M-SAT

Missouri University of Science & Technology

SHOT II

June 29th 2012

Caleb Myers Levi MalottKeith LeGrand Matt Glascock

Purpose:- The purpose of the

payload for SHOT II is to test Bluetooth communications in a space environment

- No problems are expected but it is untested

- BlueGiga WT-11E Bluetooth data radios

Link to M-SAT Mission

• Secondary Mission of M-SAT is to test Bluetooth in space as an inter-satellite communication tool • Blue Tooth Benefits

• Inexpensive, off the shelf communications package• Ability to test preliminary swarm-sat communications

techniques• 433 kbps baud rate• Bluetooth system able to communicate to

approximately 50m with standard antenna system

Mechanical/Electrical Layout of Test:• Mechanical

• Housing – 2 Foam board boxes

• Electrical• Board Design – Milled in house• Power – 8 AA rechargeable batteries per box• Thermal –No thermal protection needed

Functional Block Diagram:

Final Payload Characteristics

• Mass: 1.065 kg Total

• Frequency:2.4 GHz

• CG: ~(0,0)

Data Acquisition

• Post-Flight• AVRISPmkII

Programmer• EEPROM registers

corresponding to 2 min time increments

Questions