position accuracy

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• position dilution of precision — The geometric effect resulting from satellites being too close together. Satellites that appear farther apart in the sky provide a more accurate position solution than ones close together. In the latter case, the position accuracy is degraded in… …   Aviation dictionary

• Position error — is one of the errors affecting the systems in an aircraft for measuring airspeed and altitude. [Kermode, A.C., Mechanics of Flight , 10th Edition – page 65] [”Of these errors the error in detection of static pressure is generally the most serious …   Wikipedia

• Accuracy and precision — In the fields of science, engineering, industry and statistics, accuracy is the degree of closeness of a measured or calculated quantity to its actual (true) value. Accuracy is closely related to precision, also called reproducibility or… …   Wikipedia

• Accuracy International Arctic Warfare — Infobox Weapon name= Accuracy International AW caption= origin=flagcountry|United Kingdom type=Sniper rifle is UK=yes is ranged=yes service=1982 (L96A1), 1988 (AW), 1990 (psg90) Current used by= See Users and civil users wars=Afghanistan War,… …   Wikipedia

• Position micrometer — Micrometer Mi*crom e*ter, n. [Micro + meter: cf. F. microm[ e]tre.] An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given… …   The Collaborative International Dictionary of English

• Committee for Accuracy in Middle East Reporting in America — Formation 1982 by Winifred Meiselman Type Non profit NGO …   Wikipedia

• most probable position — The most accurate estimate of position where an element of doubt exists as to the true position. The accuracy of the MPP is greatly dependent on the accuracy of the involved position lines, as well as the time since the last fix. The MPP may be… …   Aviation dictionary

• Serial position effect — Graph showing the serial position effect. The vertical axis shows the percentage of words recalled; the horizontal axis shows their position in the sequence. The serial position effect, a term coined by Hermann Ebbinghaus through studies he… …   Wikipedia

• Fix (position) — A position fix or simply a fix is a term used in position fixing in navigation to describe a position derived from measuring external reference points. The term is generally used only with manual or visual techniques such as the use of… …   Wikipedia

• Star position — The position of stars on the sky are defined by a couple of angles, similar to the geographic latitude and longitude. These two angles which refer to the celestial equator are called Declination (abbrev. δ or Dec ) and Right ascension ( α or RA ) …   Wikipedia

• astronomical position — i . A point on the earth whose coordinates have been determined as a result of observation of celestial bodies. The expression is usually used in connection with position on land determined with great accuracy for survey purposes. ii. A point on… …   Aviation dictionary