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11 September 2011 8:42
Jon Phipps
11 September 2011 4:42
Jon Phipps

Detail

description
Azimuth measure point longitude (longitude of the map projection origin) when subfield $a contains the text Oblique Mercator. It contains a straight vertical longitude from pole (a longitude to be oriented straight up from the North or South Pole) when $a contains Polar stereographic. Vertical coordinate system. Altitude.
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