| Symbol | Description | Uses |
| SO | 3 |
| File | Line number | Procedure | Code |
| ./pkg/sphere/sphere.F | 403 | SHC4ZONE |
REAL DEG2RAD, CE, CO, SE, SO |
| ./pkg/sphere/sphere.F | 441 | SHC4ZONE |
SO = HS(J)-HN(JP) |
| ./pkg/sphere/sphere.F | 451 | SHC4ZONE |
SHC(K-M) = SHC(K-M) + P(I2) * SO |