| Description: Apollo PSE channel. |
| Namespace Id: apollo | Steward: geo | Class Name: Seismic_Parameters | Type: ASCII_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | ATT | Time the signal was recorded on Earth at the ground station. Time in seconds since the beginning of the epoch (1 January 1970). The timing can be negative for early in the mission. |
| | MH1 | Horizontal Component 1 of the mid-period instrument. |
| | MH2 | Horizontal Component 2 of the mid-period instrument. |
| | MHZ | Vertical Component of the mid-period instrument. |
| | SHZ | Vertical Component of the short-period instrument. |