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Other features found on modern orienteering compasses are map and romer scales for measuring distances and plotting positions on maps, luminous markings on the face or bezels, various sighting mechanisms (mirror, prism, etc.) for taking bearings of distant objects with greater precision, gimbal-mounted, "global" needles for use in differing hemispheres, special rare-earth magnets to stabilize compass needles, adjustable declination for obtaining instant true bearings without resorting to arithmetic, and devices such as inclinometers for measuring gradients. [17] The sport of orienteering has also resulted in the development of models with extremely fast-settling and stable needles utilizing rare-earth magnets for optimal use with a topographic map, a land navigation technique known as terrain association. [18] Many marine compasses designed for use on boats with constantly shifting angles use dampening fluids such as isopar M or isopar L to limit the rapid fluctuation and direction of the needle. [19] Creak, W.H. (1920). "The History of the Liquid Compass". The Geographical Journal. 56 (3): 238–239. doi: 10.2307/1781554. JSTOR 1781554.
By the 15th century, explorers realized the “north” indicated by a compass was not the same as Earth’s true geographic north. This discrepancy between magnetic north and true north is called variation (by mariners or pilots) or magnetic declination (by land navigators) and varies depending on location. Variation is not significant when using magnetic compasses near the Equator, but closer to the North and South Poles, the difference is much greater and can lead someone many kilometers off-course. Navigators must adjust their compass readings to account for variation. Singapore seeks to anchor and grow firms that can contribute to the innovative capacity of our economy, enhance our global linkages, and strengthen our economic competitiveness. Such firms should also have the scale or potential to provide good jobs for locals. How to earn points Strategic Economic Priorities (SEP) bonus S on the micro:bit. basic.forever(function() {Originally, many compasses were marked only as to the direction of magnetic north, or to the four cardinal points (north, south, east, west). Later, these were divided, in China into 24, and in Europe into 32 equally spaced points around the compass card. For a table of the thirty-two points, see compass points.
loop. basic.forever(function() { W on the micro:bit. basic.forever(function() { Outcome: The candidate does not meet expectations on the salary criterion, but his nationality improves the diversity of the organisation. His application still scores 40 points and passes. Seidman, David, and Cleveland, Paul, The Essential Wilderness Navigator, Ragged Mountain Press (2001), ISBN 0-07-136110-3 variables:degreesLudwig, Karl-Heinz and Schmidtchen, Volker (1997) Metalle und Macht: 1000 bis 1600, Propyläen Technikgeschichte, Berlin: Propyläen Verlag, ISBN 3-549-05633-8 A modern military compass, with included sight device for aligning A military compass that was used during World War I
There are other ways to find north than the use of magnetism, and from a navigational point of view a total of seven possible ways exist [37] (where magnetism is one of the seven). Two sensors that use two of the remaining six principles are often also called compasses, i.e. the gyrocompass and GPS-compass. Gubbins, David, Encyclopedia of Geomagnetism and Paleomagnetism, Springer Press (2007), ISBN 1-4020-3992-1, 978-1-4020-3992-8 input:compass headingAnother error of the mechanical compass is the turning error. When one turns from a heading of east or west the compass will lag behind the turn or lead ahead of the turn. Magnetometers, and substitutes such as gyrocompasses, are more stable in such situations. These criteria ensure that organisations eligible for the SEP bonus points make efforts to diversify and improve their workforce profile. Exemptions from COMPASS Candidate’s fixed monthly salary is within the 65 th to less than 90 th percentile compared to local PMET salaries for sector by age
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