Fig. 1.

Fig. 2.

Fig. 3.

Fig. 4.

Fig. 5.

Fig. 6.

Fig. 7.

Fig. 8.

Fig. 9.

Fig. 10.

Statistics of test data for the lake test within the near-field range (25 km)_
| Time difference [μs] | Test point 1 | Test point 2 |
|---|---|---|
| Max value | 205.01 | 191.97 |
| Min value | 166.83 | 155.99 |
| Peak_to_peak | 38.18 | 35.98 |
| Mean value | 180.25 | 172.21 |
| Std | 6.86 | 6.38 |
Statistics of test data for the lake test within the ground wave range (138 km)_
| Time difference [μs] | Test point 1 | Test point 2 |
|---|---|---|
| Max value | 614.69 | 573.32 |
| Min value | 494.51 | 486.22 |
| Peak_to_peak | 120.18 | 87.10 |
| Mean value | 543.17 | 529.07 |
| Std | 24.11 | 14.97 |