The CNRS-Insu's mobile fleet of GNSS receivers, located at the Technical Division of the INSU, Meudon antenna, provides the French scientific community with about fifty instruments and their accessories for measurement campaigns all over the world, over periods of a few weeks. Between each mission the equipment is tested and reconditioned at the GNSS workshop in Meudon. Shown here in the workshop are Leica GR25 receivers (in green) with their Leica AS10 antenna in front, and Trimble Zephyr antennas can be seen on the upper right shelves, as well as Ashtech Chokering metal antennas on the upper left shelves.This park is one of the mobile instrumentation components (GPSmob) of the French seismological and geodetic network Résif.Résif is a nat...