whuts!sw From: sw@whuts.ATT.COM (WARMINK) Newsgroups: sci.space Subject: Re: GEOS-6 dies. Summary: Light bulb? Message-ID: <5352@whuts.ATT.COM> Date: 9 Feb 89 15:01:36 GMT References: <AXrTkzy00UkZI0RUwa@andrew.cmu.edu> <14215@cup.portal.com> <1989Feb9.013228.965@utzoo.uucp> Organization: AT&T Bell Laboratories, Whippany NJ Lines: 13