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    Re: Lunars: Jupiter's BIG.
    From: Fred Hebard
    Date: 2003 Dec 29, 17:43 -0500

    If the error of the chronometer were increasing exponentially, I would
    rather have the instantaneous rate than the average rate, at least once
    the acceleration in the error was out of the lag phase.
    On Dec 29, 2003, at 5:07 PM, Frank Reed wrote:
    > Fred wrote:
    > "If the rater were highly unlinear, and the functional dependence on
    > time unknown, the average rate would not be useful.  I believe George
    > was trying to point this out."
    > Yes, maybe he was. As I said though, that's not necessarily relevant
    > to navigational practice. You can get a useful rate on a chronometer
    > with any pair of longitude verifications and usually they will be
    > separated by weeks. You're not getting the instantaneous rate, but it
    > is a "practical" and useful rate, and the fact that it is an average
    > rate may well make it more useful in practice instead of less useful.
    > Frank E. Reed
    > [X] Mystic, Connecticut
    > [ ] Chicago, Illinois

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