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Ted Sakshaug

NOAA's Geophysical Data Center - Geomagnetic Data - 4 views

www.ngdc.noaa.gov/...Declination.jsp

noaa geophysical data education sundial declination magnetic north geographic north

shared by Ted Sakshaug on 16 Dec 10 - Cached
  • Ted Sakshaug on 16 Dec 10
     
    calculator for determining magnetic declination. Needed for many things including making a sundail
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