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Table 1 shows the −6-dB widths of the 1D pressure profiles measured through the three skullcaps.
| Skull # | Sagittal (mm) | Coronal (mm) | Axial (mm) | |||
|---|---|---|---|---|---|---|
| 250 kHz | 500 kHz | 250 kHz | 500 kHz | 250 kHz | 500 kHz | |
| 1 | 3.7 | 2.0 | 3.2 | 1.8 | 7.6 | 3.8 |
| 2 | 3.7 | 2.0 | 3.2 | 1.7 | 7.0 | 3.6 |
| 3 | 3.4 | 1.9 | 3.2 | 1.8 | 6.9 | 3.5 |
