Re: Accurate Lat/Long Info

From: Ralph McConahy (
Date: Mon Jun 05 2000 - 19:04:43 PDT

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    >> I don't know if you already know about it but I found this site:
    >Unfortunately, the coordinate system is NAD-27 which is
    >displaced by tens of meters from WGS-84 (the system used
    >by SGP/SDP4), rendering those last three decimal places
    For U.S. users (and many cities in Europe) try
    This site has recently added aerial photos for the full U.S.
    After zooming in on your observation location, click "Image Information" on
    the left for a Lat/Long grid. You should be able to interpolate to within
    0.0001 degrees. Clicking "Topo" will allow some degree of accuracy for
    location altitude.
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