Re: Geodetic precision

From: Michael McCants (
Date: Sun Aug 19 2001 - 13:54:14 PDT

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    Chris Olsson wrote:
    >By stating the geodetic basis of stated co-ordinates, we give a positional
    >indication which is almost as important as stating the epoch of
    >[an elset or] a SatObs.
    I have the impression that the factor of 100 difference between
    properly stating a 1950 or 2000 epoch for an observation and properly
    specifying a geodetic reference frame makes this dicussion about
    the latter not-at-all comparable.
    Since I am quite happy with 500 meter accuracies, I can't get
    excited by potential sources of error of 100 meters.
    So just specify lat/long to 3 decimal places and forget it.
    Mike McCants
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