Source Volume for Sequences 1-13 was 8490cu.in.

Source Volume for Sequences 14-39 was 7610cu.in.(from diagram)

Source Depth is unknown

Source to Near Channel was 179.25 meters for Sequences 1-25, 25-39

Source to Near Channel for Line 26 was -20m when no tow/stretch section was available

Shot Interval was 50m for Sequences 01,04-10,13,14.001-14.002(shots 17661-22203),16,27,28,29,30,38,39

Shot Interval was 100m for Sequences 19,20,21,24,25.26,31,32,33

Shot Interval was 150m for Sequences 02,03,11,12,14.003(shots 23725-24985),15,17,18,34,35,36,37

Shot Interval was likely 37.5m for Sequences 22,23

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: null

Acquisition System Type: digital

Seismic Nav System: null

Survey Datum: WGS84

Source to Near Channel (m): null

Antenna to Source (m): null

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): null

Source Volume (cubicInches): 7860

Source Pressure (bars): null

Source Number: 20

Source Depth (m): null

Shot Control: distance

Shot Interval (s or m): 50: Northwest of Alarcón Rise; 60-fold data with 6.25 m CMP spacing; 150: South of Alarcón Rise; CMP spacing doubled to 12.5 m; yielding 40 fold data (Sutherland; 2006).

Compass Birds: no

Tail Buoy Positioning: no