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HokieSat Introduction

HokieSat is a nanosatellite designed by Virginia Tech for the measurement of ionospheric scintillation. It is part of the Ionospheric Observation Nanosatellite Formation (ION-F) program and utilizes advanced technologies for satellite coordination and distributed measurements. This mission aims to investigate satellite design, formation flying, and mission management, while enabling remote control of the satellite through internet-based operations centers.

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HokieSat Introduction

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  1. HokieSat Introduction Scott LennoxHokieSat Systems Leadslennox@vt.eduMay 30, 2002

  2. Introduction University Nanosatellites • Virginia Tech Ionospheric Scintillation Measurement Mission (VTISMM) aka HokieSat • Ionospheric Observation Nanosatellite Formation (ION-F) • Utah State University • University of Washington • Virginia Tech • University Nanosatellite Program • 2 stacks of 3 satellites • Sponsors: Air Force Research Labs, NASA’s Goddard Flight Center AFRL Multi-Satellite Deployment System (MSDS) NASA Shuttle Hitchhiker Experiment Launch System (SHELS)

  3. Mission 3CS Configuration: ION-F USUSat Dawgstar HokieSat Scenario: Multiple Satellite Deployment System

  4. Investigate satellite coordination and management technologies and distributed ionosphere scintillation measurements Coordinate on satellite design, formation flying, management mission development, science instruments, mission Design and implement internet-based operations centers, enabling each university to control its satellite from a remote location ION-F Mission

  5. Isogrid Structure Composite Side Panels 0.23” isogrid 0.02” skins Design HokieSat • 18.25” major diameter hexagonal prism • 12” tall • 39 lbs (~18 kg)

  6. External Configuration Solar Cells Crosslink Antenna GPS Antenna LightBand Pulsed Plasma Thrusters Data Port Camera Uplink Antenna Downlink Antenna Science Patches

  7. Internal Configuration Crosslink Components Cameras Power Processing Unit Torque Coils (3) Magnetometer Camera Pulsed Plasma Thrusters (2) Camera Battery Enclosure Downlink Transmitter Electronics Enclosure Rate Gyros (3)

  8. Side 1: PPU Aux Port Science Patch 1 (external) Side 2: Torque Coil Camera Uplink Science Patch 2 (external) Side 3: Downlink Component Placement • Side 3 and Side 4: • Torque Coil • Thruster • Side 4: • Camera • GPS Preamp • S Band Filter • Side 5: • S Band Preamp • GPS Circulator/Isolator • GPS Switch • Side 5 and Side 6: • Thruster • Side 6: • Camera

  9. Nadir Panel (bottom): CEE Rate Gyros Battery Box Sun Sensor (external) Downlink Ant. (external) Uplink Loop Ant. (external) Component Placement cont. • Zenith Panel (top): • GPS NCLT Box • Camera • Torque Coil • Magnetometer (external) • Honeycomb (external) • GPS Monopole Ant. (external) • GPS Patch Ant. (external)

  10. Spring Teflon Fuel Bar Ultem 2300 Thruster Assembly Mica-paper / Foil Capacitor Ultem Isolator Cathode Boron Nitride Insulator Annode Pulsed Plasma Thrusters

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