IMMEDIATE RELEASE No. 1126-07
September 18, 2007
DoD Permanently Discontinues Procurement Of Global Positioning System Selective Availability
The Department of Defense announced today that it intends to stop procuring Global Positioning System
(GPS) satellites with the capability to intentionally degrade the accuracy of civil signals.
This capability, known as Selective Availability (SA), will no longer be present in the next generation of GPS
satellites.
Although the United States stopped the intentional degradation of GPS satellite signals by setting SA levels
to zero in May 2000, this action to permanently remove SA eliminates a source of uncertainty in GPS
performance that has been of concern to civil GPS users worldwide for some time. While this action will not
