ODP logging contractor: LDEO-BRG
Hole: 1261B
Leg: 207
Location: Demerara Rise (equatorial NW Atlantic)
Latitude: 9° 2.918' N 
Longitude: 54° 19.049' W 
Logging date: February 21-22, 2003
Bottom felt: 1911 mbrf 
Total penetration:  674.1 mbsf 
Total core recovered:  92.49 m (62.16 %)

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 SHOTS SUMMARY LISTING (one-way transit times)

DEPTH ACQUISITION_ ACQUISITION_  ACQUISITION_     
(mbsf) SHOT_TIME   BREAK_TIME    TRANSIT_TIME       
                     (s)             (s)               

194	22-02-2003:12:23:33	1.40516	1.393589
194	22-02-2003:12:24:32	1.405484	1.393709
194	22-02-2003:12:24:56	1.405565	1.393806
194	22-02-2003:12:25:24	1.405563	1.393965
194	22-02-2003:12:25:50	1.405234	1.39362
174	22-02-2003:12:32:36	1.393529	1.381924
174	22-02-2003:12:33:36	1.401119	1.389361
174	22-02-2003:12:34:38	1.392517	1.381755
174	22-02-2003:12:36:15	1.393501	1.381826
174	22-02-2003:12:37:31	1.393552	1.381917
154	22-02-2003:12:44:35	0.455347	0.443786
154	22-02-2003:12:45:16	1.383571	1.371143
154	22-02-2003:12:45:31	1.382432	1.370707
154	22-02-2003:12:45:57	1.381249	1.369815
154	22-02-2003:12:46:23	1.38137	1.369773
129	22-02-2003:12:53:20	1.366034	1.354372
129	22-02-2003:12:53:53	1.366641	1.354903
129	22-02-2003:12:54:19	1.366174	1.354665
129	22-02-2003:12:54:36	1.365816	1.354173
129	22-02-2003:12:54:55	1.366642	1.354888
114	22-02-2003:12:59:17	1.356295	1.345543
114	22-02-2003:12:59:51	1.356876	1.345441
114	22-02-2003:13:00:11	1.357343	1.34568
114	22-02-2003:13:00:30	1.357404	1.345737
114	22-02-2003:13:00:52	1.357433	1.345707