Re:Air-Traffic Control Is in the Midst of a Major Change fro...
by Johnny555 on Friday January 24, 2020 @10:39AM
(#22139157)
The government claims that they won't enable selective availability any more (which is less useful as a protective mechanism anyway since multi-protocol receivers can use GPS / Galileo / GLONASS / Beidou).
But if SA was enabled:
Before it was turned off on May 2, 2000, typical SA errors were about 50 m (164 ft) horizontally and about 100 m (328 ft) vertically
But if SA was enabled:
Before it was turned off on May 2, 2000, typical SA errors were about 50 m (164 ft) horizontally and about 100 m (328 ft) vertically
https://en.wikipedia.org/wiki/Error_analysis_for_the_Global_...