1. UPR-R(river) P(rock) University of Puerto Rico Río Piedras Campus February 17, 2012

2. Compare our results with RiverRock 2009 and 2010 findings. Measure selected gases in near-space conditions. Survey inorganic and organic aerosols in near- space conditions.

3. Power 2x9V Supply Batteries G-Switch RBF (Wallops) 5V Regulator X / Y Accelerometer Z Accelerometer Temperature Sensor AVR Board AirCore Board Flash Memory 6 channel ADC Control Circuit (MOSFETS) AVR Microcontroller ADC Intake Solenoid Valves Bernoulli Exhaust At the rocket Intake Solenoid Valve Nano-Filters Sequential Controlled Valves Exhaust Solenoid Valve Data Airflow Power Interface RAM Air Intake from Outside of the Rocket Gas Semiconductor Sensor 5 Gas Semiconductor Sensor 3 Gas Semiconductor Sensor 1 2x9 V Supply Gas Semiconductor Sensor 2 Gas Semiconductor Sensor 4 Gas Semiconductor Sensor 6

4. Faculty Support: Vladimir Makarov Geraldo Morell Gladys Muñoz Benjamin Bolaño Oscar Resto Management Student Management: Team Leader: Desiree Rodriguez Secretary: Ivan Rivera Schedule Manager: Jose Castrillo Technical Support: Orlando X. Nieves

5. Rocksat C 2012 Team Organization Rocksat C 2012 Team Organization Ivan Rivera (Secretary) Alvaro Gracia (Team Member) Alvaro Gracia (Team Member) Sergio Alegre (Team Member) Sergio Alegre (Team Member) Lizmar Cerezo (Team Member) Lizmar Cerezo (Team Member) Pedro Meléndez Software Technical Leader Pedro Meléndez Software Technical Leader Jose Castrillo (Timekeeper) Elmo Rodriguez (Team Member) Elmo Rodriguez (Team Member) Jose Iglesias (Team Member) Jose Iglesias (Team Member) Nina Cordero (Team Member) Nina Cordero (Team Member) Gladys Muñoz (Faculty Support) Gladys Muñoz (Faculty Support) Desiree Rodriguez (Team leader) Jaime Vaquer (Team Member)) Jaime Vaquer (Team Member)) Jose Ruiz (Team Member) Jose Ruiz (Team Member) Luis Rosario (Team Member) Luis Rosario (Team Member) Samalis Santini Team Member Samalis Santini Team Member Sybelle Serrano (Team Member)) Sybelle Serrano (Team Member)) Oscar A. Resto (Team Member) Oscar A. Resto (Team Member) Beatriz Peraza (Team Member) Beatriz Peraza (Team Member) Joel Delgado (Team Member) Joel Delgado (Team Member) Oscar Muniz (Team Member) Oscar Muniz (Team Member) Oscar Resto (Mentor/PI) Graciela Rivera (Team Member) Graciela Rivera (Team Member) Nicolle Canales (Team Member) Nicolle Canales (Team Member) Camille Lupianez (Team Member) Camille Lupianez (Team Member) Marianne Marin (Team Member)) Marianne Marin (Team Member))

8. As of February 14 we are on time with our schedule, even though we haven’t done the semiconductor sensor tests scheduled for February 7. We plan on doing this on February 21. We tested the computer and interface.

9. Layer #1: Semiconductor Sensors’ Board Layer #2: First and second Battery Filters’ Subsystem Layer #3: Third Battery Filter and Manifold’s Sensor Subsystem Layer #4: Interface and AVR Board’s Subsystem Layer #5: Power Plate

15. We have successfully tested the AVR computer. We have two computers, one for flight and a spare one. They both work perfectly. We also have a third one that need minor repairs.

17. Two out of three computers worked perfectly The third one needs some minor repairs

18. We are going to work with each subsystem separately to ensure its functionality. We are going to clean and assemble the subsystems in their proper layers after the disassembly of the payload.

19. - While testing the AVR computer we realized that we weren’t connecting the cables correctly. Therefore we couldn’t program the computer. That problem has been solved.

20. We are on schedule and working to have everything done. There is a team training in the usage of the Scanning Electron Microscope to analyze the samples of RockSat 2009-2010 and 2011-2012 (upcoming flight).