"2" . . "A NMFSS-built multi-channel seismic reflection profiling system. The system uses a Bolt 1500C airgun as sound source, and a hydrophone streamer of 1 km in length."@en . . "false" . "2018-01-30 17:21:33.0" . "National Marine Facilities Sea Systems (NMFSS) Multi-Channel Airgun Seismic Reflection System"@en . . "2018-01-30 17:21:33.0" . "NMFSS Multi-Channel Airgun" . "NMFSS Multi-Channel Airgun"@en . . . "2" . . . . "SDN:L22::TOOL1197" . "SDN:L22::TOOL1197" . "SDN:L22::TOOL1197" . . "accepted"@en .