Next message: Frank Reed: "Re: Historical Magnetic Variation/Declination"
Brooke C wrote:
"I'm not sure what yo mean by "regions of high field inclination"."
Regions close to the magnetic poles where the field lines are nearly
vertical. If you have a multipolar field, like the sort of field you might have during
a polarity reversal, then you will have a number of poles scattered around
the globe possibly in places that would be inconvenient.
Since you certainly seem to know your sensors (I enjoyed your web page very
much), in this "what-if" scenario where the field becomes multipolar, could one
design a magnetic compass that would yield useful directional information
(like standard compass bearing) even very close to a magnetic pole? If you had to
cross an ocean where a magnetic pole is right in the middle of your
trackline, could you have a compass that would yield useful information all the way
across?
Frank R
[ ] Mystic, Connecticut
[X] Chicago, Illinois
