I used compass a lot in the course of my job. I would hook one in my key chain and I have this problem that after a while, the compass went berserk opposite direction ie if the direction is west, it will show east! Someone cares to explain this? And are there any way to prevent this?
Magnetic Compass?microsoft windows xp
compasses just generally dont work well after a while. but experiments do show that electrical currents can reverse the positive and negative sides of a compass. have you gotten hit by lightning lately?
Magnetic Compass?ie 7 internet explorer
Could be the compass is trying to magnitize the key ring, and therefore, messing up the compass. Try tying it to a plastic type lace, and keep it away from metal.
If you let your compass come into contact with wires carrying DC current or with any magnetic object it will lose its magnetic orientation after some time.
The best solution is to use a pocket GPS receiver instead.
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