Differential GPS was already in widespread use in many counties by 2000, which made "selective ability" pointless at it provided automatic corrections to the 'degraded' GPS signal.
https://en.wikipedia.org/wiki/Differential_GNSS
Differential GPS was already in widespread use in many counties by 2000, which made "selective ability" pointless at it provided automatic corrections to the 'degraded' GPS signal.
https://en.wikipedia.org/wiki/Differential_GNSS