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    Re: dip, dip short, distance off with buildings, etc.
    From: Frank Reed CT
    Date: 2006 Jan 13, 02:58 EST

    Bill, in a PS, you wrote:
    "Sadly IMHO, does  it matter a whit when GPS is the blind King? "
    GPS is VASTLY superior to  any of this traditional navigation. It's so
    superior that it is hardly the same  animal. But never mind that! We like
    traditional navigation. But if we're gonna  "sell it" to other people, I think we need
    to do better than refer to chapter  and verse in Bowditch as if it's Scripture.
    If someone interested in learning  traditional navigation tries out Table 15
    and gets a distance that's a couple of  miles away from their known GPS
    position, it's hardly an endorsement of  traditional methods! That's one reason why
    I think it's important to get a  handle on the variability of refraction and
    its effect on these  methods.
    42.0N 87.7W, or 41.4N  72.1W.

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