| Offsets | Name | Length | Format | Description | |
|---|---|---|---|---|---|
| 0 | SMF99_AINS_PNUM | 4 | binary | Period number | |
| 4 | 4 | SMF99_AINS_BW | 4 | binary | Bucket width |
| 8 | 8 | SMF99_AINS_LSTX | 4 | binary | Last plotted X bucket |
| * | 4 | binary | Reserved. | ||
| 16 | 10 | SMF99_AINS_POINTS_OF | 4 | binary | Offset of point entries |
| 20 | 14 | SMF99_AINS_POINTS_ON | 2 | binary | Number of point entries |
| 22 | 16 | SMF99_AINS_POINTS_LN | 2 | binary | Length of a point entry |