| Symbol | Description | Uses |
| FS0 | 3 |
| File | Line number | Procedure | Code |
| ./pkg/aim_v23/phy_radiat.F | 55 | SOL_OZ |
_RL AZEN, RZEN, CZEN, SZEN, AST, FS0, FLAT2 |
| ./pkg/aim_v23/phy_radiat.F | 74 | SOL_OZ |
FS0=10. _d 0 |
| ./pkg/aim_v23/phy_radiat.F | 97 | SOL_OZ |
& +MAX( FS0-FSOL(J), 0. _d 0 ) |