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Article #16990

flux gate compass damage

#16990
From: Dan Liddell
Date: Mon, 11 Jan 1993 20:30
15 lines
950 bytes
While torturing a flux gate compass kit with a REALLY strong magnet
(within 1 or 2 inches of the Dinsmore fluxgate device), I managed to
change its idea of north to east (it points east now). 

I could have magnetized ferrous parts on the pc board and in the case
of the battery, but is there any other way I could have damaged the
flux gate device? Does it have a bias field that it must maintain that
I could have buggered with a very strong field?

I do read this group, so post or mail, depending on your extroversion
quotient. thanks.

-- 
Dan Liddell   dan@netcom.com
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Message-ID: <1993Jan11.203004.16159@netcom.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!wupost!csus.edu!netcom.com!dan

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Newsgroups: sci.electronics
Path: arc1-ca.pugleaf.net!sparky!uunet!wupost!csus.edu!netcom.com!dan
From: dan@netcom.com (Dan Liddell)
Subject: flux gate compass damage
Message-ID: <1993Jan11.203004.16159@netcom.com>
Keywords: oops, sorry, degauss?
Organization: Netcom - Online Communication Services  (408 241-9760 guest) 
Date: Mon, 11 Jan 1993 20:30:04 GMT
Lines: 15