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  1. Magnetic Declination (Variation) | NCEI

    Magnetic 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.

  2. DECLINATION Definition & Meaning - Merriam-Webster

    The meaning of DECLINATION is angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles. How to use declination in a sentence.

  3. Declination - Wikipedia

    In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.

  4. What is declination? | U.S. Geological Survey - USGS.gov

    What is declination? At most places on the Earth's surface, the compass doesn't point exactly toward geographic north. The deviation of the compass from true north is an angle called "declination" (or …

  5. DECLINATION | definition in the Cambridge English Dictionary

    Declination is essentially the difference between true north and magnetic north.

  6. DECLINATION definition and meaning | Collins English Dictionary

    All holes were drilled at between approximately -45 to -50 degree declinations. The second drill hole was drilled at a declination of -75 degrees. He was as baffled as I about the FBI's declination of the State …

  7. Magnetic Declination Calculator

    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, …

  8. Declination | Celestial Coordinates, Celestial Sphere & Equinoxes ...

    Declination, in astronomy, the angular distance of a body north or south of the celestial equator. Declination and right ascension, an east-west coordinate, together define the position of an object in …

  9. DECLINATION Definition & Meaning | Dictionary.com

    Declination involves the measurement of the position of such objects as being north or south of the celestial equator. Those north of the celestial equator are measured in positive degrees, and those …

  10. Magnetic declination - Wikipedia

    Magnetic declination (also called magnetic variation) is the angle between magnetic north and true north at a particular location on the Earth's surface. The angle can change over time due to polar wandering.