Source to Antenna Distance is unknown

Source volume: 1350 cu in for 6 airguns

Source volume: likely 210 cu in for GI gun

Source to Channel Distance: ch 4 is 150m, ch 3 is 169m, ch 2 is 206m, ch 1 is 256m

Sonobuoys were recorded on channels 5-8

Cable Depth was 50-60 feet

Shot Interval was 10 secs lines 1-19, 21-25, 30-31

Shot Interval was 17 secs for line 20

Shot Interval was 15 secs lines 26-28, 32-36

Shot Interval was 7 secs lines 29

Shot Interval was 12 secs lines 37 and 38

Sample Interval was 2000 microseconds for lines 1-19, 21-25, 29-31

Sample Interval was 4000 microseconds for lines 20, 26-28, 32-35, 36-38

Record Length was 7 seconds for lines 1-7

Record Length was 8 seconds lines 8-19, 21-25, 30-31, 36

Record Length was 15 seconds for line 20

Record Length was 12 seconds lines 26-28, 32-35

Record Length was 5 seconds for line 29

Record Length was 10 seconds lines 36-38

Sample Interval was 2000 microseconds for lines 1-19, 21-25, 29-31

Sample Interval was 4000 microseconds for lines 20, 26-28, 32-35, 36-38

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: DSS 240

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 150: channel 4; 169: channel 3; 206: channel 2, 256: channel 1

Antenna to Source (m): unknown

Number of Channels Recorded: 8 (Sonobuoys recorded on channels 5-8)

Channel Length (m): null

Cable Receiver Depth (m): 50 to 60

Source Volume (cubicInches): 1350: for 6 airguns; 210: for GI gun ?

Source Pressure (bars): 138

Source Number: 6 (GI gun used for lines 21-25)

Source Depth (m): 6.1

Shot Control: time

Shot Interval (s or m): 10: lines 1-19, 21-25, 30-31;<br>17: line 20;<br>15: lines 26-28, 32-36;<br>7: line 29;<br>12: lines 37,38

Compass Birds: no

Tail Buoy Positioning: no