1. Optus D2 scheduled to launch in 2007 on an Ariane 5; will be co-located with Optus Cl at 156° E. 2. Orbital Sciences is building Optus D3; will launch in 2009 and be co-located with Optus Cl and D2 at 156° E. 3. Optus Dl launched in October 2006; existing Optus Bl customers transferred to the Dl at 160° E.
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