| ChannelInstances | Gets the channel instances in this observation record. |
| ChannelInstancesTag | Tag that identifies the channel instances collection. |
| ChannelTriggerIndex | Gets or sets the index into ChannelInstancesTag collection within this record which initiated the observation. |
| ChannelTriggerIndexTag | Tag that identifies the index into ChannelInstancesTag collection within this record. This specifies which channel(s) initiated the observation. |
| CreateTime | Gets the creation time of the observation record. |
| DataSource | Gets the data source record that defines the channels in this observation record. |
| DisturbanceCategoryID | Gets or sets the Disturbance Category ID |
| DisturbanceCategoryTag | Tag that identifies the Disturbance Category. |
| Name | Gets the name of the observation record. |
| ObservationNameTag | Tag that identifies the name of the observation record. |
| OneChannelInstanceTag | Tag that identifies a single channel instance in the collection. |
| PhysicalRecord | Gets the physical structure of the observation record. |
| Settings | Gets the monitor settings record that defines the settings to be applied to this observation record. |
| StartTime | Gets the starting time of the data in the observation record. This time should be used as the base time for all relative seconds recorded in the series instances. |
| TimeCreateTag | Tag that identifies the time that the observation record was created. |
| TimeStartTag | Tag that identifies the start time of the data in the observation record. |
| TimeTriggered | Gets the time the observation was triggered. For more information regarding recording time in PQD files, see StartTime. |
| TimeTriggeredTag | Tag that identifies the time the observation was triggered. |
| TriggerMethod | Gets or sets the type of trigger which caused the observation. |
| TriggerMethodTag | Tag that identifies the type of trigger that caused the observation. |