Computer Science – Sound
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsm11b1604b&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SM11B-1604
Computer Science
Sound
2407 Auroral Ionosphere (2704), 2494 Instruments And Techniques, 2704 Auroral Phenomena (2407), 2794 Instruments And Techniques, 7855 Spacecraft Sheaths, Wakes, Charging
Scientific paper
Based on the CubeSat Project, which is a small satellite prototype established by CalPoly and Stanford Universities, Dartmouth College undergraduates have built a prototype 10cm x 10 cm x 30cm payload, dubbed GreenCube. The prototype consists of a number of subsystems: a data acquisition and analysis computer, power source and regulatory circuits, telemetry, GPS, and instruments. The on-board instruments are a magnetometer and 6 thermocouples that are stand-ins for future devices. The telemetry system alone, acting as a simple beacon, was flown on a 30km bursting-balloon in early June 2008. The beacon signal, which we successfully monitored for the entire flight, transmitted temperature readings from a built-in temperature sensor. We also successfully recovered the payload after a parachute return. The June flight served as a trial run of our balloon team and payload systems, and future flights are planned to test the full payload. Our long-term science goals take two forms. The GreenCube prototype will be applicable as an instrument platform for auroral sounding rockets and for future CubeSat missions. We are interested in a sounding rocket involving the release of approximately 8 small sub-payloads from a main payload to be flown from Poker Flat Alaska. Each sub-payload would be untethered and independent from the main payload and communicate independently to the ground station. This type of mission would investigate the k-spectrum of density irregularities in the auroral ionosphere, for which we will substitute plasma density probes for the thermocouples. Before flying the small payloads on a sounding rocket, though, our next step will be to launch the entire GreenCube payload on a balloon and then from a student test rocket within the next two years.
Bracikowski P. J.
Fagrelius P. A.
Lynch Kristina Anne
Millan Robyn M.
Siddiqui M. U.
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