Raw seismic reflection shot gathers (SEG-Y format) from the NBP1402 Sabrina coast, Antarctica, multi-channel seismic survey (2014)

Each SEG-Y file contains all shot gathers for each NBP1402 MCS seismic line along the Sabrina coast on the Antarctic margin. The seismic source was two Sercel G.I. guns configured at 45/45 cubic inches (harmonic mode) with an in-line separation of 2m towed 35.5 m or 29 m behind the ship stern. The GI gun array was towed at nominal depths of 2.5 m or 3 m and fired every 5 seconds. The seismic streamer had 24 channels spaced at 3.125 meters apart and was towed 23 m behind the stern, putting the near offset forward of the source by 6.25 or 12.5 meters, depending on tow location of the gun array.