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High altitude balloon DDF

High altitude balloon DDF. Team Leader: Josh Beighle Group Members: Adam Chen, Aaron Seyfried Faculty Advisors: Dr. John Wu, Dr. Joseph Slater Industry Advisors: Bruce Rahn, Nicolas Baine June 08, 2012. Overview. Launch 28 Launch 29 Launch 30 Final Results Final Outcome

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High altitude balloon DDF

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  1. High altitude balloon DDF Team Leader: Josh Beighle Group Members: Adam Chen, Aaron Seyfried Faculty Advisors: Dr. John Wu, Dr. Joseph Slater Industry Advisors: Bruce Rahn, Nicolas Baine June 08, 2012

  2. Overview • Launch 28 • Launch 29 • Launch 30 • Final Results • Final Outcome • Lessons Learned

  3. Launch 28 (Richmond IN) • Data acquisition was unsuccessful • Beacon was not transmitting (power supply was not plugged into beacon) • Further plans to prevent same mistake • Placement of another member of the team at the launch point to prevent any mistakes

  4. Launch 29 (Bellbrook OH) • Initial Experiment • Record two sets of data for each launch 29 and 30 • Complications • Adam: Unable to calibrate kit due to beacon malfunctions • APRS signal obstructed • New task: Foxhunt package on launch 29

  5. Launch 29

  6. Launch 30 (Bellbrook OH) • Updated experiment • New setup locations • Complications • Lack of setup time • New locations insufficient for updated experiment

  7. Launch 30

  8. Final Results • Launch 29 • Launch 30

  9. Final Outcome • Doppler Direction Finders are not a viable means of high altitude balloon tracking • Why? • Kits not designed to handle change in altitude • Kits not sensitive enough • Solution • Larger antenna assembly • More sensitive equipment • Some are sensitive to within one degree

  10. Lessons Learned • Learned how to work cohesively in a group of diverse engineers. • Learned how to document findings to relate the findings to peers. • Learned how to present findings to peers. • Even minor complications can destroy large scale results. • Prior planning ensures smooth operation on launch day. • Full scale testing should be accomplished well before implementation.

  11. Sponsors • The Ohio Space Grant Consortium (OSGC) • Wright State University Curriculum Development Grant • National Science Foundation (NSF)

  12. Summary • Launch 28 • Launch 29 • Launch 30 • Final Outcome • Final Results • Lessons Learned

  13. Questions • Josh Beighle: beighle.3@wright.edu • Adam Chen: chen.83@wright.edu • Aaron Seyfried: awseyfried@gmail.com

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