Article View: sci.space.shuttle
Article #6166Re: Spinning Shuttle
From: Mike Peltier
Date: Mon, 29 Jan 1990 06:09
Date: Mon, 29 Jan 1990 06:09
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In article <19500002@hpfipgt.HP.COM> pgt@hpfipgt.HP.COM (Paul Tobin) writes: > > Standard >procedure is for the shuttle to echo the received data back down for >comparison with the original data. This was done, but the HUMAN >operator failed to note the mismatch! Somebody was asleep at the >wheel. Why was a human relied upon to determine whether or not the data matches? That seems sorta silly, when you can just do something similar to "cat echoed_data | diff - real_data | wc -l" and test that against zero. If it's not, simply retransmit. I don't see any need for a human in that loop. -- - - - - - - - - - Michael V. Peltier | Computer Aided Engineering Network 1420 King George Blvd. | University of Michigan, Ann Arbor Ann Arbor, MI 48104-6924 | stealth@caen.engin.umich.edu
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!samsung!umich!caen.engin.umich.edu!stealth From: stealth@caen.engin.umich.edu (Mike Peltier) Newsgroups: sci.space.shuttle Subject: Re: Spinning Shuttle Message-ID: <48518e97.1766d@june.engin.umich.edu> Date: 29 Jan 90 06:09:00 GMT References: <36192@cornell.UUCP> <19500002@hpfipgt.HP.COM> Organization: University of Michigan Engineering: Ann Arbor, Michigan Lines: 19