Description:
Satellite navigation systems, especially GPS.
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"Great Ellipse" Or "Elliptic Great Circle"?
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The shortest distance, the "geodesic", on a sphere is along a great circle. On an oblate spheroid (a>b), long lines slide towards the poles as that is the shortest path. Take a globe and tilt it down so that the polar vertex is at the equator level: The transverse lines of longitude define great circles... more »
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High-precision GPS marlet to reach $6-8 Billion by 2012
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The world-wide high-precision GPS market is forecast to rise from US$3 Billion in 2008 to US$ 6-8 Billion by 2012 according to a new report by Position One Consulting in conjunction with Eric Gakstatter, Contributing Editor to GPS World magazine. The report includes global trends, demand and applications for high-... more »
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Postings to sci.geo.satellite-nav
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Postings to sci.geo.satellite-nav (SA was turned of on May of 2000) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1994 319 332 227 293 238 363 414 377 376 316 1995 401 364 564 684 855 942 1071 1222 950 697 641 864 1996 1264 1423 1071 1370 1444 1553 1948 1534 1412 1300 1311 1500... more »
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NEW VERSION OF GPS SPS PERFORMANCE STANDARD RELEASED
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October 7, 2008 NEW VERSION OF GPS SPS PERFORMANCE STANDARD RELEASED The freshly signed new version of the "GPS SPS Performance Standard, 4th Edition September 2008" is up on the NAVCEN website under the GPS section. It is atop the GPS General References section at [link]... more »
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