It can be, but it can also be off by a considerable amount dependent on quality, prior abuse, metallic presence and operator ignorance. Today's serious outdoorsman invests in a quality GPS system and rarely uses a compass (in truth, many no longer have the required knowledge and skill to use this tool properly.) Modern electrouonics are exceptional devices which include pin-point accuracy which optical and electro-magnetic devices rarely achieved. The limitations that are readily apparent is the power supply and the power supplies ancillary support systems. No power means no display. Any electronic device is subject to failure, but a compass in the hands of an unskilled user is often little better then a coin-toss. If your GPS says that you are driving along at sea level or below and when you know that you are on the Pikes Peak highway, your system has failed you. When your compass says that you are facing North at sunrise and the sun rises over your left shoulder while standing on top of Pikes Peak, then, three possibilities exist: # The compass is wrong, # You read the compass incorrectly, or while napping, # Planet earth made a serious change in relationship to the Sun, Number One does and is rare except for equipment calculated by Cracker Jack's.Rare as it may sound, human ignorance and training is the likely cause. North/South polar changes may happen, but they are less frequent then manufacturing errors and stupidity.
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Area of compass: 3.14*15*15 = 706.5 square mm
a compass is called "une boussole" (fem.) in French.
A compass saw is used to make curved cuts
the compass of math is used in making arcs and circles. with the use of a compass, a person can draw an axact circle where the points on the circle are equidistant from the center.
the compass can be very accurate once the correct steps are taken when using it =) ty
Sextant and clock or compass
You use a compass to draw an accurate circle.
No compass can be accurate with steel structures in close vicinity but a GPS will do the trick
What property it uses depends on the type of compass. A magnetic compass uses magnetism. Some other compasses (which are more accurate) use the rotation of Earth itself.
a magnetic compass shows the direction of magnetic north and bearings from ita compass is also a drawing utensil in design and technology that you can use to draw accurate circles. This has been improved by Harriet webster
The fore and Aft magnets reduce the effect of the ships steel on the compass, so you get a more accurate bearing.
a magnetic compass shows the direction of magnetic north and bearings from ita compass is also a drawing utensil in design and technology that you can use to draw accurate circles. This has been improved by Harriet webster
Brunton compasses are extremely accurate. This is because they are designed as specialty tools to aid people who require very precise and accurate measurements while outdoors, such as archaeologists, geologists, and surveyors.
The North Star points towards the compass point North.
advantage it helps u know the direction of your measurement in relation to magnetic bearing disadvantage it is affected by the weather
Drawing accurate circles and part circles in surveying, mathematics and geometry in schools and at work where planning is involved.