| Date/time (local) | Latitude | Longitude | Notes |
|---|---|---|---|
| 12/13/19 00:25:24 | 34.1098 | -119.7742 | Long, mechanical looking sound at 600Hz in panel 8 |
| 12/13/19 00:25:24 | 34.1098 | -119.7742 | Long, mechanical looking sound at 600Hz in panel 8 |
| 12/13/19 01:25:24 | 34.1098 | -119.7742 | Many faint sporadic pulses here, HF signal at the start of panel 4 could be humpback but isolated & rather ragged |
| 12/13/19 01:55:24 | 34.1098 | -119.7742 | HF signals very faint & sporadic |
| 12/13/19 01:55:24 | 34.1098 | -119.7742 | HF signals very faint & sporadic |
| 12/13/19 03:10:24 | 34.1098 | -119.7742 | Several long 600Hz tones |
| 12/13/19 03:10:24 | 34.1098 | -119.7742 | Several long 600Hz tones |
| 12/13/19 03:25:24 | 34.1098 | -119.7742 | Continue 600Hz tones |
| 12/13/19 03:25:24 | 34.1098 | -119.7742 | Continue 600Hz tones |
| 12/13/19 04:40:24 | 34.1098 | -119.7742 | long 600Hz tones |
| 12/13/19 04:40:24 | 34.1098 | -119.7742 | long 600Hz tones |
| 12/13/19 06:10:24 | 34.1098 | -119.7742 | Strong HF signals in panels 4-5 look like mechanical/background noise |
| 12/13/19 06:10:24 | 34.1098 | -119.7742 | Strong HF signals in panels 4-5 look like mechanical/background noise |
| 12/13/19 07:25:24 | 34.1098 | -119.7742 | LF tones very sporadic, repeated 100 Hz flat tones |
| 12/13/19 08:55:24 | 34.1098 | -119.7742 | Many sporadic LF pulses |
| 12/13/19 08:55:24 | 34.1098 | -119.7742 | Many sporadic LF pulses |
| 12/13/19 09:55:24 | 34.1098 | -119.7742 | Many sporadic LF pulses, all fairly faint |
| 12/13/19 09:55:24 | 34.1098 | -119.7742 | Many sporadic LF pulses, all fairly faint |
| 12/13/19 14:25:24 | 34.1098 | -119.7742 | Many sporadic lf pulses |
| 12/13/19 14:25:24 | 34.1098 | -119.7742 | Many sporadic lf pulses |
| 12/13/19 20:40:24 | 34.1098 | -119.7742 | Faint sporadic LF pulses |
| 12/13/19 20:40:24 | 34.1098 | -119.7742 | Faint sporadic LF pulses |
| 12/13/19 20:55:24 | 34.1098 | -119.7742 | Many sporadic LF signals |
| 12/13/19 21:40:24 | 34.1098 | -119.7742 | Strange Hf step-down signal in panel 2 |
| 12/13/19 21:40:24 | 34.1098 | -119.7742 | Strange Hf step-down signal in panel 2 |