solar flares/magnetic flux

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Article #3181

#3181

From: Duke McMullan n5gax
Date: Mon, 25 Sep 1989 02:14

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A friend of mine heard that solar flare activity can affect local magnetic
declination by as much as +/- 5 degrees over a period of a few days.

We are curious about this, because those of us who survey caves frequently
rely on magnetic instruments, rather than more accurate but much harder to
use transits or theodolites.

Does anyone out there KNOW anything about this?

(Conjecture is fine, but please label it clearly.)


				Minding inquires know want to,
						   d

cc: Cavers' mailing list


                -- Generic Apophthegmatic Statement --
     Duke McMullan n5gax nss13429r phon505-255-4642 ee5391aa@hydra.unm.edu

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!unmvax!ariel!hydra.unm.edu!ee5391aa
From: ee5391aa@hydra.unm.edu (Duke McMullan n5gax)
Newsgroups: sci.electronics
Subject: solar flares/magnetic flux
Keywords: compass, magnetic declination, cave, survey, cave survey
Message-ID: <604@ariel.unm.edu>
Date: 25 Sep 89 02:14:15 GMT
Sender: news@ariel.unm.edu
Reply-To: ee5391aa@hydra.unm.edu (Duke McMullan n5gax)
Organization: University of New Mexico, Albuquerque, NM
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