It was the first of nineteen Block IIA GPS satellites to be launched, and was the oldest GPS satellite still in operation until its decommissioning on 25 January 2016.

This change occurred when the oldest vehicle, SVN 23, was removed from the constellation. While the core navigation systems were working normally, the coordinated universal time timing signal was off …

GPS Satellite Vehicle Number (SVN) 23 launched in 1990 was retired from service in January 2016. It had occupied Pseudo-Random Noise (PRN) sequence 32 since 2008.

This paper discusses the technical reasons for the UTC offset anomaly, its effect on clocks controlled by GPS satellites (hereafter referred to as GPS clocks), and how it was detected at the National Institute …

It was the first of nineteen Block IIA GPS satellites to be launched, and was the oldest GPS satellite still in operation until its decommissioning on 25 January 2016.

Jan 28, 2016 · "An error of 13 microseconds or 13,000 nanoseconds works out as just under four kilometres." The United States Air Force confirmed that the GPS anomaly was caused by the SVN …

Jan 28, 2016 · This change occurred when the oldest vehicle, SVN 23, was removed from the constellation. While the core navigation systems were working normally, the coordinated universal …

According to the US Air Force (USAF), which manages the GPS satellite network, problems began when a satellite named SVN 23 was decommissioned. A USAF spokeswoman confirmed that the error had …

The U.S. Air Force’s 2nd Space Operations Squadron (2SOPS) at the 50th Space Wing, Schriever Air Force Base, Colorado, has moved the longest-serving GPS satellite, space vehicle number (SVN) …

Feb 2, 2016 · “The outages were caused by a rogue GPS satellite (SVN23), which was taken out of service in the evening of January 26,” said a BBC spokesperson. The BBC also reports that “several …