GPS signals in the Western US may be jammed due to testing conducted by the US Department of Defense. There are no references to the specific types of tests but the area of impact, dates, and times of the tests are listed below.

Users of TURN GPS and other GPS services are advised to pay careful attention for any GPS outages or anomalies on these dates and times. Please try to schedule critical GPS usage on alternative dates.

GPS Jamming Affected Locations

Please feel free to share your findings with the State of Utah UGRC.

Testing Dates and Times

Date Time
JUNE 7, 2016 16:30 – 22:30
JUNE 9, 2016 16:30 – 22:30
JUNE 21, 2016 16:30 – 22:30
JUNE 23, 2016 16:30 – 22:30
JUNE 28, 2016 16:30 – 22:30
JUNE 30, 2016 16:30 – 22:30