space qualified and cost effective antennas for data or image transmission, positionning, telemetry and radar transponders. X-band directive antennas for Earth observation (such as for Spot satellites) UHF + S-band omnidirectional antennas for DORIS high precision orbitography and ground beacon positionning. Already in use on Topex-Poseidon, Jason, Envisat and SPOT satellites. Data transmission antennas for Mars planet missions Various GPS antennas (HETE, STENTOR...) Radar transponders for all Ariane launch vehicles. UHF, L, S, C...