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The Gateway of Amateur Satellites for Internet Users

Run tracking program and server program. Packet translator (AD and DA converter) ... Initialize position and begin tracking user selected satellite (data given by NASA) ...

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The Gateway of Amateur Satellites for Internet Users

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    Slide 1:The Gateway of Amateur Satellites for Internet Users

    By Junsang, Bo, Suresh, Vinh

    Slide 2:Big Picture

    Slide 3:Software

    Run tracking program and server program.

    Slide 4:Modem

    Run tracking program and server program. Packet translator (AD and DA converter)

    Slide 5:UHF/VHF Radio

    Run tracking program and server program. Packet translator (AD and DA converter) Transceiver for sending/receiving data

    Slide 6:Antenna

    Run tracking program and server program. Packet translator (AD and DA converter) Transceiver for sending/receiving data 2 meter YAGI antenna

    Slide 7:Rotator

    Run tracking program and server program. Packet translator (AD and DA converter) Transceiver for sending/receiving data 2 meter YAGI antenna Motor for tracking system.

    Slide 8:RS232

    Run tracking program and server program. Packet translator (AD and DA converter) Transceiver for sending/receiving data 2 meter YAGI antenna Motor for tracking system RS232 Line for motor control

    Slide 9: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.

    Slide 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?

    Slide 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.)

    Slide 12:Current Obstacles

    Slide 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).

    Slide 14:Conclusion

    Our project can be independently implemented and tested.

    Slide 15:Conclusion

    Our project can be independently implemented and tested. Tracking System

    Slide 16:Conclusion

    Our project can be independently implemented and tested.

    Slide 17:Finish

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