Parameters for Acquiring Uniformity Correction Table
| Parameter | Extrinsic | Intrinsic |
| Source | 57Co sheet source | 99mTc point source |
| Activity | 740 MBq | 37 MBq |
| Counting rate | 30,000 counts/s | 45,000 counts/s |
| Distance from detector | Placed directly on collimator | Placed at distance 4–5 times camera diameter |
| Collimator | Low energy, high resolution | Not applicable |