Quote:
Originally Posted by Wavytone
iPhone 3GS. The modern swiss army knife. To this, add the "Theodolite" app, which uses the camera to sight through to a target, gives you altitude, tilt and bearing to 0.1 degree.
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No quite there yet ...
Despite the triumph of integrated circuit fabrication that modern multi-axis
magnetometers are, the reliability in accuracy of the bearing reading in
devices employed in mobile phones such as these is typically in the order
of 1.4 degrees in each axis.
Quote:
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Magnetic compasses are so... 18th century.
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Even though the magnetic compass has probably been around since about the
2nd Century AD, today's electronic compasses still rely on the the Earth's
magnetic field.
