Gauteng is ( Magnetic declination: -18° 41' )
Cape Town (dorpie
![Bad day (**)](./images/smilies/billcat.gif)
![Blahblah ($$)](./images/smilies/blahblah.gif)
If you look at this site ( Please look here )
http://www.magnetic-declination.com
the Magnetic field strength is : 26621.0 nT
Up in Africa is Cairo : 43707.1 nT
so it goes up ( north ) : 56~ nT ( N)
Question ( How on EARTH is it possible that the Magnetic field strength can very
on earth???