Detailed Description
Cubesat XI-IV (pronounced Sai-Four) was launched from the Baikonure Cosmodrome into a sun-synchronous orbit approximately 832 x 817 km. Cubesat systems are:
- OBC PIC16F877 4MHz, SEL protection circuit included
- 256kbytes EEPROM data recorder
- CMOS image sensor
- Telemetry Transmitter Nishimusen 430MHz band FM FSK AX25 1200bps
- Command Receiver Nishimusen 140MHz band FM FSK AX25 1200bps
- Beacon Transmitter Nishimusen 430MHz band CW 50WPM
- Li-ion secondary battery, charged from solar cell
- Permanent magnet,Libration damper
- Sensors: Solar cell current,voltage, Battery voltage, Charge current, Cunsuming current, Temperature, RSSI
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