Counting Rates in 140-keV Window of Orbiter Camera Due to Nearby 18F Cylinder
| Detector-to-18F source distance (m) | Counting rate when facing 18F source (count/min/185 MBq) | Counting rate when facing floor (count/min/185 MBq) | Counting rate when facing away from source (count/min/185 MBq) | No source (count/min) |
|---|---|---|---|---|
| 3.0 | 122,487 | 31,671 | 32,227 | 3,234 |
| 7.5 | 24,501 | |||
| 11.0 | 13,468 |