The US claim that since 2008 they've been launching GPS satellites without selective availability capabilities.
That means 27 of the current working GPS satellites are older ones which do have SA which could be switched back on at any time, and 12 are newer allegedly non-SA equipped satellites.
Comments
This probably still mostly true.
The US claim that since 2008 they've been launching GPS satellites without selective availability capabilities.
That means 27 of the current working GPS satellites are older ones which do have SA which could be switched back on at any time, and 12 are newer allegedly non-SA equipped satellites.