vailable to all; there is no charge for access. On the other hand, until early 2000 what was called selective availability, or SA, was embedded in the technology. Originating as a military application, GPS technology had a high degree of accuracy meant to benefit the American military navigational and mission-control apparatus. SA essentially jammed or skewed GPS results by up to several hundred meters in civilian technology. The dramatic proliferation of dual-use (military and civilian) applications for GPS technology does not seem to hav
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