Work Breakdown
Structure
1. Program management
1 .01 Program
manager
1 .02 System
engineer
1.02.1
Specifications
1.02.2 Interface
control documents
1.02.3 Design
reviews
1 .02.4 Software
engineering
oversight
1.03 Program advancement
1.04 Financial accounting support
1 .05 Programmatic
documentation
1.06 Scheduling and
status
1.07 Administrative support
1
.08 Fabrication
1.09 Security
2. Reliability & quality assurance
2.01 Reliability
predictions
2.02 Failure modes effects and
criticality
analysis
2.03 Subcontractor and
vendor
qualification
2.04 Safety
205
Reviews and documentation
3. Structure
3.01 Vehicle mass properties
list
3.02 Stress analysis
3.03
Launch vehicle interface
3.04 Deployment/separation
mechanisms
3.05 Engineering mock-up
3.06 Test fixtures
3.07 Reviews and documentation
4. Power subsystem
4.01 Load
requirements
4.02 Solar arrays
4.03
Battery storage
4 04 Cables
4.05
Voltage conversion
4.06 Voltage regulation and
monitoring
4.07 Test equipment
4.08
Reviews and documentation
5. Thermal
5.01 Heat flow
analysis
5.02 Active thermal
management
5.03 Passive thermal
management
5.04 Thermal blanket
5.05
Thermal/vacuum test fixtures
5.06 Reviews and
documentation
6. RF/Communications
6.01 Link
requirements
6.02 Frequency
allocation
6.03 Antennas
6.04
Receivers
6.05 Transmitters
6.06
Test equipment
6.07 Reviews and documentation
7. Command and data handling
7.01 Command
requirements
7.02 Telemetry
requirements
7.03 Command processor
7.04 Software
7.05 Built-in test -
7.06 Data storage
7.07 Power
switching
7.08 Test cquipmcnt
7.09
Reviews and documentation
8 Electromagnetic compatibility (EMC)
8.01 EMC
environment requirements
8.02 Reviews and
documentation
9. Orbit/attitude control
9.01 Orbit/attitude
analysis
9.02 Attitude
determination
9.02.1 Sun
detector
9.02.2
Magnetometer
9.02.3
Imager
9.02.4 Horizon
sensor
9.02.5
Gyros
9.03 Attitude
adjustment
9.03. 1 Reaction
wheels
9.03.2 Magnetic
torquers
9.04 Orbit determination
9.05 Orbit adjustment
9.06 Test
equipment
9.07 Reviews and documentation
10. Propulsion
10.01 Control
10.02 Thrusters
10.03 Test equipment
10.04 Reviews and documentation
11. Experiments
11.01 Theoretical
modeling
11.02 Sensor development
11.03 Experiment planning
11.04 Experiment interface
12. Major subcontract (if appropriate)
13. Integration and test
13.01
Harness
13.02 Test equipment
13.03
Environmental tests
14. Ground support equipment (GSG)
14.01 Satellite
tracking facility
14.02 GSE computer and
peripherals
14.03 ‘Special-purpose
hardware
14.04 Software
14.05
Encryption/decryption
14.06 Experiment
interfaces
14.07 Mission control
center
14.08 Test equipment
14.09
Reviews and documentation
14.10 User documentation
15 .Launch field operations
15.01 Spacecraft/launch
vehicle integration
15.02 Spacecraft
checkout
15.03 Range support coordination
16. Missions operations
16.01 Missions
planning
16.02 Spacecraft operations
16.03 Post-launch data analysis
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