Marport CATCH User Manual page 62

Examples of frequency allocations
• We recommend to allocate frequencies between 34 and 56 kHz for wideband
hydrophones and between 41 kHz and 44 kHz for narrowband hydrophones.
• Echosounders are usually placed around 38 kHz, make sure to allow enough
distance with them.
Catch Navigator | V1 | Appendix
62