ODP logging contractor: LDEO-BRG
Hole: 1126D
Leg: 182
Location: Great Australian Bight (SW Pacific Ocean)
Latitude: 33° 30.5613' S
Longitude: 128° 3.9844' E
Logging date: October, 1998
Bottom felt: 795 mbrf (used for depth shift to sea floor)
Total penetration: 463.3 mbsf
Total core recovered: 40.5 m (12.9 %)

VSP TOOL USED: WST (Well Seismic Tool)

Acquisition Break Time: Time between start of recording and first break

Acquisition Transit Time: Time between shot firing (as recorded by blast phone) and first break. The shot is fired ~12 milliseconds after start of recording. The difference between Acquisition Break Time and Acquisition Transit Time is not constant and varies for each shot.

VSP STACKS SUMMARY LISTING (one-way transit times)

DEPTH ACQUISITION_ ACQUISITION_  ACQUISITION_
(mbsf) SHOT_TIME   BREAK_TIME    TRANSIT_TIME       
                     (s)             (s)             
420.1	30-10-1998:04:56:45	0.794691	0.723274
404.5	30-10-1998:05:03:38	0.78582	0.714582
375.1	30-10-1998:05:14:53	0.774261	0.703455
351.1	30-10-1998:05:23:58	0.765549	0.693297
325.1	30-10-1998:05:31:25	0.753115	0.682332
281.0	30-10-1998:05:38:25	0.735072	0.664063
24.00	30-10-1998:05:52:39	0.717039	0.645795
173.3	30-10-1998:06:14:50	0.685913	0.614847
130.1	30-10-1998:06:23:09	0.66552	0.594305