. "30-JAN-18" . . "A NMFSS-built single-channel seismic reflection profiling system. The system uses a Bolt 1500C airgun as sound source, and a short hydrophone streamer." . "NMFSS Single-Channel Airgun" . "accepted" . "TOOL1198" . "TOOL1198" . "2" . "2" . "National Marine Facilities Sea Systems (NMFSS) Single-Channel Airgun Seismic Reflection System"@en . "TOOL1198" .