RC2308 Cruise/project information ------------------------------------------------------------------------------------- Cruise Name RC2308 NGDC number 01010221 Platform Conrad (LDEO) Kana Keoki (U of Hawaii) Ship Operator LDEO U of Hawaii Chief Scientist Conrad: Peter Buhl Conrad: Anthony Watts Kana Keoki: Thomas M. Brocher (U of Hawaii) Kana Keoki: John C. Mutter (LDEO) Principal Investigator Anthony Watts (LDEO) Peter Buhl (LDEO All collaborating LDEO Institutions University of Hawaii Beginning date 08/13/82 Ending date 09/07/82 MCS start date 08/14/82 MCS end date 09/06/82 Cruise Report yes - paper Start Port Honolulu, Hawaii End Port Honolulu, Hawaii Project Name Project Description A multichannel seismic study of the Hawaiian Ridge:Lithospheric Flexure Funding organization NSF Award # OCE81-11794 (LDEO) Abstract NO ------------------------------------------------------------------------------------- navigation type: US Navy Transit Satellite cdp navigation files in RC2308.cdpnav.tar: 301.cdpnav 303.cdpnav 304.cdpnav 305.cdpnav 306.cdpnav 307.cdpnav 308.cdpnav 310.cdpnav 311.seg1.cdpnav 311.seg2.cdpnav 311.seg3.cdpnav 313.cdpnav 313.copE.cdpnav 314.cdpnav 316.cdpnav 317.cdpnav 319.cdpnav 320.cdpnav 322.cdpnav 323.cdpnav 325.cdpnav 326.cdpnav 327.cdpnav 328.cdpnav 329.cdpnav 330.cdpnav 331.cdpnav 332.cdpnav RC2308.all.cdpnav RC2308.line.start_end.cdpnav Below is a listing of 1st and last cdps and lat/lon from each line cdpnav file: 301.cdpnav 21.142432 -157.951877 116 1982 08 15 09 02 32 481 301 rc2308 19.276033 -159.154500 6119 1982 08 16 21 33 49 524 301 rc2308 303.cdpnav 19.142338 -158.853916 152 1982 08 17 03 47 30 192 303 rc2308 19.519055 -159.404644 1578 1982 08 17 11 53 32 247 303 rc2308 304.cdpnav 19.218575 -159.174368 507 1982 08 17 18 41 42 328 304 rc2308 20.038730 -158.641240 2643 1982 08 18 05 14 25 378 304 rc2308 305.cdpnav 20.216583 -158.938860 70 1982 08 18 12 30 06 884 305 rc2308 19.972133 -158.301350 1509 1982 08 18 19 59 41 962 305 rc2308 306.cdpnav 20.029485 -158.641479 560 1982 08 19 02 23 48 850 306 rc2308 20.299580 -158.442468 1289 1982 08 19 06 06 52 617 306 rc2308 307.cdpnav 20.516105 -158.813207 219 1982 08 19 13 26 58 520 307 rc2308 20.079531 -158.051757 2084 1982 08 19 23 32 20 557 307 rc2308 308.cdpnav 20.269173 -158.443261 263 1982 08 20 08 27 57 201 308 rc2308 20.573780 -158.007455 1396 1982 08 20 14 00 22 738 308 rc2308 310.cdpnav 20.724815 -158.448108 881 1982 08 20 21 29 18 470 310 rc2308 20.428421 -157.575716 2797 1982 08 21 07 51 07 501 310 rc2308 311.seg1.cdpnav 20.567169 -158.068546 338 1982 08 21 15 54 41 281 seg1 311 rc2308 20.731847 -157.822061 968 1982 08 21 19 25 02 663 seg1 311 rc2308 311.seg2.cdpnav 20.734991 -157.819789 1064 1982 08 21 19 27 50 312 seg2 311 rc2308 20.981563 -157.803733 1651 1982 08 21 22 37 18 346 seg2 311 rc2308 311.seg3.cdpnav 20.985323 -157.802838 1782 1982 08 21 22 40 05 769 seg3 311 rc2308 21.221520 -157.621753 2428 1982 08 22 02 18 10 149 seg3 311 rc2308 313.cdpnav 21.028480 -157.991877 451 1982 08 22 09 45 10 642 313 rc2308 21.390339 -157.261961 2156 1982 08 22 19 20 53 417 313 rc2308 313.copE.cdpnav 21.426268 -157.232996 284 1982 08 22 19 56 27 009 copE 313 rc2308 22.123192 -157.792810 2215 1982 08 23 05 38 22 449 copE 313 rc2308 314.cdpnav 22.097394 -157.823713 227 1982 08 23 06 58 26 726 314 rc2308 24.117439 -157.438036 4841 1982 08 24 08 45 56 117 314 rc2308 316.cdpnav 24.099613 -157.819278 165 1982 08 24 16 13 54 548 316 rc2308 24.089000 -157.088273 1650 1982 08 25 01 08 01 276 316 rc2308 317.cdpnav 24.144035 -157.447541 366 1982 08 25 06 04 19 546 317 rc2308 23.113642 -157.577700 2668 1982 08 25 18 07 10 285 317 rc2308 319.cdpnav 23.307861 -157.850703 165 1982 08 26 00 41 04 643 319 rc2308 22.944800 -157.289671 1570 1982 08 26 08 32 30 206 319 rc2308 320.cdpnav 23.181472 -157.595897 376 1982 08 26 13 29 38 889 320 rc2308 22.553045 -157.667550 1781 1982 08 26 21 25 44 363 320 rc2308 322.cdpnav 22.736064 -158.067694 245 1982 08 27 09 14 34 025 322 rc2308 22.375484 -157.278369 2057 1982 08 27 20 01 29 932 322 rc2308 323.cdpnav 22.638765 -157.653109 457 1982 08 28 02 03 29 742 323 rc2308 22.094732 -157.835827 1725 1982 08 28 09 08 07 717 323 rc2308 325.cdpnav 22.142234 -157.499003 674 1982 08 28 18 46 11 968 325 rc2308 22.240448 -158.671040 3092 1982 08 29 06 35 56 138 325 rc2308 326.cdpnav 22.251200 -158.659799 270 1982 08 29 06 24 59 977 326 rc2308 21.805838 -159.113755 1635 1982 08 29 12 57 25 855 326 rc2308 327.cdpnav 21.459900 -159.512000 177 1982 08 29 19 25 27 647 327 rc2308 21.709200 -159.238300 975 1982 08 29 23 45 27 799 327 rc2308 328.cdpnav 21.703190 -159.170698 318 1982 08 30 02 49 28 303 328 rc2308 21.379807 -158.930505 1193 1982 08 30 07 36 27 811 328 rc2308 329.cdpnav 20.844136 -158.644294 220 1982 08 30 15 07 07 124 329 rc2308 18.977813 -159.336071 5808 1982 08 31 21 37 47 313 329 rc2308 330.cdpnav 19.084273 -159.264279 122 1982 09 01 04 22 37 412 330 rc2308 22.146804 -157.489742 9969 1982 09 03 04 13 34 401 330 rc2308 331.cdpnav 22.153718 -157.492867 199 1982 09 03 04 17 54 058 331 rc2308 24.450533 -157.431100 5918 1982 09 04 08 48 34 079 331 rc2308 332.cdpnav 24.458810 -157.403282 180 1982 09 04 10 31 39 906 332 rc2308 20.494584 -158.309163 12002 1982 09 06 15 54 57 312 332 rc2308 field data: cdp gathers at LDEO processed data files: Below is a list of SEG-Y stack files including header info from first and last traces each file. Fields are as follows: LINE CDP SHOT DATE TIME REC_DELAY SAMPLES SAMP_INT NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/301.C_C.stk.162_6005 301 162 162 08/15/1982 227/09:32:00.000 0 2560 8000 301 6005 6005 08/16/1982 228/21:12:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/301.K_C.stk.116_6116 301 116 116 08/15/1982 227/09:03:00.000 0 2502 8000 301 6116 6116 08/16/1982 228/21:13:00.000 5000 1878 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/303.C_C.stk.152_1553 303 152 152 08/17/1982 229/04:00:58.000 0 2560 8000 303 1553 1553 08/17/1982 229/11:40:27.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/303.K_C.stk.840_1585 303 840 840 08/17/1982 229/07:09:00.000 0 2497 8000 303 1585 1585 08/17/1982 229/11:39:00.000 0 2497 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/304.C_C.stk.507_2643 304 507 507 08/17/1982 229/18:55:27.000 0 2558 8000 304 2643 2643 08/18/1982 230/05:15:27.000 0 2558 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/305.C_C.stk.70_1472 305 70 70 08/18/1982 230/12:42:58.000 5000 2560 8000 305 1472 1472 08/18/1982 230/19:48:28.000 5000 1935 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/305.K_C.stk.956_1509 305 956 956 08/18/1982 230/17:07:00.000 496 2560 8000 305 1509 1509 08/18/1982 230/19:49:00.000 496 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/306.C_C.stk.560_1289 306 560 560 08/19/1982 231/02:35:27.000 0 2560 8000 306 1289 1289 08/19/1982 231/06:08:28.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/307.C_C.stk.201_2084 307 201 201 08/19/1982 231/13:33:58.000 5000 2560 8000 307 2084 2084 08/19/1982 231/23:33:27.000 4000 2060 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/308.C_C.stk.263_1370 308 263 263 08/20/1982 232/08:40:28.000 0 2560 8000 308 1370 1370 08/20/1982 232/13:53:27.000 0 2558 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/308.K_C.stk.434_1537 308 434 434 08/20/1982 232/08:40:00.000 5000 1950 8000 308 1537 1537 08/20/1982 232/13:53:00.000 5000 1950 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/310.C_C.stk.881_2785 310 881 881 08/20/1982 232/21:40:58.000 4000 2060 8000 310 2785 2785 08/21/1982 233/07:48:27.000 4000 2060 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/310.K_C.stk.1762_2797 310 1761 1761 08/21/1982 233/02:17:00.000 0 2560 8000 310 2797 2797 08/21/1982 233/07:41:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/311.C_C.stk.seg1.338_968 311 338 338 08/21/1982 233/16:08:27.000 0 5120 4000 311 968 968 08/21/1982 233/19:26:27.000 0 5120 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/311.C_C.stk.seg2.1064_1651 311 1064 1064 08/21/1982 233/19:28:28.000 0 5120 4000 311 1651 1651 08/21/1982 233/22:38:28.000 0 5120 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/311.C_C.stk.seg3.1744_2428 311 1744 1744 08/21/1982 233/22:40:27.000 0 5120 4000 311 2428 2428 08/22/1982 234/02:19:27.000 0 5115 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/313.C_C.stk.451_2156 313 451 451 08/22/1982 234/09:57:58.000 0 2560 8000 313 2156 2156 08/22/1982 234/19:22:27.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/313.cope.C_C.stk.245_2215 313 245 245 08/22/1982 234/19:56:28.000 0 5115 4000 313 2215 2215 08/23/1982 235/05:39:27.000 0 5120 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/314.C_C.stk.227_4841 314 227 227 08/23/1982 235/07:15:00.000 0 2560 8000 314 4841 4841 08/24/1982 236/08:47:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/314.K_C.stk.285_4878 314 285 285 08/23/1982 235/07:16:00.000 5000 1938 8000 314 4878 4878 08/24/1982 236/08:48:00.000 5000 1938 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/316.C_C.stk.165_1647 316 165 165 08/24/1982 236/16:28:58.000 3496 2560 8000 316 1647 1647 08/25/1982 237/01:08:27.000 3496 2122 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/316.K_C.stk.799_1684 316 799 799 08/24/1982 236/20:01:00.000 0 2560 8000 316 1684 1684 08/25/1982 237/01:09:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/317.C_C.stk.366_2668 317 366 366 08/25/1982 237/06:15:27.000 0 5116 4000 317 2668 2668 08/25/1982 237/18:08:27.000 0 5120 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/319.C_C.stk.165_1565 319 165 165 08/26/1982 238/00:56:59.000 4000 2060 8000 319 1565 1565 08/26/1982 238/08:32:28.000 4000 2060 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/319.K_C.stk.836_1601 319 836 836 08/26/1982 238/04:29:00.000 0 2560 8000 319 1601 1601 08/26/1982 238/08:32:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/320.C_C.stk.376_1781 320 376 376 08/26/1982 238/13:42:28.000 0 5115 4000 320 1781 1781 08/26/1982 238/21:27:28.000 0 5120 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/322.C_C.stk.245_2053 322 245 245 08/27/1982 239/09:27:57.000 4000 2060 8000 322 2053 2053 08/27/1982 239/20:01:27.000 4000 2060 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/322.K_C.stk.1196_2086 322 1196 1196 08/27/1982 239/14:41:00.000 0 2560 8000 322 2086 2086 08/27/1982 239/19:59:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/323.C_C.stk.457_1725 323 457 457 08/28/1982 240/02:15:27.000 0 5116 4000 323 1725 1725 08/28/1982 240/09:09:27.000 0 5116 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/325.C_C.stk.674_2884 325 674 674 08/28/1982 240/18:55:57.000 0 2560 8000 325 2884 2884 08/29/1982 241/05:29:27.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/325.K_C.stk.1819_3092 325 1819 1819 08/29/1982 241/00:15:00.000 0 2560 8000 325 3092 3092 08/29/1982 241/06:23:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/326.C_C.stk.233_1635 326 233 233 08/29/1982 241/06:25:00.000 0 2560 8000 326 1635 1635 08/29/1982 241/12:58:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/327.C_C.stk.177_975 327 177 177 08/29/1982 241/19:38:58.000 0 2560 8000 327 975 975 08/29/1982 241/23:46:57.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/328.C_C.stk.318_1189 328 318 318 08/30/1982 242/03:04:27.000 0 5120 4000 328 1189 1189 08/30/1982 242/07:36:28.000 0 5120 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/328.K_C.stk.353_1221 328 353 353 08/30/1982 242/03:04:00.000 0 5120 4000 328 1221 1221 08/30/1982 242/07:35:00.000 0 5120 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/329.C_C.stk.191_5808 329 191 0 08/30/1982 242/15:10:00.000 5000 896 8000 329 5808 0 08/31/1982 243/21:39:00.000 5000 896 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/330.C_C.stk.122_9969 330 122 0 09/01/1982 244/04:40:00.000 5000 1410 8000 330 9969 0 09/03/1982 246/04:14:00.000 3496 1098 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/331.C_C.stk.199_5918 331 199 0 09/03/1982 246/04:18:00.000 3496 1098 8000 CDPSP GAP BETWEEN 1678 AND 1715 331 5918 0 09/04/1982 247/08:49:00.000 3496 1473 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/332.C_C.stk.180_12002 332 180 0 09/04/1982 247/10:43:00.000 3000 1535 8000 332 12002 0 09/06/1982 249/15:56:00.000 4000 1535 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/301.add.stk.2958_6116 301 2958 2958 08/15/1982 227/21:50:27.000 0 2560 8000 301 6116 6116 08/16/1982 228/21:13:00.000 5000 1878 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/301.vfadd.stk.1506_3500 301 1506 1506 08/15/1982 227/14:56:28.000 0 2560 8000 301 3500 3500 08/16/1982 228/01:17:28.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/303.add4ms.stk.836_1205 303 836 836 08/17/1982 229/07:08:27.000 4000 2000 4000 303 1205 1205 08/17/1982 229/09:26:27.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/303.add8ms.stk.1206_1585 303 1206 1206 08/17/1982 229/09:26:27.000 4000 2000 4000 303 1585 1585 08/17/1982 229/11:39:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/310.addsh1.stk.1761_2927 310 1761 1761 08/21/1982 233/02:17:27.000 4000 2000 4000 310 2797 2797 08/21/1982 233/07:41:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/310.addsh2.stk.1761_2927 310 1761 1761 08/21/1982 233/02:17:27.000 4000 2000 4000 310 2797 2797 08/21/1982 233/07:41:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/310.add1.stk.1761_2927 310 1761 1761 08/21/1982 233/02:17:27.000 4000 2000 4000 310 2797 2797 08/21/1982 233/07:41:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/310.add2.stk.1761_2927 310 1761 1761 08/21/1982 233/02:17:27.000 4000 2000 4000 310 2797 2797 08/21/1982 233/07:41:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/314.addf1.stk.2003_4878 314 2003 2003 08/23/1982 235/15:58:00.000 4000 2000 4000 314 4878 4878 08/24/1982 236/08:48:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/314.addf2.stk.231_1999 314 231 231 08/23/1982 235/07:15:00.000 4000 2000 4000 314 1999 1999 08/23/1982 235/15:57:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/314.add1.stk.2000_4878 314 2000 2000 08/23/1982 235/15:57:00.000 0 2560 8000 314 4878 4878 08/24/1982 236/08:48:00.000 5000 1938 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/314.add2.stk.227_950 314 227 227 08/23/1982 235/07:15:00.000 0 2560 8000 314 950 950 08/23/1982 235/10:45:00.000 0 2560 8000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/316.add.stk.798_1684 316 798 798 08/24/1982 236/20:00:27.000 4000 2000 4000 316 1684 1684 08/25/1982 237/01:09:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/319.add.stk.835_1601 319 835 835 08/26/1982 238/04:29:28.000 4000 2000 4000 319 1601 1601 08/26/1982 238/08:32:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/322.add.stk.1195_2086 322 1195 1195 08/27/1982 239/14:39:27.000 4000 2000 4000 322 2086 2086 08/27/1982 239/19:59:00.000 4000 2000 4000 NEXT FILE /data/mstorer2/ldeo_1/users/link/seismic/processed/RC2308/325.add.stk.1819_3092 325 1817 1817 08/29/1982 241/00:14:28.000 4000 2000 4000 325 3092 3092 08/29/1982 241/06:23:00.000 4000 2000 4000 ------------------------------------------------------------------------------------- processing system LDEO MCS Inhouse processing normal moveout and stack, some mute, some noise filter 'nmoadd' stacks combine Conrad and Kana Keoki shots cdp spacing 50 meters ------------------------------------------------------------------------------------- RC2308 Seismic Acquisition Parameters (Conrad) ********************************************************** Number of Channels 48 Group Spacing 50,100, 50,100,... meters For this cruise the streamer had the following spacing: 2 50m actives followed by a 50m dead section, so 48 channels over 3500m. (i.e. trace offset 48 300 47 350 46 450 45 500 44 600 43 650 42 750 . . . . . . ) Source to Near Channel 300 meters Antenna to Source (Conrad) 40 meters Antenna to Source (Kana Keoki) 74 meters Near Channel Number 48 Cable Depth 45-50 feet Acquisition System Name DSFIV Source Volume (Conrad) 1864 cu. in. Source Pressure (Conrad) 2000 psi Source Type (Conrad) Bolt 1500C Source Number (Conrad) 4 Source Depth (Conrad) UNKNOWN meters Shot Control (Conrad) Time: Every minute on the half minute for Constant Offset Lines. At 20 second intervals for the single ship cdp lines 329-332. Source Volume (Kana Keoki)) 1920 cu. in. Source Pressure (Kana Keoki) 2000 psi Source Type (Kana Keoki) Bolt 1500C ? Source Number (Kana Keoki) 3 Source Depth (Kana Keoki) UNKNOWN meters Shot Control (Kana Keoki) Time: Every minute on the half minute for Constant Offset Lines. For these lines the the Kana Keoki was in front of the Conrad. The distance between the two ships was measured by Miniranger and Raydist. Each COP line was shot twice using two ship separations: 3.6 and 16 km. Airgun and Explosive ESPs (Expanding Spread Profiles) were also shot during this cruise. Acquisition Sample Interval 4000 microseconds Record Length Compass No Active Tail Buoy No Recording Delay ? Acquisition System Analog 2 or more ships Yes ********************************************************** Ship Distances for COP lines: Line COP Distance 301 A 3.6 303 cdp/esp/cop 3.6 304 B 16.0 305 cdp/esp/cop 3.6 306 C 16.0 307 cdp/esp/cop 3.6 308 D 16.0 310 cdp/esp/cop 3.6 311 E 18.0 313 E 3.6 314 F 3.6 316 cdp/esp/cop 3.6 317 G 16.0 319 cdp/esp/cop 3.6 320 H 16.0 322 cdp/esp/cop 3.6 323 I 16.0 325 cdp/esp/cop 3.6 326 J 3.6 327 cdp/esp/cop 3.6 328 K 3.6 ********************************************************** CDP lines (Conrad only) 329 330 331 332 **********************************************************