E,
I have always held to the theory that(was pretty sure i invented it in 81 ha ha) that the iron
core is inductively heated by the plasma bath the sun emits.....not internally driven as popular belief. But either way you are measuring flux lines with a
compass. Many things can interfere locally since its such a small force(as another magnet or big ferrous metal in close proximity ). But untill the flux lines change via pole movement or distortion it should read true. I suppose a burst of
solar energy could distort the field and skew the lines of force the compass measures throwing it off a bit. But the field is complex and between the north and south poles is just a fraction of the main inductive field. And then its kind of got a
shroud where the plasma
parts around us that interacts on the leading edge of the business end. i'll find a pic(ok i think its attatched) and the link. i just got a look at it once but thats what i remember. heres a good link
USGS National Geomagnetism Program | Home another
Magnetic Declination, Models, Data and Services | ngdc.noaa.gov heres the link with the neeto data
http://hfradio.org/prop/realtime_mag...simulation.jpg Magnetic Field Simulation showing Solar Wind affect on Magnetosphere <---- It almost looks like an eye. I guess its like waves bashing your
boat... her lines stay true till they dont.
Sorry so blabby but i find it interesting...the mechanics of it all.
But i'd say to answer about the compass readings...they probably wouldnt change much unless the
compression zone on the windward side changed...that could cause a shift in the pole position. But its fairly constant. So it wouldnt affect it much. maybe about like mis-reading your declination chart? and adding a degree. Not sure how accurately the compass navigates and declination lines do change.
If a huge enough
wind hit to cause the flux lines to change
gps is going down for sure and it might even splash a
satellite or two.
I prefer using the stars but you need an accurate clock....and good sun time sense of direction.
When i get
lost i look for the big dipper.....in full pour position it spells IW..lol But i would like to see the Southern Cross and....... its a big moon tonight.
. I have seen numerous satellites, shooting stars, also saw the space shuttle silhouetted againsts a starry black sky (very cool!).
Mrs. Rain Dog~Ocean Girl
- my deer in the headlight look. Uh, you do know I am blonde right?
Yes, solar storms are more likely to interfere with GPS by taking out the 
Linear Mode
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