1993 · Arianespace
Astra 1B was the third of the Astra communications satellites launched and operated by SES (Société Européenne des Satellites). Arsene (Ariane Radio-Amateur Satellite Enseignement Espace) was designed and built by the French space agency CNES's radio amateur group (RACE) and carried a VHF/UHF and a UHF/S-band transponder.