| FIELD | WAS DEFINED AS | IS NOW DEFINED AS |
| Sensor 1 Physical Element | TA | TW |
| Sensor 2 Physical Element | TW | PC |
| Sensor 3 Physical Element | PC | HG |
| Sensor 4 Physical Element | HG | undefined |
| Sensor 4 Data Interval | 60 | undefined |
| Sensor 4 Offset Time   | 15 | undefined |
| Sensor 4 Base Elevation | 0.00 | undefined |