Timing & Synchronization solutions



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Space Activities
Time-frequency system of the S-Band network stations (AUSS, KRU, HBK, KER). Cesiums and rubidium redundant systems.


Synchronisation system of the ESA-CNES launch Centre in KOUROU (French Guyana) (Centre Spatial Guyanais). The main goals of this system is the synchronisation of the overall operations of the space center in distributing the critical signals to the operational sites : UT (Universal Time) , TD (countdown time) H0 (launch hour) as well as several synchronisation signals. A lot of sub-systems are user's of the synchronisation like :

- Localisation and trajectography, wich needs an accuray of 50 µs in time-stamping, and a frequency alignment better than 1E-11.

- Telemetry, opticals systems, launch groups subsystems and control centre for the management of events and activities chonology.
Time-Frequency reference subsystem for TELECOM, SPOT,INMARSAT, HISPASAT, TURKSAT,...
DIAGSAT SYSTEM : satellite release diagnostic system for ARIANE IV and ARIANE V. Telemetry acquisition and processing
Time-Frequency reference subsystem for JASON, DEMETER, SPOT,... base systems

ECBD : Hubs and HDLC frame routers for the spatial telecom network (2GHz) of the French Space Agency (CNES)
Defence activities
FREMM : (Multi-Mission Frigate) Master clock reference and on board NTP servers of the navigation/combat system
SYRACUSE : time/frequency system for the metropolitans ground stations and the mobile sheltering stations.
On board datation and synchronisation equipments
Real time Management and control of test sequences on rail experiment for missiles and aircraft engines. 100 I/O at 1 KHz
UTC and Countdown management (generation, distribution and display)
GPS synchronisation module for mobile communication (NATO)

Telecom activities
Telecom1, Telecom2 Time-frequency and management subsystem
ATM spatial link simulator for SKYBRIDGE network
HDLC frame commutation equipment for the spatial CNES network