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The Gateway of Amateur Satellites for Internet Users

This guide outlines the essential components and processes for setting up an amateur satellite communication system. It covers the required hardware, including UHF/VHF radios, YAGI antennas, and tracking systems, along with software strategies for satellite tracking and data transmission. Users will learn how to connect equipment, initialize tracking software, and run diagnostics to ensure reliable communication with satellites. By following this guide, even beginners can develop their own amateur satellite stations and confidently engage in satellite-based projects.

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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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