"Teledyne RDI Workhorse Mariner 1200kHz ADCP"@en . . "SDN:L22::TOOL0748" . "The workhorse mariner WM-1200 provides short-range current profiling (typical range 12m, or 19m in long-range mode). This model operates at a 1200kHz frequency providing precision bottom-track reference for direct vessel speed measurement."@en . .