1. Matt Breihan, Jay Davis, Jack Gregory, Ashton Schrage, Sara Schuette, and Lydia Whitney September 23, 2008

2. Mission Statement The BalloonSat Octagon shall ascend to approximately 30 kilometers while recording the intensity of light through three photometers with different wavelength filters. This will determine which wavelength has the greatest intensity at different altitudes.

3. We plan to discover the atmosphere’s affect on different wavelengths of light penetration. Our results could be used to figure out what wavelength of light would be the best to observe at different altitudes. Why are we doing this mission? We are proposing to build this satellite because we are interested in astronomy and want to determine how the intensity of different wavelengths of light changes with altitude and what wavelength of light should be studied at any given altitude to provide maximum light intake.

4. Parts Camera Heater HOBO data logger with external temp. cable 3 TSL230 Photometers with different light filters Basic Stamp How are we going to complete our mission? Our mission is to figure out which wavelength of light is best observed at a given altitude. To complete this mission, we will take light intensity readings from our 3 photometers at set intervals throughout the flight. When we recover the satellite, we will retrieve the data from the Basic Stamp and graph the data from each photometer using altitude and light intensity.

6. Functional Block Diagram

7. Organizational Chart Jay DavisHardware specialist Matt BreihanOrganization/Programming Sara SchuetteProgramming Lydia WhitneyData Analyst Jack GregorySketch artist/design Ashton SchrageManagement Budget

8. Schedule September 22Team Meeting (TM) Sep. 23CoDR Presentation; design complete Sep. 24TM Sep. 29TM Oct. 1TM Oct. 2Order Hardware Oct. 6TM Oct. 7Begin Building Oct. 8TM Oct. 9Rev. A Oct. 10 or 11TM Oct. 12Testing: Structure – Drop and Stair Oct. 13TM Oct. 14CDR and Rev B Oct. 15TM Oct. 20TM – Make needed changes Oct. 22TM Oct. 23In Class Demo Oct. 27TM Oct. 29TM Nov. 2Testing: Hardware – Cold/Whip Nov. 3TM Nov. 4Mission Sims Nov. 5TM Nov. 6Mission Sims; Rev C Nov. 10TM Nov. 11Pre-Launch Inspection and LRR Nov. 12TM Nov. 13TM if needed Nov. 14Satellite Turn In Nov. 15Launch Day Nov. 17TM Nov. 19TM Dec. 1TM Dec. 2Rev D; Final Presentations Dec. 4Final Presentations Dec. 9Hardware Turn-in Revs: 10/9/08 10/14/08 11/6/08 12/2/08 Presentations: 9/23/08 10/14/08 11/11/08 12/2/08 Testing: 10/12/08 11/02/08 11/4/08 11/6/08

9. Weight ComponentWeight (grams) Camera with batteries and 1GB memory card220 Heater with batteries159 HOBO data logger29 3 TSL230300 Batteries for photometers60 2 switches (Camera and Photometers)12 Basic Stamp5 785 grams 215 grams allocated to foam core, wires battery holders, insulation, aluminum tape, any other components

10. Provided Materials Camera with 1 GB memory card HOBO data logger External Temp. Cable Heater Foam Core Not Provided 3 TSL230 photometers ($40) Basic Stamp ($50) Batteries for photometers ($40) Plexiglass (free) $20 extra for unforeseen purchases Money Approximate value: $350Total of $150

11. Systems will work during tests but not the launch/flight Programming the software Weight limit Getting satellite done on time