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 STACKS SUMMARY LISTING (one-way transit times)

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

194	22-02-2003:12:26:32	1.405485	1.393913
174	22-02-2003:12:39:24	1.393515	1.38191
154	22-02-2003:12:48:41	1.381515	1.370004
129	22-02-2003:12:56:01	1.366174	1.354512
114	22-02-2003:13:01:23	1.356342	1.34559
194	22-02-2003:12:26:32	1.405485	1.393913
174	22-02-2003:12:39:24	1.393515	1.38191
154	22-02-2003:12:48:41	1.381515	1.370004
129	22-02-2003:12:56:01	1.366174	1.354512
114	22-02-2003:13:01:23	1.356342	1.34559