| >Magnetic declination is not the same thing as magnetic deviation. I think
| >you guys are talking about deviation from true North, whereas mag
| >declination is the vertical angle the field lines make going
| into the Earth,
| >and that varies by latitude.
| Declination, not magnetic declination, is the bearing of a
| celestial body
| from the observer. When coupled with elevation, a line of position can be
| obtained, Cross two or better three, lines of position and you have a
| geographic location or "fix". Talk to a navigator and you will understand.
Not to be confused with right ascension...which has nothing to do with
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