Dual-frequency singlebeam echosounder running 33 kHz and 200 kHz simultaneously, so hard bottom and soft sediment are recorded in the same pass. Standard for dredge volume survey and channel monitoring.
Dual-frequency singlebeam echosounder running 33 kHz and 200 kHz simultaneously, so hard bottom and soft sediment are recorded in the same pass. Standard for dredge volume survey and channel monitoring.