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A compass is made to point at relative north not exact north. Relative north is a place inGreenland where there is a strong magnetic pull, and because of weathering and changes in the earth it moves every so often. Exact north is in outer space and is the north star. However it is obviously not magnetic therefore there are not magnetic compasses that point to exact north. Digital compasses such as ones you could find on cell phones or other GPS devices are probably the best thing to use if you are trying to go exact north otherwise a regular compass is good enough for directions and scouting.
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What are the advantages and disadvantages of gyro compass?
The disadvantages of using a compass for surveying is that readings are often inaccurate (accuracy dependent on size and graduations of compass, it is easily disturbed by effects of local magnetic attraction
What are some of the disadvantages of having an auto compass?
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by using a ruler and a compass
What is the word for using a compass?
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Why might an inexperienced explorer get lost using a compass?
by looking at the compass the wrong way or maybe using it wrong
Can you find longitude using a compass?
No
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what are the advantages and disadvantages of using a heligimbal
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An angle of 65° can not be trisected using a compass and straight edge.
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no disadvantages
What are some disadvantages of using loudspeakers?
disadvantages
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