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The values you gave are for 1°13.7276'N, 103°39.0121'E, which as @Mapperz said in his comment, corresponds to 1.228793°N, 103.650201°E. The format is 2 digits for latitude (00-90 inclusive) or 3 digits for longitude (000-180 inclusive) in degrees of arc, followed by 2 digits (00-59 inclusive) for minutes of arc, followed by the decimal portion of the ...


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The course made good (CMG), similar to the speed made good (SMG, sometimes also speed over ground), is the direction a vehicle is traveling, independent of the direction the vehicle is pointing (i.e. the heading of the vehicle). It is measured as the angle from true north that you are traveling. The velocity vector of a vehicle would be the combination of ...



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