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    Re: Revisiting A thought question
    From: Gary LaPook
    Date: 2007 Jan 02, 09:13 -0800

    You can look at the refraction table in the Air Almanac or in H.O. 249
    which have refraction corrections for various heights above seea level.
    Gary LaPook
    George Huxtable wrote:
    > After an earlier message from Guy-
    > | "Having just enjoyed a wonderful weekend at Lake Tahoe elevation of
    > | 6225 ft. I was thinking about what my height of eye would be if I were
    > | taking sites at this elevation? Not that I would be lost on the Lake
    > it is
    > | 22 miles long by 12 miles wide."
    > Bill commented-
    > | It struck me in the shower this AM I may have missed one point that
    > had been
    > | discussed a year or two ago.  That being reduced refraction in the
    > thinner
    > | air.  I don't recall the consensus--if there was one.
    > |
    > | The broadcast barometric pressure will be adjusted to sea level.  At
    > 6225
    > | feet multiply the broadcast BP by .823 for local BP.  The adjusted
    > BP will
    > | be off the almanac table, but gives you a starting point.
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