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Communicating with the International Space Station

Flagler County Schools and Flagler-Palm Coast Amateur Radio Club. Communicating with the International Space Station. Target Week of 12-Nov-2012. W4FPC and the Community. W4FPC - oldest Amateur Radio Club in Flagler Mostly Retired Technical Professionals

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Communicating with the International Space Station

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  1. Flagler County Schools and Flagler-Palm Coast Amateur Radio Club Communicating with the International Space Station Target Week of 12-Nov-2012

  2. W4FPC and the Community • W4FPC - oldest Amateur Radio Club in Flagler • Mostly Retired Technical Professionals • Focusing on Education for Students, Scouts • Strong Emphasis on Emergency Services • National Amateur Radio Emergency Services program • Flagler Emergency Management (EOC – Troy Harper) • The EMCOMM-1 Vehicle belongs to a club member • Well documented in the Media

  3. W4FPC and the Community

  4. W4FPC and the Community

  5. International Space Station (ISS) • Continuously inhabited for over 11 years • Amateur Radio is the last, backup comms as on Earth, “when all else fails” • Orbits between 205-225 miles altitude • Inclination of 51.6 degrees • Speed of 17,227 mph with 15.5+ orbits/day • Length of pass is about 9-10 minutes

  6. International Space Station (ISS)

  7. International Space Station (ISS)

  8. International Space Station (ISS)

  9. International Space Station (ISS)

  10. International Space Station (ISS)

  11. Amateur Radio on the ISS (ARISS)

  12. Ground Station Requirements • Two Full Stations – Complete Redundancy • Primary must have computer controlled antennas • Receiver Pre-Amp and Transmit power of 75W • Equipment requires approval from NASA • Complex requirement for 2-way contact • Will Require extensive testing • Final Set-up 1-week prior

  13. Ground Station Requirements

  14. Ground Station – Pass Schedule MacDoppler Predictions: ISS Kep Set: 3 Times: Local Time Location: Daytona Beach FL USA Latitude: 29.2122 Degrees Longitude: -81.0194 Degrees Elevation: 0.0 Meters Run on: 2012/07/28 19:17:21 US/Eastern Date Time Azimuth Elevation --------------------------------------------- Aos: 2012/11/12 13:06:27 328.5 0.0 Max: 2012/11/12 13:11:44 47.3 25.2 Los: 2012/11/12 13:16:36 113.4 -0.0 Aos: 2012/11/13 13:48:47 309.4 0.0 Max: 2012/11/13 13:54:23 209.5 40.9 Los: 2012/11/13 13:59:14 150.4 -0.0 Aos: 2012/11/14 12:54:52 318.8 0.0 Max: 2012/11/14 13:00:28 83.7 65.0 Los: 2012/11/14 13:05:30 133.2 -0.0 Aos: 2012/11/15 12:01:08 327.1 0.0 Max: 2012/11/15 12:06:45 58.3 27.5 Los: 2012/11/15 12:11:25 116.3 -0.1 Aos: 2012/11/15 13:37:46 295.7 0.0 Max: 2012/11/15 13:42:44 227.3 15.2 Los: 2012/11/15 13:47:05 172.1 -0.0

  15. Ground Station – Site Selection

  16. Ground Station – Site Selection X X

  17. Ground Station – Site Selection 25 27 15 12 65 14 15 15 13 40

  18. Ground Station Requirements

  19. Ground Station Requirements

  20. Training Groups • Group #1 • Start with VHF Antenna Assembly Training • then Rotator / Tracking Training • Group #2 • Start with Rotator / Tracking Training • then VHF Antenna Assembly Training

  21. Antenna Assembly • Assemble/Test 2m Cross Polarized Antenna • Assemble antenna – do NOT insert “keepers” • Sweep Antenna to insure correct assembly • Last group “marks” element rods • Assemble 2m EggBeater Antenna • RHCP with ground plane • Sweep Antenna to insure correct assembly

  22. Rotator/Tracking System • Azimuth /Elevation Rotator System • Yaesu G-5500 Rotator • Standard rotator with control box • LVB Tracker Box • Needs to be “zeroed” for proper operation • Accepts positioning commands from Computer • Translates to movement commands to G-5500 rotator • MacBook Air • Runs MacDoppler software • Auto tracking of selected satellites • Displays useful information for public viewing

  23. Rotator/Tracking System Demo of MacDoppler

  24. Ground Station Requirements

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