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    Re: Making an artificial horizon, and leveling thereof
    From: Alan S
    Date: 2011 Jan 22, 20:48 -0800

    Gary:

    Here in Western PA, in late January, it's often cold, though recently The Weather Gods and or Goddesses have gone a bit wild, to much of the proverbial "good thing".

    BTW, while at this time of the year, the water in one's AH might freeze, we don't worry about earthquakes.

    The "sigma" numbers you mention, a statistics term that I do not understand, though I assume it references "error" being a small seeming number, must mean that your shots were pretty good, right? Think that after the next "big one", that the scientists fortell as "coming", they cannot say when, will end up with realtors peddling "ocean front propertry" in Arizona and or Nevada?

    Later.

    Alan
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