Optus B1, B2, B3 - Gunter's Space Page

Aussat A1, A2, A3 / Optus A1, A2, A3 - Gunter's Space Page

Hughes / Boeing: HS-601 / BSS-601 - Gunter's Space Page

CZ-2 (Chang Zheng-2) - Gunter's Space Page

CZ-2 (Chang Zheng-2) - Gunter's Space Page

PDF) Satellite Technology Principles and Applications(2)

Ariane 5 - Wikipedia

Skoltech B1, B2 - Gunter's Space Page

ORS 2 - Gunter's Space Page

Aussat / Optus-series

Hughes / Boeing: HS-601 / BSS-601 - Gunter's Space Page