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The Gateway of Amateur Satellites for Internet Users

The Gateway of Amateur Satellites for Internet Users. By Junsang, Bo, Suresh, Vinh. Big Picture. amateur satellite. antenna with rotator base. UHF/VHF Radio. modem. computer. RS232 Cable. Software. amateur satellite. antenna with rotator base. UHF/VHF Radio. modem. computer.

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The Gateway of Amateur Satellites for Internet Users

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  1. The Gateway of Amateur Satellites for Internet Users By Junsang, Bo, Suresh, Vinh

  2. Big Picture amateur satellite antenna with rotator base UHF/VHF Radio modem computer RS232 Cable

  3. Software amateur satellite antenna with rotator base UHF/VHF Radio modem computer RS232 Cable Run tracking program and server program.

  4. Modem amateur satellite antenna with rotator base UHF/VHF Radio modem computer RS232 Cable Packet translator (AD and DA converter) Run tracking program and server program.

  5. UHF/VHF Radio amateur satellite antenna with rotator base UHF/VHF Radio modem computer RS232 Cable Transceiver for sending/receiving data Packet translator (AD and DA converter) Run tracking program and server program.

  6. Antenna amateur satellite antenna with rotator base UHF/VHF Radio modem computer RS232 Cable 2 meter YAGI antenna Transceiver for sending/receiving data Packet translator (AD and DA converter) Run tracking program and server program.

  7. Rotator amateur satellite antenna with rotator base UHF/VHF Radio modem computer RS232 Cable 2 meter YAGI antenna Transceiver for sending/receiving data Packet translator (AD and DA converter) Run tracking program and server program. Motor for tracking system.

  8. RS232 amateur satellite antenna with rotator base UHF/VHF Radio modem computer RS232 Cable 2 meter YAGI antenna Transceiver for sending/receiving data Packet translator (AD and DA converter) Run tracking program and server program. Motor for tracking system RS232 Line for motor control

  9. amateur satellite GASIU™ User point-of-view • All equipments will use lower power (car battery…). • User connect GASIU™ to laptop and to antenna. • Launch tracking software. Initialize position and begin tracking user selected satellite (data given by NASA). • Software go through self diagnostic (send/receive test data frame to satellite). • Pop green GUI bubble on client laptop.

  10. Hardware • Computer (preferably a laptop or something portable) • 9600 bps modem (custom firmware on existing circuits, customized modem on FPGA) • UHF/VHF Radio (off the shelf components) • YAGI antenna • Motor and controlling circuit for antenna base (X,Y,Z axis) • Power supply to power all components except for the computer. Car battery? UPS unit?

  11. Software • User interface for sending/receiving data. • Satellite tracking software (use NASA J-track database). • Motor control and self diagnostic utilities. • Server software (http, ftp, etc.)

  12. Current Obstacles

  13. Current Obstacles • Inexperience with satellite communication. • Example: Whether we can send data and receive our sent data before satellite go below the horizon. • Response time of tracking system for acceptable tracking error margins. • Noises (circuit, atmospherics, etc).

  14. amateur satellite Tracking System antenna with rotator base RS232 Cable computer Conclusion • Our project can be independently implemented and tested.

  15. amateur satellite antenna with rotator base RS232 Cable Com Link antenna with rotator base UHF/VHF Radio computer Conclusion • Our project can be independently implemented and tested. Tracking System

  16. amateur satellite Tracking System antenna with rotator base RS232 Cable Com Link Up/Down link antenna with rotator base UHF/VHF Radio modem computer computer Conclusion • Our project can be independently implemented and tested.

  17. Finish

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