AKM Posted August 25, 2015 Posted August 25, 2015 In all honesty, this is actually a very accurate description of how IGS works. Similar systems, Inertial Navigation Systems, have been in use for decades, and are very accurate. A nice backup to GPS for planes and ships. The trick is getting the setup right, so the system knows its initial starting point within a very small window of accuracy. Any errors will be magnified greatly as the unit moves away from its initial starting point, plus when corrections are made; they "stack up" so to speak. http://www.liveleak.com/view?i=f95_1422455171
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