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    approximately -7° 8'
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    The magnetic declination in Portland, Oregon is approximately -7° 8', which means it is negative (westward deviation from true north) 1. The inclination is approximately 68° 2', and the magnetic field strength is 52619.1 nT 1. The declination ranges between 14 degrees east at the southeastern corner of the state to 19 degrees at the northwestern corner 2.

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  3. Magnetic Declination in Oregon, USA

     
  4. Magnetic Declination (Variation) | NCEI - National …

    WEBMagnetic declination, sometimes called magnetic variation, is the angle between magnetic north and true north. Declination is positive east of true north and negative when west. Magnetic declination changes over time …

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  5. Find the correct declination for anywhere — Alpinesavvy

    WEBNov 17, 2018 · Good news: it's easy to find the current and correct declination for any place on earth. Just go to: magnetic-declination.com. …

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    • NCEI Geomagnetic Calculators - National Oceanic and …

    • How to Adjust Compass Declination | REI Expert Advice - REI Co-op

    • NOAA Mobile Magnetic Declination Calculator - National Oceanic …

    • Magnetic Declination Calculator

      WEBMay 26, 2024 · The magnetic declination calculator tells you the difference between true north and magnetic north at your location. We use magnetic declination for many applications, including navigation, orienteering, …

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    • Magnetic Declination | National Centers for Environmental …

    • Historical Declination Viewer - National Centers for …

      WEBExplore how Earth's magnetic field has changed over time and space with this interactive map of historical declination data.

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    • Magnetic anomaly map of North America | U.S.

      WEBJan 1, 2002 · The North American magnetic anomaly map derived from the digital database provides a comprehensive magnetic view of continental-scale trends not available in individual data sets, helps link widely …

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      • Portland Oregon

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