Mode for computing 15 day average Ap.
| Member | Value | Description |
|---|---|---|
| eVeSpEnvApSourceUnknown | -1 | An invalid AgEVeSpEnvApSource value. |
| eVeSpEnvApSourceFile | 0 | Sets the Ap flux source to use a flux file. |
| eVeSpEnvApSourceSpecify | 1 | Sets the Ap flux source to be a static value. |





