SGPS Requirements
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SGPS Requirements Chart |
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|---|---|---|---|---|---|
| Parameter | Current SGPS Specification | PORD Requirement | |||
| Proton Energy Range | 1 MeV to 500 MeV in 10 log bins plus >500 MeV Integral | 151, 139 | |||
| Flux Range (cm2-s-ster-keV)-1 (Min) | 8x102 E-1.8 / >500 MeV = 4x102 | 151 | |||
| Flux Range (cm2-s-ster-keV)-1 (Max) | 5.4x109 E-2.1 / >500 MeV = 2x103 | 151 | |||
| Differential Direct Energy Flux Accuracy | 25% | 144 | |||
| Sensor Heads | 2 Identical viewing in +X and -X | 146 | |||
| XY Sensor FOV | <=90° Symmetric | 146 | |||
| XZ Sensor FOV | <=90° Symmetric | 146 | |||
| Data Refresh Rate | 1 minute (goal 1 second) | 148 | |||
| Noise | < 10 keV for bands with threshold energy between 30 keV and 100 keV, <10% of band’s threshold energy at >100 keV | 85, 86 | |||
| Energy Band Stability | <+3% | 88 | |||
| Size | 26.6 cm, 26.6 cm, 12.6 cm CBE | ||||
| Mass | 4.9 kg CBE | ||||
| Power | 5.1 W CBE | ||||