Subject: North Pole, magnetism, compass, GPS, etc. Newsgroups: sci.geo.satellite-nav Date: Fri, 22 Nov 2002 06:44:39 -0800 Prompted by discussions in another thread in this group, here's some info about the North Magnetic Pole, Declination, and the effects of SpaceWeather. Magnetic Declination (What do you mean "North isn't North") http://www.geolab.nrcan.gc.ca/geomag/e_magdec.html form to calculate magnetic declination: http://www.geolab.nrcan.gc.ca/geomag/e_cgrf.html Tracking the North Magnetic Pole: http://www.geolab.nrcan.gc.ca/geomag/e_nmpole.html SpaceWeather - Effects on Technology/Geomagnetic Hazards: http://www.spaceweather.gc.ca/effects_e.shtml SpaceWeather effects on GPS: http://www.spaceweather.gc.ca/effectsgps_e.shtml