I have been pricing these lately, and they sell one for Northern and one for
Southern hemi. They must know more than I do about this, so I figure there
is a good reason for it. Maybe it is just the deviation factor that is
different and they build some of it into the compass. I think Colin
menti
"An interesting detail is that there are northern- and southern-hemisphere
compasses. This has to do with the fact that the magnetic field lines, to
which a compass needle aligns, point into the earth at the north and south
magnetic poles. In the northern hemisphere the north end of the needle
Ken:
What you are saying is that it is "Dip Correction" that is the problem and
that I might accept as I can see how it might interfere with the free swing of
the needle, something that I am certain commercial aircraft compasses have
accomodated by using a more expensive design. Lets face it the
subjects.
Mark Jones (N886MJ)
Wales, WI
Visit my web site: www.flykr2s.com
E-mail: flyk...@wi.rr.com
- Original Message -
From: "D F Lively"
To: "KRnet"
Sent: Tuesday, August 08, 2006 5:45 PM
Subject: Re: KR> Precision Vertical Card Compass - Northern VS Souther
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