Prewarn
A Prewarn holds information about an upcoming passing. They are available before the final time is determinedas,
as soon as an transponder ID is known.
| Field | Type | Label | Description |
| src | Prewarn.Src |
source of the prewarn |
|
| transponder_id | string |
ID of the transponder |
Prewarn.Src
Src is the source that is currently recording the passing.
| Field | Type | Label | Description |
| input | string |
name of the input (sub) device that generated the passing |