In 2003, Optus successfully launched the world's largest hybrid commercial and military communications satellite Optus C1, together with the Australian Defence Forces. Optus C1 is the Australian hotbird with twenty four commercial Ku-band transponders operating in beams covering Australia, New Zealand, the nearby offshore islands, Papua New Guinea, Hawaii and South East Asia. Optus C1 carries subscription TV services and Aurora Free-to-Air radio and television services to remote areas in Australia.
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Satellite |
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Satellite Type: |
Loral FS1300 |
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Launch Mass: |
4,800 kg |
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Mass in Orbit: |
2,000 kg |
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Stablisation: |
3-Axis |
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Dimensions: |
8.2 metres high x 24.9 metres with solar arrays deployed |
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Transponders |
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Operating Bands: |
Ku FSS + Defence |
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Uplink Frequencies: |
Ku FSS: 14.0 - 14.5 GHz |
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Downlink Frequencies: |
Ku FSS: 12.25 - 12.75 GHz |
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Number of Transponders: |
Ku-Band: 24 @ 110 watts |
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Bandwidth: |
Ku-Band: 8 @ 72 MHz, 16 @ 36 MHz |
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Polarisation: |
Linear (Ku-Band) |
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Performance |
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EIRP: |
Ku: Australia/New Zealand: 40 to 51 dBW Asia: 45 to 53 dBW |
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G/T: |
Ku: Australia/New Zealand: -4 to +6 dB/K Asia: 0 to +8 dB/K |
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SFD: |
-78 to -98 dBW/m2 |
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Solar Array Power: |
10.6 kilowatts |
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Telemetry: |
Ku-Band |
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Command: |
Ku-Band |
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