| Name | Format | Duration | Size | Date | |
|---|---|---|---|---|---|
| hydr1m1n.WAV | Waveform Audio File Format | 56s | 632KB | 1998-08-14 | |
| HYDR1M1W.WAV | Waveform Audio File Format | 1s | 11KB | 1998-08-14 | |
| hydr1x1w.WAV | Waveform Audio File Format | 2s | 21KB | 1998-07-01 | |
| hydr1y1w.WAV | Waveform Audio File Format | 1s | 12KB | 1998-07-01 | |
| hydr2x1w.WAV | Waveform Audio File Format | 1s | 20KB | 1998-07-01 | |
| hydr2y1w.WAV | Waveform Audio File Format | 1s | 12KB | 1998-07-01 | |
| hydr3y1w.WAV | Waveform Audio File Format | 1s | 12KB | 1998-07-01 |