Table 1 Split-beam echosounders and main acquisition parameters
From: Antarctic seep emergence and discovery in the shallow coastal environment
Nominal frequency | Transceiver Type | Transducer model | Pulse type | Pulse length | Frequency range |
|---|---|---|---|---|---|
18 kHz | Simrad EK80 WBT | Simrad ES18-11 | FM | 4 ms | 12-27 kHz |
38 kHz | Simrad EK60 GPT | Simrad ES38B | CW | 1 ms | 38 kHz |
70 kHz | Simrad EK80 WBT | Simrad ES70-7C | FM | 4 ms | 45-90 kHz |
120 kHz | Simrad EK60 GPT | Simrad ES120-7C | CW | 1 ms | 120 kHz |
200 kHz | Simrad EK60 GPT | Simrad ES200-7C | CW | 1 ms | 200 kHz |
