| Date/time (local) | Latitude | Longitude | Notes |
|---|---|---|---|
| 02/21/20 00:55:24 | 34.1098 | -119.7742 | 125 Hz pulses |
| 02/21/20 01:10:24 | 34.1098 | -119.7742 | 125Hz pulses |
| 02/21/20 01:25:24 | 34.1098 | -119.7742 | 125Hz pulses |
| 02/21/20 04:10:24 | 34.1098 | -119.7742 | 125Hz pulses |
| 02/21/20 04:25:24 | 34.1098 | -119.7742 | 125Hz pulses |
| 02/21/20 04:55:24 | 34.1098 | -119.7742 | 125Hz pulses |
| 02/21/20 05:25:24 | 34.1098 | -119.7742 | 125Hz pulses |
| 02/21/20 05:55:24 | 34.1098 | -119.7742 | 125Hz pulses |
| 02/21/20 06:10:24 | 34.1098 | -119.7742 | 125Hz pulses |
| 02/21/20 06:55:24 | 34.1098 | -119.7742 | 200Hz pulses |
| 02/21/20 07:55:24 | 34.1098 | -119.7742 | 150Hz pulses |
| 02/21/20 09:10:24 | 34.1098 | -119.7742 | 200Hz pulses |
| 02/21/20 09:25:24 | 34.1098 | -119.7742 | 200Hz pulses |
| 02/21/20 09:40:24 | 34.1098 | -119.7742 | 200Hz pulses |
| 02/21/20 09:55:24 | 34.1098 | -119.7742 | 200Hz pulses |
| 02/21/20 10:25:24 | 34.1098 | -119.7742 | 1 kHz signals |
| 02/21/20 12:25:24 | 34.1098 | -119.7742 | Faint 1 kHz signals |
| 02/21/20 15:25:24 | 34.1098 | -119.7742 | Faint Hf downsweep in panel 7? |