RazakSAT has been successfully launched. Join the poll to vote whether is it really necessary for malaysian to continue with their third remote sensing satellite? Your vote is very much appreciate.

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Posted by Joy on Wednesday, July 29, 2009
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Really grateful when finally for Malaysian citizen when their second remote sensing satellite reached the orbit after almost 10 years. RazakSAT lifted off on Monday, July 13, 2009. A little bit of specs for RazakSAT grab from RazakSAT manufacturer Astronautic Technology Sdn Bhd. ww.atsb.my
SubsystemsSpecifications
Altitude685 km
Inclination9 °
Payload (MAC)GSD : 2.5 m (PAN), 5 m (MS)
Swathwidth : 20 km @ 685 km
Attitude Determination & Control Subsystem (ADCS)Three-axis stabilization based on four (reaction wheels)
Pointing Accuracy : <>
Electrical Power Subsystem (EPS)GaAs/Ge solar cells on honeycomb substrate
NiCd batteries (18 Ahr)
Peak Power Tracking (PPT) & constant current control
Solar Power : >300 W @ EOL
Command & Data Handling Subsystem (C&DH)Two on-board computers
Telemetry and command interface modules
Analog Telemetry channels : up to 90
Digital Telemetry channels : up to 120
Telecommunication Subsystem (TS)9,600 bit/s / 1,200 bit/s S-brand TT&C uplink
38.4 kbs / 9,600 bit/s / 1,200 bit/s S-brand TT&C downlink
Payload Data Management32 Gbit On-board solid-state memory
30 Mbit/s X band payload data downlink
Structure & ThermalØ1,200 x 1,200 mm Hexagonal shape
Mass : 180 kg
Modular structure
Passive & Active thermal control
Mission Lifetime> 3 Years
Congratulations on the succesful launch and reach the orbit safely.

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Posted by Joy on Tuesday, July 28, 2009
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Posted by Joy on Sunday, July 12, 2009
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