Background Information on GPS Week Number Rollover

Notice to All Mariners Who Use GPS Equipment
U.S. Coast Guard Navigation Center
 

"GPS Week Number to Rollover"
Schriever Air Force Base
 

Memorandum for U.S. Owners and Operators Using GPS to Obtain UTC Time
U.S. Department of Homeland Security
 

GPS Week Number Rollover on April 6, 2019
GPS.gov
 

Time — The Invisible Utility (Corporate Level Info Sheet)
U.S. Department of Homeland Security