Sentence examples for magnetic variation from inspiring English sources
noun
In navigation, at a given place and time, the horizontal angle between the true north and magnetic north measured east or west according to whether magnetic north lies east or west of true north.
According to the mathematician and physician Mark Ridley, chapter 12 of book 4 of De Magnete, which explained how astronomical observations could be used to determine the magnetic variation, was actually Wright's work.
Shows lines of equal magnetic variation.
A small magnetic compass is embodied in the instrument, and values of the magnetic variation for a number of places are given in the instructions.
Under this magnetic variation, the subjects presented a notably restless behavior not seen under other conditions.
Halley's first eclipse map, published as a 6d broadside by John Senex shortly before the event, is a prime example of Halley's use of cartography to present information clearly and effectively (as with his beautiful maps of magnetic variation and trade winds).
It detects SC analyzing morphological parameters of the magnetic variation.
Accompanying the changes in the aurora is a sequence of magnetic variations referred to as the polar magnetic substorm.
Mounted on aircraft, magnetometers like this one are able to detect magnetic variations as minute as one part in 100 million.
Furthermore, coherent magnetic variations are observed at subauroral to equatorial latitudes simultaneously with the auroral magnetic variations within a temporal resolution of 10 s.
Measurements of magnetic variations showed that, in many areas, alternating bands of rocks recording normal and reversed polarity were arranged symmetrically about mid-ocean ridges (Fig. 5).
We can show that the distribution of moisture source carrying the tritium are independent of the solar magnetic variations, and these sources did not change in the last 25 years (See Supplementary).
