The French ministries of transport and defense have planned a global navigation satellite system (GNSS)/Loran C user information day on July 1 in Paris. “The information day is open to any person who has an activity related to the use of positioning or timing/synchronization information,” said the organizers. Focus will be on Loran C as a complement of GNSS. The event is to take place at the Amphithéâtre Renard, ENSTA school, 32 boulevard Victor in the 15th arrondissement, Metro station Balard.