1. A student satellite initiative Indian Institute of Technology Madras

2. Part 1: The Mission The goals and objectives Part 2: History What we have done so far? Part 3: The Satellite The conceptual design of the satellite Part 4: Future What we plan to do next.

4. Primary Objectives Design, fabricate, test and launch a small- satellite Build a ground station for collection of data Measure the energy spectrum of protons and electrons in the upper atmosphere Investigate the possibility of creation of a small-satellite based earthquake prediction system

5. Secondary Objectives learn basics of design, manufacture, system engineering and space technology through building a small satellite Education Inspire young scientists and engineers to take up challenging tasks and work towards it collectively Motivation Increase participation of IIT Madras in space research and technology development University participation in space research

6. iitmsat 19th March 2010 Mission Options Pure technology demonstration Space-craft component innovation Scientific Experiments Earth Related Magnetic/ Electric Field Measurement Radiation (EM & Particle) Measurement Astronomy Related Micro-gravity experiments Service based Remote sensing Determining earth quake epicenters Mapping ocean currents Communication GPSDoppler Navigation Particle Detector (HEPD) Particle Detector (HEPD) 6

7. Before an Earthquake A series of events occur : References: Sgrigna, V. (2005). Correlations between earthquakes and anomalous particle bursts from SAMPEX/PET satellite observations. Journal of Atmospheric and Solar-Terrestrial Physics 67, 1448-1462. Alexandrin, S. (2009). Observation of solar-magnetospheric and geophysical effects on the electron and proton fluxes detected by the satellite-borne ARINA experiment. Izvestiya Akademii Nauk. Serriya Fizicheskaya Vol 73, 379-381

8. Ionosphere interaction region Inner Van- Allen Belt Boundary Trapped Particles Magnetic field lines Not to Scale

9. Seismic Activity Capture region ULF waves as Alfven Waves Not to Scale

10. Lowering of mirror points 300km 900 km Not to Scale

12. Project 1: Modification in design, and fabrication of the casing of the Cadmium Zinc Telluride Imager, which will be flown on ASTROSAT. Project 2: Tracing the circuit of KETEK VITUS Pre- amplifier used with the Silicon Drift Detector. Project 3: Preliminary development of ground software for analysis of data from the CZT Imager. Project 4: Modification of on board software to compress data from the CZT before transmission. Modification in the casing of CZT in TIFR The pre-amplifier for SDD (Detector) in PRL 12 Goal Gain some understanding of current space- experiments and satellite payloads

13. IC&SR innovative students project Goals : Use as playground for experimentation Gain practical experience Recognize team strengths 13

14. High Energy Particle Detector Configuration 31 mm 19 mm Plastic Scintillator BC-404 CsI (Tl) Si (300 μ m) Photodiode Detector Specifications Energy Bin Resolution1 MeV Energy RangeProtons: 7 MeV to 100 MeV Electrons: 1 MeV to 15 MeV Geometric Area30 mm x 30 mm Active Detector Volume30 x 30 x 51.3 mm Mass 2.2 Kg Shielding2 cm thick Aluminum shield Power (Max. Consumption)2 W Data (Peak Data Rate)2 Mbytes/ orbit (1 orbit = 100 min)

16. Proposed configuration of the satellite. (Picture of the Pro-E model made by the student team) Over-all Satellite Specifications Dimensions20 x 20 x 24 cm 3 Mass10 kg Average power consumption 6 W Attitude stabilization type3-axis stabilized PayloadHigh Energy Charged Particle Detector Mission Specifications OrbitLow Earth Orbit Altitude600-800 km Inclination10-100 degrees Mission Life-time> 1 year

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21. Trapped Particle Motion 18th June 2010, ISAC Space Astronomy Group Three kinds of motion: Gyration Bouncing Longitudinal Drift

22. Locating the Latitude of the Epicenter 18th June 2010, ISAC Space Astronomy Group

23. Locating the Longitude of the Epicenter 18th June 2010, ISAC Space Astronomy Group Longer drift life for: Electrons > 5 MeV Protons > 50 MeV

24. A student initiative to Design Build Operationalize a small satellite (~10 kg) Mission: Scientific experiment involving High Energy Particle Detection for studying ionospheric earthquake precursors.

25. University space programs Inspiring young minds Develop Human Resource for ISRO Strengthen Institutional partnership New science and technology for ISRO

26. iitmsat 19th March 2010 26 Improvements in various fields of research Geophysical Ionospheric Magnetospheric