Magnetic Declination

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Update – Magnetic declination – accelerated rate of change.

Here is a link to the article

World Magnetic Model
Retrieved 27 Oct 2019 from ncei.noaa.gov.

How to find your magnetic declination

The NOAA declination calculator https://www.ngdc.noaa.gov/geomag/calculators/magcalc.shtml

  • Model Used: WMM2015V2
  • Hoodoo South Lodge: Latitude: 44.408226° N, Longitude: 121.871883° W
  • 2019-10-27 14.79° E  ± 0.36° changing by  0.09° W per year
08 Oct 2020
Finding your compass declination using the NOAA website. Retrieved 27 Oct 2019 from https://www.ngdc.noaa.gov/geomag/calculators/magcalc.shtml

Interested in what the declination was? https://maps.ngdc.noaa.gov/viewers/historical_declination/

Converting coordinates between systems: https://geodesy.noaa.gov/NCAT/