HIGH ALTITUDE BALLOON DDF

Team Leader: Adam ChenGroup Members: Josh Beighle, Aaron SeyfriedFaculty Advisors: Dr. John Wu, Dr. Joseph Slater, Dr. John GallagherIndustry Advisors: Nick Baine, Bruce Rahn, Steve MascarellaPrevious Member Advisors: Andrew Crowdy, Dan Rahn, Steve Overmeyer

February 17th 2012

Overview

IntroductionFunctionalityProgressBudget

IntroductionVery High Frequency Omnidirectional Radials (VOR) to

Doppler Direction Finder (DDF)Why did we switch?

Proper resources not availableSimilarities and differences in expected outcome

VOR- Receiving, processing, and returning a signalDDF- Processing a signal from the balloon

Functionality

Functionality

Operating points and Equipment• Operating Frequency

• 146.565 MHz• Transmitter• Receiver

• 18 inch antennas

Experiment Design

Progress

Progress

Progress

Progress

BudgetSupplies Quantity Cost Each Total CostDDF1 Kits 2 $169.95 $339.90

5' RG58 Cable 2 $8.50 $17.005' Cat 5 Cable 2 $1.29 $3.58

12V/2A Vehicle Power Adapter 2 $9.99 $19.98Grand Total $380.46

w/ Tax $407.09

SponsorsThe Ohio Space Grant Consortium (OSGC)Wright State University Curriculum Development GrantNational Science Foundation (NSF)

SummaryIntroductionFunctionalityProgressBudget

Questions

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