yusend communication system design update eng 4000 - february 11, 2009
DESCRIPTION
Ground Station Progress Update Functionality Received first signals 2m and 70cm bands Motor control Azimuth and elevation pointingTRANSCRIPT
YUSEND Communication SystemDesign Update ENG 4000 - February 11, 2009
BackgroundProject Overview
Ground StationProgress Update
Functionality • Received first
signals• 2m and 70cm
bands
• Motor control• Azimuth and
elevation pointing
Space SegmentProgress Update
Hardware Selection
• Based primarily on flight heritage
• Handheld transceiver• Yaesu VX-3R
• TNC • Paccomm
PicoPacket
Space SegmentProgress Update
On-Board Computer
• Successfully connected to camera
• Pictures transferred over wired connection
Future work • Interface with
TNC, Transceiver• Motor controls
Space SegmentProgress Update
Antenna Design
• Tx, Rx
• Alternate designs• Measuring tape• Spring-loaded• Telescopic
University of Tokyo XI-IV
Weeks 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Tasks
Project Proposal
Contract Proposal
Ground Station
Assembly & testing
Basic radio operator's
qualification
Design Specification
review
Software development
begins
1st design update
presentation
Antenna design and
modeling
Preliminary design
review
Antenna fabrication
2nd design update
presentation
1st communication link
test
Critical Design review
Final design report
Project Timeline
Budget
Cash In Kind
Item Cost Change since Sept. Item Cost
Antenna assembly and deployment mechanism
$150.00 Ground Station $12,000
Yaesu VX-3R $239.00 +$39.00 On-board computer
$120.00
PicoPacket TNC $320.00 +$100.00 Weather balloon $80.00
Training Expenses $0.00 -$50.00 Power supply and other test equipment
$2,000
Wires and other materials
$20.00
Presentation Supplies
$150.00
Subtotal $879.00 +$89.00 Subtotal $14,200