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A comment on Air-Traffic Control Is in the Midst of a Major Change from Radar to GPS. Parent comment
GPS satellites will not have the hardware to do selective availability in GPS III, which are currently being launched:
* https://en.wikipedia.org/wiki/Error_analysis_for_the_Global_...
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GPS satellites will not have the hardware to do selective availability in GPS III, which are currently being launched:
* https://en.wikipedia.org/wiki/Error_analysis_for_the_Global_...