ODP logging contractor: LDEO-BRG
Hole: 1244E
Leg: 204
Location: Hydrate Ridge - Cascadia Margin (NE Pacific)
Latitude: 44° 35.1709' N
Longitude: 125° 7.1719' W
Logging date: August 20-21, 2002
Bottom felt: 905 mbrf
Total penetration: 250 mbsf
Total core recovered: 137.7 m (101.4 %)

VSP TOOL USED: WST3 (3-Component 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)               

250	21-08-2002:00:13:08	0.944685	0.893503
245	21-08-2002:00:20:40	0.96399	0.913691
240	21-08-2002:00:36:26	0.948785	0.897614
235	21-08-2002:00:40:08	0.950004	0.899704
230	21-08-2002:00:53:05	0.964324	0.913146
225	21-08-2002:01:01:10	0.963519	0.913844
220	21-08-2002:01:13:53	0.92793	0.877636
215	21-08-2002:01:17:59	0.930686	0.879496
210	21-08-2002:01:27:13	0.947666	0.897361
205	21-08-2002:01:30:48	0.959522	0.908346
200	21-08-2002:01:40:19	0.943933	0.892759
195	21-08-2002:01:43:53	0.913092	0.86279
190	21-08-2002:01:55:01	0.937223	0.886926
185	21-08-2002:01:58:25	0.923212	0.872034
180	21-08-2002:02:11:05	0.932281	0.881973
175	21-08-2002:02:14:27	0.910575	0.85938
170	21-08-2002:02:25:28	0.906372	0.856073
165	21-08-2002:02:28:37	0.900235	0.849042
160	21-08-2002:02:41:06	0.90663	0.856325
155	21-08-2002:02:47:26	0.909946	0.858762
150	21-08-2002:02:59:03	0.91564	0.864456
145	21-08-2002:03:03:13	0.877854	0.827549
140	21-08-2002:03:12:31	0.883149	0.831959
135	21-08-2002:03:16:06	0.886367	0.836065
130	21-08-2002:03:26:28	0.909384	0.858197
125	21-08-2002:03:30:15	0.889645	0.83846
120	21-08-2002:03:39:49	0.909515	0.858329
115	21-08-2002:03:43:02	0.9057	0.854507
110	21-08-2002:03:53:10	0.882648	0.831478
105	21-08-2002:03:56:28	0.894374	0.84406
99	9999 21-08-2002:04:0	7:10 0.87	6726 0.826416
89	9999 21-08-2002:04:2	5:35 0.86	1667 0.810489
84	9999 21-08-2002:04:3	0:07 0.86	3333 0.812151