System (1-sss, 2-boomer, 3-fath/nav, 4-target) Line # JD GMT Target 1 252 2315 ISIS GAINS: PORT-12DB; STRD-12DB; SUBB-15DB. ALSO USING 3 DB ATTENUATION ON OUTGOING SUBBOTTOM. PING RATE 0.25 SEC. RECORDING IN 8 BIT RATHER THAN 16 BECAUSE OF THE NATURE OF THE BORROW-SITE SURVEY CONDUCTED IN MAY '96. 1 1 253 41 L1F1.DAT START LINE 1 1 1 253 110 L1F2.DAT FILE CHANGE 1 1 253 236 L1F2.DAT END OF LINE 1 1 2 253 255 L2F1.DAT START LINE 2. LATE START DUE TO TRYING DIFFERENT VERSIONS OF ISIS. CANT GET RID OF ARTIFACTS SHOWING UP IN THE DATA ON CHANNEL 3. HITTING RESTORE MOVES THE LOCATION OF THE ARTIFACTS AROUND, BUT DOES NOT GET RID OF IT. 1 2 253 306 L2F1.DAT 6 dB OF GAIN BEING APPLIED TO PORT AND STARBOARD SS. 15 dB OF GAIN ON THE SUB-BOTTOM, WITH THE OUTPUT POWER ATTENUATED BY 9 dB. 1 2 253 324 L2F2.DAT ACCIDENTLY STOPPED RECORDING! RESTARTED RIGHT AWAY.. 1 2 253 409 L2F1.DAT REDUCE GAIN ON SUBBOTTOM TO 15DB. INCREASE OUTGOING ATTENUATION TO 12DB. 1 2 253 426 L2F2.DAT ISIS GAINS ADJUSTED. 0DB ON PORT AND STRB & 15DB ON SUBBOTTOM. DROPOUTS BEGIN TO APPEAR. NOTHING TO DO WITH THE GAIN ADJUSTMENT. 1 2 253 444 L2F2.DAT PULLED FISH IN A FEW METERS. DROPOUTS SEEM TO HAVE GONE AWAY. 1 2 253 445 L2F2.DAT CONTINUE TO ADJUST FISH ALTITUDE TO SEE IF WE CAN GET RID OF THERMOCLINE AND DROPOUTS. 1 2 253 450 L2F2.DAT END LINE 2. SHUT DOWN ISIS. CLEAN SLIP RINGS. 1 3 253 459 L3F1.DAT START LINE 3. PROCESSIN COMPUTER CRASHED!! 1 3 253 503 L3F1.DAT PROCESSING COMPUTER BACK ON. DATA BEING SENT TO COMPUTER VIA NETWORK. THUS, THIS IS THE REAL START OF LINE. 1 3 253 643 L3F1.DAT END LINE 3. 1 4 253 655 L4F1.DAT START LINE 4. STARTED FILE LATE DUE TO ISIS PROBLEM....OR PILOT ERROR. ALEUTIAN KEEPS CRASHING ON LINE CHANGE. 1 4 253 658 L4F1.DAT ALEUTIAN CRASHED AGAIN. 1 4 253 701 L4F1.DAT ALEUTIAN BACK ON. 1 4 253 713 L4F1.DAT SEEING THERMOCLINE NOISE ON SONAR...COMES AND GOES. 1 4 253 726 L4F1.DAT LOWER FISH 2 M TO GET BELOW THERMOCLINE....DIDN'T SEEM TO MAKE MUCH DIFFERENCE. 1 4 253 845 L4F1.DAT END LINE 4 1 5 253 853 L5F1.DAT START LINE 5. SEEM TO HAVE SOLVED THE "CRASH" PROBLEMS WITH ALEUTIAN. 1 5 253 1048 L5F1.DAT END LINE 5. 1 6 253 1059 L6F1.DAT START LINE 6. 1 6 253 1251 L6F1.DAT RAISE FISH 2 M. 1 6 253 1300 L6F1.DAT END LINE 6. 1 7 253 1308 L7F1.DAT START LINE 7. 1 7 253 1455 L7F1.DAT END LINE 7. 1 8 253 1501 L8F1.DAT START LINE 8. SEEING A THERMOCLINE EFFECT AGAIN. 1 8 253 1505 L8F1.DAT LOWER FISH 3 M. ALT=~9M. 1 8 253 1702 L8F1.DAT END OF LINE 8. 1 9 253 1707 L9F1.DAT START LINE 9 1 9 253 1746 L9F2.DAT ALEUTIAN CRASHED - START NEW DISK FILE 1 9 253 1852 L9F2.DAT END OF LINE 9. 1 10 253 1858 L10F1.DAT Start line 10. 1 10 253 1902 L10F1.DAT MINOR THERMOCLINE AT FAR RANGE. FISH FLYING AT 11 METERS ABOVE BOTTOM. 1 10 253 1906 l10f1.dat SUB BOTTOM OFF FOR A FEW MINUTES. CHECKING INTERFERENCE WITH BOOMER (IF ANY). 1 10 253 1908 l10f1.dat Sub bottom back on. No interference noted with boomer. Looks like the bandpass at 250-2500 hertz eliminated most of the chirp crossover into the boomer record. 1 10 253 2053 l10f1.dat End of line 10 1 11 253 2100 L11F1.DAT START LINE 11 1 11 253 2235 L11F1.DAT EOL 11 1 12 253 2241 L12F1.DAT START OF LINE 12 1 12 254 52 L12F1.DAT END OF LINE 12 1 13 254 58 L13F1.DAT START OF LINE 13 1 13 254 227 L13F1.DAT MINOR THERMOCLINE, NOT TOO BAD THOUGH. LEAVE THE FISH AS IS. 1 13 254 229 L13F1.DAT END OF LINE 13 1 14 254 237 L14F1.DAT START OF LINE 14 1 14 254 242 L14F1.DAT FISH UP 3 METERS. 1 14 254 449 L14F1.DAT END LINE 14. 1 15 254 455 L15F1.DAT START LINE 15. 1 15 254 639 L15F1.DAT END LINE 15. 1 16 254 645 L16F1.DAT START LINE 16. 1 16 254 835 L16F1.DAT END LINE 16. 1 17 254 840 L17F1.DAT START LINE 17. 1 17 254 1021 L17F1.DAT END LINE 17. 1 18 254 1027 L18F1.DAT START LINE 18. NOISE IS GETTING WORSE AS WE MOVE INTO SHALLOWER WATER. THERMOCLINE WORSE ON EASTERN END OF LINES. 1 18 254 1225 L18F1.DAT END LINE 18. 1 19 254 1230 L19F1.DAT START LINE 19. 1 19 254 1303 L19F1.DAT BRING IN FISH TO AVOID WRECK ON CHART. WENT RIGHT OVER IT AND SAW NOTHING! 1 20 254 1406 L20F1.DAT START LINE 20. 1 20 254 1622 L20F1.DAT END OF LINE 20 1 21 254 1626 L21F1.DAT START OF LINE 21 1 65 254 1718 l65f1.dat fish down 2 meters. 1 21 254 1800 L21F1DAT END OF LINE 21 1 22 254 1809 L22F1.DAT START ISIS LINE 22 1 22 254 2007 L22F1.DAT END OF LINE 22 1 23 254 2012 L23F1.DAT START LINE 23 1 23 254 2025 L23F1.DAT STOP TO PULL IN GEOPULSE SLED - CLEAN OFF WEEDS 1 23 254 2030 CIRCLING TO RESTART LINE 23 1 23 254 2047 L23F2.DAT RESTART LINE 23 1 23 254 2048 L23F2.DAT FISH DOWN A FEW METERS 1 23 254 2201 L23F2.DAT THERMOCLINE HAS BEEN ABSENT FOR THE ENTIRE LINE... 1 23 254 2204 L23F2.DAT WELL, THE THERMOCLINE JUST SHOWED UP. SHOULD HAVE NOT SAID ANYTHING! 1 23 254 2230 L23F2.DAT END LINE 23 1 24 254 2238 L24F1.DAT START LINE 24 - FISH UP 1 24 255 21 L24F1.DAT CHANNEL FEATURE 8 METERS IN DEPTH. SHOWS UP VERY WELL ON THE CHIRP PROFILE. INTERIOR STRUCTURE WELL DEFINED. 1 24 255 45 FISH OUT 1 24 255 50 L24F1.DAT END OF LINE 24 1 25 255 58 L25F1.DAT START LINE 25 1 25 255 219 L25F1.DAT END LINE 25. BRINGING FISH IN APPROX 3 METERS. GETTING SHALLOWER. 1 26 255 225 L26F1.DAT START LINE 26 1 26 255 227 L26F1.DAT FISH DOWN 2 METERS. BAD THERMOCLINE AT THE FAR RANGE. MANAGED TO GET JUST BELOW IT. FISH ALT APPROX 5 METERS. 1 26 255 248 L26F1.DAT SOME THERMOCLINE, NOT TOO BAD. DEPTH HERE IS 15 METERS. 1 26 255 304 L26F1.DAT COMING THROUGH SOME HI-BACKSCATTER RIPPLE FIELDS (SAND WAVES AS THEY SHOW UP QUITE NICELY ON THE 187 METER RANGE SCALE). 1 26 255 415 L26F1.DAT END LINE 26. 1 27 255 422 L27F1.DAT START LI NE 27. 1 27 255 507 L27F1.DAT RAISE FISH 2 M. CUT DOWN POWER TO SUBBOTTOM (-21DB). 1 27 255 518 L27F1.DAT STARTING TO SEE RIPPLES IN THE HIGH BS SEDIMENT. 1 27 255 555 L27F1.DAT END LINE 27. 1 28 255 600 L28F1.DAT START LINE 28. 1 28 255 733 L28F1.DAT END LINE 28. 1 29 255 739 L29F1.DAT START LINE 29. 1 29 255 845 L29F1.DAT BRING TOWFISH IN 2 M. 1 29 255 849 L29F1.DAT SEEING A FEW FAINT TRAWL-MARKS IN THE NEAR RANGE. 1 29 255 854 L29F1.DAT FIRST REALLY CLEAR RIPPLED SCOUR DEPRESSION. CAN SEE DEPRESSION SHADOW. 1 29 255 859 L29F1.DAT END LINE 29. 1 30 255 908 L30F1.DAT START LINE 30. 1 30 255 1017 L30F1.DAT END LINE 30. 1 31 255 1038 L31F1.DAT START LINE 31. 1 31 255 1116 L31F1.DAT END LINE 31. 1 32 255 1233 L32F1.DAT START LINE 32. HAD PROBLEMS WITH ISIS/NETWORK. TRACED IT TO SIDESCAN ISIS. REBOOTED AND THINGS BACK TO NORMAL. THIS LINE WILL RUN ALONG THE SHORE TO THE EAST BORDER OF THE SUVEY AREA. THEN START THE TIE LINES. 1 32 255 1445 L32F1.DAT END LINE 32. 1 33 255 1556 L33F1.DAT START LINE 33. 1 33 255 1608 L33F1.DAT LOWER FISH ABOUT 3M. 1 33 255 1649 L33F1.DAT SET SUB-BOTTOM OUTPUT ATTENUATION TO -18 DB, UP FROM -21 DB. 1 33 255 1720 COMING BACK AROUND TO RESTART LINE 33, THIS TIME RUNNING SOUTH TO NORTH. REASON: OUTPUT POWER ON THE BOOMER WAS SET TO 180 JOULES FOR THE INSHORE LINES AND THIS PROVED TO BE INSUFFICIENT POWER FOR THE DEEPER LINES. UPPED THE POWER TO 270 JOULES AND THE SUB-BOTTOM DATA LOOKS MUCH BETTER. 1 34 255 1734 L34F1.DAT START OF LINE 34. RE-RUN OF LINE 33. SEE LINE 33, SYSTEM 1 FOR COMMENTS ON WHY. 1 34 255 1820 L34F1.DAT FISH IN 2 METERS. 1 34 255 1825 NOTES: ON THE FILE CHANGE, TRITON NEEDS TO SAVE THE LAST NAV FIX IN A BUFFER SINCE THE FIRST N PINGS ARE ZERO FOR LAT AND LON, THAT IS, UNTIL THE NEXT NAV FIX COMES OVER FROM THE NAV COMPUTER. ALSO, THE SIS-7000 ISIS SYSTEM (DSP SYSTEM) FAILS TO CONTACT THE SIS-1000 SERVER OCCASIONALLY UPON STARTING A NEW FILE. ARTIFACTS ALSO SHOW UP IN THE SUB-BOTTOM WHEN STARTING A NEW FILE AND CAN BE CLEARED BY HITTING THE RESTORE KEY...BUG? 1 34 255 1848 L34F1.DAT END OF LINE 34. 1 35 255 1918 L35F1.DAT START LINE 35, HEADING SOUTH. 1 35 255 1932 L35F1.DAT FISH DOWN 4 METERS. 1 35 255 2043 L35F1.DAT END OF LINE 35 1 TRA 255 2046 TRANSIT TO LINE 36 1 36 255 2137 L36F1.DAT REBOOT ISIS AFTER ALEUTIAN CRASHED - START RECORDING FILE 1 36 255 2217 L36F1.DAT FISH A FEW METERS 1 36 255 2247 L36F1.DAT FISH UP 2 METERS. 1 36 255 2258 L36F1.DAT END OF LINE 36 FISH UP 1 37 255 2331 L37F1.DAT START LINE 37. MISSING THE FIRST PART OF THE LINE, APPROX 300 METERS. 1 37 255 2358 L37F1.DAT IN NEW GRID AREA SOUTH OF FIRE ISLAND INLET. RUNNING SHORE PARALLEL LINES INSHORE TO OFFSHORE. 1 37 256 124 L37F1.DAT END OF LINE 37. FOLLOWING THE 20 FOOT CONTOUR TO THE START OF LINE 38 1 38 256 147 L38F1.DAT START LINE 38 1 38 256 332 L38F1.DAT END LINE 38. 1 39 256 338 L39F1.DAT START LINE 39. 1 39 256 419 L39F1.DAT LOWER FISH TO ~7M ALTITUDE. 1 39 256 551 L39F1.DAT END LINE 39. ALEUTIAN CRASHED. ISIS LOCKED UP. 1 40 256 556 L40F1.DAT START LINE 40. 1 40 256 632 L40F1.DAT ALEUTIAN CRASH. ISIS LOCKED UP. REBOOT ISIS. 1 40 256 652 L40F2.DAT BACK ON LINE 40. THERE IS SOME OVERLAP BETWEEN L40F1.DAT AND L40F2.DAT. 1 40 256 652 L40F2.DAT BACK ON LINE 40. THERE IS SOME OVERLAP BETWEEN L40F1.DAT AND L40F2.DAT. 1 40 256 835 L40F1.DAT END LINE 40. 1 41 256 842 L41F1.DAT START LINE 41. 1 41 256 926 OVERFLOW STARTED RECORDING TO D-DRIVE: OVERFLOW.DAT DON'T UNDERSTAND WHY THIS HAPPENED. ONLY HAD APPROXIMATELY 45 MIN OF DATA GOING TO ALEUTIAN. 1 41 256 949 L41F2.DAT NEW FILE......SIDESCAN DATA BEGINNING TO GET NOISY DUE TO SEA STATE. 1 41 256 1029 L41F2.DAT RAISE FISH 2 M. SEA STATE WORSENS. DATA IS MARGINAL AT BEST. 1 41 256 1041 L41F2.DAT END LINE. SEAS ARE ABOUT 3-4' AND BUILDING. FORECAST IS POOR THROUGH TONIGHT. FRIDAY: SUPPOSE TO START FEELING THE EFFECTS OF THE HURRICANE...SEAS WILL BUILD. HEAD INTO NY HARBOR. 1 42 260 248 L42F1.DAT DEPLOYED GEAR AT 0209 FOR ALL SYSTEMS. LOOKS GOOD. START LINE. BLOWING A BIT BUT WORKABLE. OTHERWISE WEATHER FINE. 1 42 260 335 L42F1.dat BROUGHT FISH UP BECAUSE ALT APPEARED TO DECREASE - ACTUALLY WE NEEDED TO LET WIRE OUT IT WAS TRACKING THE WASH. 1 42 260 414 L42F1.DAT END OF LINE 42 1 43 260 459 L43F1.DAT START OF LINE 43 1 43 260 711 L43F1.DAT FISH UP. 1 43 260 803 L43F1.DAT END LINE 43. CHANGE GENERATORS 1 44 260 817 L44F1.DAT START LINE 44 1 44 260 835 L44F1.DAT FISH DOWN 2 METERS. 1 44 260 1033 L44F1.DAT EOL 44 1 45 260 1039 L45F1.DAT START LINE 45 1 45 260 1258 L45F1.DAT FISH IN 2 METERS. 1 45 260 1312 L45F1.DAT END OF LINE 45. 1 46 260 1317 L46F1.DAT START LINE 46 1 46 260 1421 L46F1.DAT sidescan locked up. 1 46 260 1425 l46f2.dat sidescan up 1 46 260 1548 l46f2.dat eol 46 1 47 260 1606 l47f1.dat SOL 47 1 47 260 1727 l47f1.dat raised fish a bit 1 47 260 1757 l47f1.dat raised fish a bit - coming to a wreck. 1 47 260 1908 l47f1.dat EOL 47 1 48 260 1915 l48f1.dat SOL 48 writing to exabyte 1 48 260 2022 l48f1.dat lowered fish a wee bit. 1 48 260 2143 l48f1.dat EOL 48 1 49 260 2152 l49f1.dat SOL 49 writing to exabyte 1 49 260 2309 l49f1.dat lowered fish so now flying 6 meters off bottom instead of 10m. 1 49 260 2324 l49f1.dat raised fish a bit. 1 49 261 28 l49f1.dat raised fish a wee bit 1 49 261 44 l49f1.dat EOL 49 1 50 261 51 l50f1.dat SOL 50 but had trouble starting the file. When I clicked to record I got an error message "...trouble establishing conversation with server" 1 50 261 202 l50f2.dat staring l50f2.dat - writing to aleutian's disk 1 50 261 202 l50f1.dat ending l50f1.dat - quit writing to exabyte and switch back writing to aleutian's disk 1 50 261 212 l50f2.dat lowered fish a wee bit. 1 50 261 245 l50f2.dat lowered fish 1 50 261 325 l50f2.dat EOL l50f2.dat when tried to start recording to display, got error "... trouble establishing conversation with server Dde.c line 188" 1 51 261 330 l51f1.dat SOL l51f1.dat 1 51 261 459 l51f1.dat SIDESCAN LOOKING QUITE BAD RIGHT NOW. WE APPEAR TO BE PICKING UP THE SURFACE RETURN, IE SWELL NOISE. SEAS NOT THAT BAD, HOWEVER IT IS RAINING QUITE HARD. HARD TO UNDERSTAND WHERE THE NOISE IS COMING FROM AS THE SEAS ARE ACTUALLY QUITE FLAT (?). 1 52 261 618 L52F1.DAT START LINE 52 1 51 261 618 L51F1.DAT END OF LINE 51 1 52 261 632 L52F1.DAT END OF LINE. PULLING GEAR AS THE SEAS ARE BUILDING RAPIDLY. WILL HEAD TO AMBROSE LIGHT TO AWAIT SUNRISE, AT WHICH TIME WILL ASSESS THE SITUATION. 1 261 1030 HEADING FOR PIER 17. SEAS BUILDING TO 6 FEET TODAY, GALE WARNINGS (SMALL CRAFT ADVISORIES) POSTED FOR TODAY INTO TONIGHT. WILL ASSESS THE SITUATION EARLY TOMORROW MORNING. FORECAST CALLS FOR 25 KNOT WINDS THRU TOMORROW NIGHT AND THEN DIMINISHING WITH SEAS REMAINING AT FEET THRU TOMORROW. 1 263 1612 GEAR IN WATER. WILL BE RECORDING SIDESCAN DATA TO JAZZ DRIVE. 1 53 263 1638 l53f1.dat SOL l53f1.dat - recording to jazz drive on aleutian. 1 53 263 1640 l53f1.dat let the fish down a bit (Danforth says 2 meters.) 1 53 263 1645 l53f1.dat readjusted sidemount - not seeing fish layback. 1 53 263 1813 l53f1.dat lowered the fish 2 meters - little chop on the surface. 1 53 263 1855 l53f1.dat lowered fish 2 meters. 1 53 263 1937 l53f1.dat EOL l53f1.dat 1 54 263 1942 l54f1.dat SOL 54 1 54 263 2037 l54f1.dat raised fish about 2 meters. 1 54 263 2154 l54f1.dat raised fish about 2 meters. 1 54 263 2221 l54f2.dat had to start new file - jazz drive full - couldn't handle whole line. 1 54 263 2221 l54f1.dat end l54f1.dat - display started flashing - only 2% left on jazz drive and at least 30 minutes left on the line. Starting a new file and putting it on aleutian's hard disk. 1 54 263 2240 l54d2.dat brought fish in 2 meters - shallowing and near end of line. 1 55 263 2305 l55f1.dat tried to start writing to new jazz drive and had access denied. tried again and system locked up and had to be rebooted. We circled and started the line again. 1 55 263 2325 l55f1.dat SOL 55 - writing to aleutian's hard disk. Because the seas are flatter, we're towing this line at 4.5 knots. 1 55 263 2329 l55f1.dat lowered fish 2 meters 1 55 264 27 l55f1.dat lowered fish 2 meters. 1 55 264 202 l55f1.dat EOL 55 1 56 264 206 l56f1.dat SOL 56 1 56 264 436 l56f1.dat END OF LINE 56 1 57 264 442 L57F1.DAT START LINE 57 1 57 264 443 L57F1.DAT MAY HAVE ALREADY RECORDED THIS, BUT THE NEED TO HIT "RESTORE" AT THE START OF A NEW FILE NEEDS TO BE INVESTIGATED. WHEN STARTING A NEW FILE, ARTIFACTS APPEAR IN THE SUB-BOTTOM WHICH LOOK LIKE A MISMATCH IN THE MATCHED FILTERING. LOOK AT THE FIRST 100 OR SO PINGS IN THIS FILE FOR AN EXAMPLE. 1 57 264 449 L57F1.DAT ALEUTIAN DOWN 1 57 264 457 L57F1.DAT BREAK LINE. CIRCLE TO RESTART 1 57 264 537 L57F1.DAT RESTART LINE 57. RECORDING TO EXABYTE DRIVE ON ISIS 1 57 264 622 L57F1.DAT SLOW DOWN TO 4 KNTS 1 57 264 637 L57F2.DAT STARTING NEW FILE ONTO DISK. CAN'T USE THE TARGET UTILITY WHEN WRITING TO TAPE. 1 57 264 710 L57F2.DAT NAV BACK ON. WILL BE A DATA GAP IN THE NAV. GPS DATA BACK ON LINE. 1 57 264 757 L57F2.DAT INCREASED OUTPUT POWER ON CHIRP. DECREASED ATTENUTATION FROM -21 dB TO -18 dB. 1 57 264 825 L57F2.DAT END OF LINE 57 1 58 264 830 L58F1.DAT START LINE 58. WRITING TO DISK ON ALEUTIAN. 1 58 264 1024 L58F1.DAT VARIABLE BACKSCATTER IN THIS AREA. APPEARS TO BE SOME HARD GROUNDS INTERMINGLING WITH HIGHER BACKSCATTER PATCHES AND LINEAR TRENDS. BEGINNING TO GO OVER SOME DEEPER "TONGUES" OF BATHYMETRY AS SEEN ON THE CHARTS. 1 58 264 1042 L58F2.DAT PICK UP LINE 58 AGAIN. 1 58 264 1059 L58F2.DAT FISH UP 1METER 1 58 264 1120 L58F2.DAT BOAT WAKE, STARBOARD CHANNEL. 1 58 264 1132 L58F2.DAT END OF LINE 58 1 59 264 1150 L59F1.DAT START LINE 59. START OF THE CROSS LINES FOR THIS AREA. WILL SPACE THE TIE LINES 4 NM APART. 1 59 264 1220 L59F1.DAT FISH UP A COUPLE OF METERS. 1 59 264 1222 L59F1.DAT END OF LINE 50 1 60 264 1223 l60F1.DAT START LINE 60. RECORDING THIS TO HELP SMOOTH OUT THE NORTH END OF THE MOSAIC. 1 61 264 1301 L61F1.DAT START OF LINE 61. 2ND NORTH SOUTH TIE LINE IN THIS AREA. HEADING SOUTH. 1 60 264 1301 L60F1.DAT END OF LINE 60. 1 61 264 1310 L61F1.DAT fish down a couple of meters. 1 61 264 1342 L61F1.DAT FISH DOWN APPROX 4 METERS. 1 61 264 1410 L61F1.DAT END LINE 61 1 62 264 1415 L62F1.DAT START LINE 62. EAST WEST LINE, TIE TO NEXT NORTH SOUTH TIE LINE. RECORDING DATA AS WE DON'T KNOW IF WE'LL GET THIS FAR ON THIS TRIP. 1 63 264 1455 L63F1.DAT START LINE 63 1 62 264 1455 L62F1.DAT END OF LINE 62 1 63 264 1605 L63F1.DAT FISH UP 1 METER. 1 63 264 1615 L63F1.DAT FISH UP 2 METERS. 1 63 264 1625 L63F1.DAT FISH UP 1 METER. 1 63 264 1626 L63F1.DAT EOL 63 (NORTH RUNNING LINE) 1 64 264 1629 L64F1.DAT SOL 64 - EAST RUNNING LINE TO OUR NEXT N-S LINE. 1 64 264 1650 L64F1.DAT RAISED FISH - THEN PUT, PAUSE, LITTLE MORE, PAUSE, OOPS - TOO MUCH - DOWN A BIT... 1 64 264 1705 L64F1.DAT FISH DOWN 2 METERS. OUT OF THE SCARY NEARSHORE SHALLOW STUFF. 1 64 264 1709 L64F1.DAT EOL 64. 1 65 264 1711 l65f1.dat SOL 65 - south running tie line. 1 65 264 1738 l65f1.dat fish down 2 meters. Unsure of exact time - phone rang ... 1 65 264 1813 l65f1.dat EOL 65 1 264 1828 gear pulled and heading to next survey site. 1 264 1950 deploy gear 1 66 264 2005 l66f1.dat SOL 66 -very near shore. Barry modified the end point to keep us out of water depths under 9 feet. 1 66 264 2047 l66f1.dat slight bend in the line north. Barry had adjusted the trackline to keep us out of the 7 ft. water, and now we're readjusting back to the original line. 1 66 264 2109 l66f1.dat EOL 66 1 67 264 2114 l67f1.dat SOL 67 1 67 264 2223 l67f1.dat EOL 67 1 68 264 2227 l68f1.dat SOL 68 1 68 264 2318 l68f1.dat EOL 68. This line was with the current and run a little faster - around 5.5 knots. 1 69 264 2322 l69f1.dat SOL 69 - going to try to maintain ship speed of 4.5 knots. 1 69 265 27 l69f1.dat EOL 69 1 70 265 30 l70f1.dat SOL 70 1 76 265 96 L76F1.DAT MOVE OFF LINE TO AVOID CLOSE ENCOUNTER OF THE WORST KIND WITH A DRAGGER 1 70 265 125 l70f1.dat EOL 70 1 71 265 129 l71f1.dat SOL 71 1 71 265 133 l71f1.dat lowered fish 2 meters. 1 71 265 233 l71f1.dat EOL 71. Near end of line, ship had to veer to port to avoid a gill net. 1 72 265 236 l72f1.dat SOL 72 1 72 265 332 l72f1.dat EOL 72 1 73 265 336 l73f1.dat SOL 73 1 73 265 511 l73f1.dat END OF LINE 73 1 74 265 516 L74F1.DAT START LINE 74 1 74 265 557 SLOW DOWN TO +/- 5 KNOTS 1 74 265 645 L74F1.DAT END LINE 74 1 75 265 650 L75F1.DAT START LINE 75 1 75 265 652 L75F1.DAT STARTING TO SEE VERY LARGE PATCHES OF HIGH BACKSCATTER MATERIAL. SAND WAVES VERY APPARENT ON THE 187 METER RANGE SCALE. VERY DIFFERENT FROM THE NEARSHORE LITHOLOGIES SEEN IN AREAS TO THE WEST. TARGET ANALYSIS SHOWS THE CREST TO CREST MEASURE IS 1.5 METERS. 1 75 265 720 L75F1.DAT RAN OVER SERIES OFSMALL BUT STRONG TARGETS RESEMBLING ROCKS BUT VERY LOCALIZED AND IN A SMALL FIELD. 1 75 265 827 L75F1.DAT END OF LINE 75 1 76 265 836 L76F1.DAT START LINE 76 1 76 265 939 L76F1.DAT DRAGGER GAVE WAY. CONTINUE ON COURSE 1 76 265 1006 L76F1.DAT END OF LINE 1 76 265 1010 L77F1.DAT START LINE 77 1 77 265 1157 L77F1.DAT END LINE 77 1 78 265 1204 L78F1.DAT START LINE 78 1 78 265 1257 L78F1.DAT BOAT WAKE FROM A DRAGGER. 1 78 265 1342 L78F1.DAT END LINE 78 1 79 265 1348 L79F1.DAT START LINE 79 1 79 265 1528 L79F1.DAT END LINE 71. PULLING THE GEAR TO BEGIN SAMPLE OPERATIONS. CALM DAY, EXCELLENT FOR SAMPLE COLLECTION. 1 54 266 1032 L54F1.DAT START OF LINE 54. THIS IS A RE-RUN OF LINE 54 DUE TO A FAILURE OF THE JAZZ DRIVE. WANTED TO COME BACK AND RE-DO THIS LINE AS THE RAW FILE IS ON THE JAZZ DISK THAT WAS IN THE DRIVE WHEN IT FAILED. WORRIED THAT THE DATA MAY HAVE BEEN LOST....! 1 54 266 1230 L54F1.DAT END OF LINE 54 (RE-RUN). END OF CRUISE, HEADING HOME. SEAS BUILDING TODAY TO 6 FEET, NOT WORTH A FEW MORE HOURS!! 2 252 2315 USING 0.5 SEC REP RATE. 280 JOULES. 2 1 253 41 L1F1.DAT START LINE 1. 2 1 253 49 L1F2.DAT FILE CHANGE. 2 1 253 236 L1F2.DAT END OF LINE 1 2 2 253 246 L2F1.DAT START LINE 2. BANDPASS FILTER SET TO 300 HZ (LOW END) AND 3000 HERTZ (HIGH END). TOTAL GAIN OF 36 dB BEING APPLIED IN 4 GAIN STEPS: 6dB PRIOR TO ANTI-ALIAS FILTER, 12 dB AFTER THE FILTER AND 18 dB AFTER THE LOW CUT FILTER. 2 2 253 404 L2F1.DAT PULLED STREAMER IN A FEW METERS. 2 2 253 414 L2F1.DAT BOOMER DIED. 2 2 253 423 L2F1.DAT BOOMER BACK ON. 2 2 253 445 L2F1.DAT BOOMER DIES AGAIN. 2 3 253 459 L3F1.DAT START LINE 3. PROCESSING COMPUTER CRASHED. 2 2 253 459 L2F1.DAT END LINE 2. 2 253 503 L3F1.DAT PROCESSING COMPUTER BACK ON. DATA BEING SENT TO COMPUTER VIA NETWORK. THUS, THIS IS THE REAL START OF LINE. 2 3 253 512 L3F1.DAT BOOMER POWER SUPPLY CONTINUES TO SHUT ITSELF DOWN. SWITCH TO BACK-UP. 2 3 253 520 L3F1.DAT REPAIR POWER SUPPLY. BACK ON AGAIN. 2 3 253 643 L3F1.DAT END LINE 3. 2 4 253 655 L4F1.DAT START LINE 4. STARTED FILE LATE DUE TO ISIS PROBLEM....OR PILOT ERROR. ALEUTIAN KEEPS CRASHING ON LINE CHANGE. 2 4 253 658 L4F1.DAT TRIED TO CHANGE FILE AND ALEUTIAN CRASHED AGAIN. 2 4 253 701 L4F1.DAT ALEUTIAN BACK ON. 2 4 253 845 L4F1.DAT END LINE 4. 2 5 253 853 L5FI.DAT START LINE 5. 2 5 253 940 L5F1.DAT ADJUST HYDROPHONE (SWING IN THE BOOM TO CLOSE THE SEPARATION BETWEEN THE PHONE AND THE SOURCE). 2 5 253 1048 L5F1.DAT END LINE 5. PUT ADDITIONAL DRAG ON END OF STREAMER. 2 6 253 1059 L6F1.DAT START LINE 6. LOWERED FISH A FEW METERS TO TRY AND BATTLE THE THERMOCLINE. ALT=~9M NOW. CHANGE OUTPUT ATTENUATION TO -15DB. 2 6 253 1300 L6F1.DAT END LINE 6. 2 7 253 1308 L7F1.DAT START LINE 7. 2 7 253 1324 L7F1.DAT PAY OUT STREAMER. TRYING TO CLEAN UP RECORD. 2 7 253 1455 L7F1.DAT END LINE 7. 2 8 253 1501 L8F1.DAT START LINE 8. 2 8 253 1702 L8F1.DAT END OF LINE 8. 2 9 253 1746 L9F2.DAT ALEUTIAN CRASHED - START NEW DISK FILE 2 9 253 1746 L9F1.DAT START LINE 9 2 9 253 1823 L9F2.DAT BANDPASS FILTER NOW SET AT 250-2500 HERTZ. TOTAL GAIN OF 54 DB BEING APPLIED (6 pre-antialias, 12 post anti-alias, 18 pre-lowcut, 18 post lowcut). DATA LOOKS GOOD AT THESE SETTINGS. 2 9 253 1852 L9F2.DAT END OF LINE9. 2 10 253 1858 l10f1.dat Start line 10. 2 10 253 2053 l10f1.dat End of line 10 2 11 253 2100 L11F1.DAT START LINE 11 - ISIS STARTED 3 MIN AFTER SOL - ALEUTIAN CRASHED 2 11 253 2235 L11F1.DAT EOL 11 2 12 253 2241 L12F1.DAT START LINE 12 2 12 254 52 L12F1.DAT END OF LINE 12 2 13 254 58 L13F2.DAT START OF LINE 13 2 13 254 229 L13F1.DAT END OF LINE 13 2 14 254 237 L14F1.DAT START OF LINE 14 2 14 254 449 L14F1.DAT END LINE 14. 2 15 254 455 L15F1.DAT START LINE 15. 2 15 254 639 L15F1.DAT END LINE 15. 2 16 254 645 L16F1.DAT START LINE 16. 2 16 254 835 L16F1.DAT END LINE 16. 2 17 254 840 L17F1.DAT START LINE 17. 2 17 254 1021 L17F1.DAT END LINE 17. 2 18 254 1027 L18F1.DAT START LINE 18. 2 18 254 1225 L18F1.DAT END LINE 18. 2 19 254 1230 L19F1.DAT START LINE 19. 2 20 254 1406 L20F1.DAT START LINE 20. 2 20 254 1424 L20F1.DAT CHANGE KEMO FILTER SETTING: FROM 250 TO 2500 TO 500 TO 2000. 2 20 254 1622 L20F1.DAT END OF LINE 20 2 21 254 1626 L21F1.DAT START LINE 21 2 21 254 1655 L21F1.DAT MOVE STREAMER FROM STB SIDE TO PORT SIDE. SET TO BAND PASS 300-3000 HZ AND GAIN SET TO 6 12 12 18 2 21 254 1800 L21F1.DAT END OF LINE 21 2 22 254 1809 L22F1.DAT START ISIS LINE 22 2 22 254 1831 L22F1.DAT TRYING KEMO SETTINGS FOR BOOMER OUT AT: 350-3500 BANDPASS, GAINS AT 6,18,12,18. 54dB total gain. 2 22 254 2007 L22F1.DAT END OF LINE 22 2 23 254 2012 L23F1.DAT START LINE 23 2 23 254 2047 L23F2.DAT RESTART LINE 23 2 23 254 2230 L23F2.DAT END LINE 23 2 24 254 2238 L24F1.DAT START LINE 24 2 24 254 2251 L24F1.DAT KEMO SET AT: 350-3500 BANDPASS, GAINS AT 6,18,12,18 FOR A TOTAL OF 54 dB of GAIN. 2 24 255 50 L24F1.DAT END OF LINE 24 2 25 255 58 L25F1.DAT START LINE 25 2 25 255 219 L25F1.DAT END LINE 25. 2 26 255 225 L26F1.DAT START LINE26. 2 26 255 415 L26F1.DAT END LINE 26. 2 27 255 422 L27F1.DAT START LINE 27. REDUCED POWER TO 175 JOULES....GETTING INTO SHALLOW WATER. 2 27 255 555 L27F1.DAT END LINE 27. 2 28 255 600 L28F1.DAT START LINE 28. PICKING UPA LOT OF NOISE ON THE BOOMER. PULL IN HYDROPHONE AND CHECK IT. 2 28 255 733 L28F1.DAT END LINE 28. 2 29 255 739 L29F2.DAT START LINE 29. 2 29 255 859 L29F2.DAT END LINE 29. 2 30 255 908 L30F1.FAT START LINE 30. 2 30 255 1017 L30F1.DAT END LINE 30. 2 31 255 1038 L31F1.DAT START LINE 31. 2 31 255 1116 L31F1.DAT END LINE 31. 2 32 255 1233 L32F1.DAT START LINE 32. 2 32 255 1445 L32F1.DAT END LINE 32. 2 33 255 1556 L33F1.DAT START LINE 33. 2 33 255 1720 TURNING TO RE-RUN LINE 33. SEE SYSTEM 1 COMMENTS FOR THE REASON WHY. 2 34 255 1734 L34F1.DAT START OF LINE 34. RE-RUN OF LINE 33. SEE LINE 33, SYSTEM 1 FOR COMMENTS ON WHY. 2 34 255 1819 L34F1.DAT SET THE BANDPASS ON THE KEMO FOR 250-3000 HERTZ. GAINS AT: 6,12,12,18 FOR A TOTAL OF 48 DB OF GAIN. 2 34 255 1843 L34F1.DAT STOPPED RECORDING DATA. LOST THE TRIGGER DUE TO THE POWER CABLE COMING OUT OF THE SIU BOX. OK NOW, JUST RECORDING TO DISPLAY AS WE ARE JUST ABOUT AT THE END OF THE LINE. 2 34 255 1848 L34F1.DAT END OF LINE 34. THIS SYSTEM ENDED A FEW MINUTES EARLIER, SEE NOTE ABOVE. 2 35 255 1918 L35F1.DAT START LINE 35 2 35 255 2043 L35F1.DAT END OF LINE 35 2 255 2046 TRANSIT TO LINE 36. PULLING IN THE SLED TO GET SOME DEBRIS OF THE SLED. MOVING THE ITI STREAMER ONTO THE STARBOARD SIDE TO SEE IF IT QUIETS DOWN THE BOOMER RECORD. 2 36 255 2133 L36F1.DAT STARTED ISIS AFTER aleutian crashed 2 36 255 2236 L36F1.DAT BOOMER WENT OFF FOR 5 MINUTES. RESTARTED THE POWER SUPPLY, OK NOW. 2 36 255 2258 L36F1.DAT END OF LINE 36 2 37 255 2331 L37F1.DAT START LINE 37. 2 37 255 2357 L37F1.DAT COVERS LIGHT CAME ON-BOOMER POWER SUPPLY. RESET, OK NOW. WILL TAKE THE COVER OFF IF IT HAPPENS AGAIN. SET BANDPASS ON KEMO TO 300-2500 HERTZ. THIS TOOK CARE OF SOME HIGH FREQUENCY NOISE (POSSIBLY FROM CHIRP). GAINS AT 6,12,12,18. 2 37 256 124 L37F1.DAT END OF LINE 37. 2 38 256 131 SWITCH BOOMER TO 175 J OUTPUT 2 38 256 147 L38F1.DAT START LINE 38. BANDPASSING KEMO AT 300-2500 HERTZ. 2 38 256 229 L38F1.DAT SWITCHED OVER TO 280 JOULES FOR 20 MINUTES, NOW BACK TO 175 JOULES TO TRY AND MINIMIZE RINGING. 2 38 256 237 L38F1.DAT SET BANDPASS TO 250-3000 HERTZ. 2 38 256 332 L38F1.DAT END LINE 38. 2 39 256 338 L39F1.DAT START LINE 39. 2 39 256 404 L39F1.DAT POWER FAILURE & BOOMER CRASHED. 2 39 256 406 L39F1.DAT BOOMER BACK ON. SHIP IS WORKING ON A PUMP...CAUSED PROBLEM. 2 39 256 407 L39F1.DAT BOOMER CRASHED AGAIN. AGAIN, SHIPS POWER PROBLEM. BACK ON AT 0409. 2 39 256 420 L39F1.DAT BOOMER CRASHED DUE TO POWER PROBLEMS AGAIN. BACK ON @ 0423 2 39 256 457 L39F1.DAT INCREASE POWER TO 280 JOULES. 2 39 256 540 L39F1.DAT RAISE FISH ABOUT 1M. 2 39 256 551 L39F1.DAT END LINE 39. ALEUTIAN CRASHED. ISIS LOCKED UP. 2 40 256 556 L40F1.DAT START LINE 40. 2 40 256 632 L40F1.DAT ALEUTIAN CRASH. ISIS LOCKED UP. 2 40 256 835 L40F1.DAT END LINE 40. 2 41 256 842 L41F1.DAT START LINE 41. 2 41 256 926 OVERFLOW STARTED RECORDING TO D-DRIVE: OVERFLOW.DAT 2 41 256 949 L41F2.DAT NEW FILE.......SEISMIC DATA BEGINNING TO GET NOISY DUE TO SEA STATE. 2 41 256 1041 L41F2.DAT END LINE. SEAS ARE ABOUT 3-4' AND BUILDING. FORECAST IS POOR THROUGH TONIGHT. FRIDAY: SUPPOSE TO START FEELING THE EFFECTS OF THE HURRICANE...SEAS WILL BUILD. HEAD INTO NY HARBOR. 2 42 260 248 L42F1.DAT START OF LINE 42 2 42 260 335 L42F1.dat WHEN OPERATED THE WINCH GOT AN OVERVOLTAGE ON THE BOOMER POWER SUPPLY. 2 42 260 414 L42F1.DAT end of line 42 2 42 260 431 L42F1.DAT LOST BOOMER/SIDESCAN FOR A MINUTE. 2 43 260 459 L43F1.DAT START LINE 43 2 43 260 711 L43F1.DAT BOOMER OFF FOR A COUPLE OF SECONDS. STARTING THE WINCH HAS BEEN SHUTTING OFF THE BOOMER POWER SUPPLY. ENGINEER SAID HE'D TAKE CARE OF IT AT THE END OF THE LINE. 2 43 260 803 L43F1.DAT END LINE 43 2 44 260 817 L44F1.DAT START LINE 44 2 45 260 1039 L45F1.DAT START LINE 45 2 45 260 1234 L45F1.DAT COASTAL PLAIN (?) UNCONFORMITY SHOWS UP PARTICULARY WELL ON THIS LINE BETWEEN 1219 AND 1240 GMT. GOOD LINE FOR CHIRP DATA AS WELL, MANY CHANNEL FEATURES AND SHALLOW STRUCTURES SHOWING UP WELL IN THE PROFILE. 2 45 260 1244 L45F1.DAT PASSED BY A PROMINENT OUTFALL PIPE AS MARKED ON THE CHART, HOWEVER DID NOT SEE ANY EXPRESSION OF IT IN THE DATA RECORDS. 2 45 260 1258 L45F1.DAT BOOMER OFF. TURNED ON THE WINCH AND THE POWER SUPPLY (BOOMER) BLEW A FUSE. REPLACING IT NOW. DATA GAP AS A RESULT. 2 45 260 1301 L45F1.DAT BOOMER BACK ON LINE. 2 45 260 1312 L45F1.DAT END OF LINE 45. 2 46 260 1317 L46F1.DAT START LINE 46 2 46 260 1334 L46F1.DAT BROUGHT IN THE STREAMER TO ADJUST THE TAIL FOR BETTER DRAG. 2 46 260 1421 L46F1.DAT boomer locked 2 46 260 1425 l46f2.dat boomerup 2 46 260 1548 l46f2.dat EOL 46 shut off boomer so engineer can swap some wires 2 260 1550 after line 46 engineer switches some wires to hopefully solve our problem with the winch and boomer. Doesn't seem to help so the solution seems to be to leave the winch on. 2 47 260 1606 l47f1.dat SOL 47 2 47 260 1607 l47f1.dat boomer power supply blew its fuse - not related to anything we did. 2 47 260 1610 l47f1.dat boomer back up - data loss in file 2 47 260 1908 l47f1.dat EOL 47 2 48 260 1915 l48f1.dat SOL 48 writing to exabyte 2 48 260 2143 l48f1.dat EOL 48 2 49 260 2152 l49f1.dat SOL 49 writing to exabyte 2 49 260 2225 changed epc paper, starting on roll 3 2 49 261 44 l49f1.dat EOL 49 2 50 261 48 l50f1.dat SOL 50 2 50 261 201 l50f2.dat starting writing to aleutian's disk 2 50 261 201 l50f1.dat end of l50f1.dat - going to quit writing to exabyte and start writing to aleutian's disk 2 50 261 325 l50f2.dat EOL l50f2.dat 2 51 261 330 l51f1.dat SOL l51f1.dat 2 51 261 538 L51F1.DAT HEAVY RAIN IS AFFECTING THE SEISMICS. MORE DROPOUTS THAN NORMAL, BUT THE DATA STILL COMING IN GOOD (GOOD PENETRATION). 2 52 261 618 L52F1.DAT START LINE 52 2 51 261 618 L51F1.DAT END OF LINE 51 2 52 261 632 L52F1.DAT END OF LINE 52. 2 263 1612 GEAR IN WATER. WILL BE RECORDING BOOMER DATA TO ALEUTIAN'S HARD DISK. 2 53 263 1638 l53f1.dat SOL l53f1.dat - recording to multibeam1 on aleutian. 2 53 263 1857 l53f1.dat choppy sea state is causing little drop-outs in the boomer data. Swell isn't big - just choppy. 2 53 263 1937 l53f1.dat EOL l53f1.dat 2 54 263 1942 l54f1.dat SOL 54 2 55 263 2325 l55f1.dat SOL 55 - writing to aleutian's hard disk. Because the seas are calmer we're towing this line at 4.5 knots. 2 55 264 202 l55f1.dat EOL 55 2 56 264 206 l56f1.dat SOL 56 2 56 264 436 L56F1.DAT END OF LINE 56 2 57 264 442 l57f1.dat START LINE 57 2 57 264 447 L57F1.DAT ALEUTIAN DOWN. TRYING TO FIX. TURNS OUT THE JAZZ DRIVE LOCKED UP AND CAUSED A SCSI RESET WHICH EFFECTUALLY SHUT DOWN THE 9 GIG DISK (WHICH WE WERE WRITING TO). ISIS FREAKED OUT SO I TOOK THE JAZZ DRIVE OFF LINE. IT APPEARS THE DRIVE ITSELF IS MALFUNCTIONING: CYCLE THE POWER AND NOTHING HAPPENS SOMETIMES, OTHER TIMES IT POWERS UP ??? 2 57 264 611 L57F1.DAT RECONFIGURING ITI STREAMER 2 57 264 619 L57F1.DAT FINISH SCREWING WITH THE STREAMER 2 57 264 710 l57f1.dat NAV BACK ON. WILL BE A DATA GAP IN THE NAV. GPS DATA BACK ON LINE. 2 57 264 754 L57F1.DAT EXCELLENT DISPLAY OF CUT AND FILL CHANNEL STRUCTURE ON BOOMER. TOPMOST LAYERS SHOW UP VERY WELL ON THE CHIRP PROFILE. 2 57 264 825 L57F1.DAT END OF LINE 57 2 58 264 830 L58F1.DAT START LINE 58. WRITING TO DISK ON ALEUTIAN. 2 58 264 1042 L58F2.DAT RETURN TO LINE 58. 2 58 264 1132 L58F2.DAT END OF LINE 58 2 59 264 1150 L59F1.DAT START LINE 59. START OF THE CROSS LINES FOR THIS AREA. WILL SPACE THE TIE LINES 4 NM APART. 2 59 264 1222 L59F1.DAT END OF LINE 50 2 60 264 1223 L60F1.DAT START LINE 60 2 60 264 1246 L60F1.DAT SOURCE TO RECEIVER OFFSET IS 8.9 METERS. THIS IS PRETTY MUCH A CONSTANT FOR THE CRUISE AND NEEDS TO BE TAKEN INTO ACCOUNT FOR ANY STRUCTURE CONTOURS. 2 61 264 1301 L61F1.DAT START OF LINE 61. 2ND NORTH SOUTH TIE LINE IN THIS AREA. HEADING SOUTH. 2 60 264 1301 l60f1.dat end of line 60 2 61 264 1410 L61F1.DAT END LINE 61 2 62 264 1415 L62F1.DAT START LINE 62. EAST WEST LINE, TIE TO NEXT NORTH SOUTH TIE LINE. RECORDING DATA AS WE DON'T KNOW IF WE'LL GET THIS FAR ON THIS TRIP. 2 63 264 1455 L63F1.DAT START LINE 63 2 62 264 1455 L62F1.DAT END OF LINE 62 2 63 264 1524 L63F1.DAT 3 UNCONFORMABLE SURFACES ARE PROMINENT ON THIS LINE BETWEEN 1509 AND 1525. UPPERMOST TWO SHOW UP WELL ON THE CHIRP AS WELL. 2 63 264 1626 L63F1.DAT EOL 63 (NORTH RUNNING LINE) 2 64 264 1629 L64F1.DAT SOL 64 - EAST RUNNING LINE TO OUR NEXT N-S LINE. 2 64 264 1709 L64F1.DAT EOL 64. 2 65 264 1711 l65f1.dat SOL 65 - south running tie line. 2 65 264 1813 l65f1.dat EOL 65 2 264 1828 gear pulled and heading to next survey site. 2 264 1950 deploy gear 2 66 264 2005 l66f1.dat SOL 66 2 66 264 2047 l66f1.dat slight bend in the line (north). Barry had adjusted the trackline to keep us out of the 7 ft. water, and now we're readjusting back to the original line. 2 66 264 2109 l66f1.dat EOL 66 2 67 264 2114 l67f1.dat SOL 67 2 67 264 2223 l67f1.dat EOL 67 2 68 264 2227 l68f1.dat SOL 68 2 68 264 2318 l68f1.dat EOL 68 This line was with the current and run a little faster - around 5.5 knots. 2 69 264 2322 l69f1.dat SOL 69 - going to try to maintain ship speed of 4.5 knots. 2 69 265 27 l69f1.dat EOL 69 2 70 265 30 l70f1.dat SOL 70 2 70 265 125 l70f1.dat EOL 70 2 71 265 129 l71f1.dat SOL 71 2 71 265 233 l71f1.dat EOL 71. Near end of line, ship had to veer to port to avoid a gill net. 2 72 265 236 l72f1.dat SOL 72 2 72 265 332 l72f1.dat EOL 72 2 73 265 336 l73f1.dat SOL 73 2 73 265 511 L73F1.DAT END OF LINE 73 2 74 265 516 L74F1.DAT START LINE 74 2 57 265 537 L57F1.DAT RESTART LINE 57. RECORDING TO EXABYTE DRIVE ON ISIS 2 74 265 645 L74F1.DAT END LINE 74 2 75 265 650 L75F1.DAT START LINE 75 2 75 265 827 L75F1.DAT END OF LINE 75 2 76 265 836 L76F1.DAT START LINE 76 2 76 265 1006 L76F1.DAT END OF LINE 76 2 77 265 1010 L77F1.DAT START LINE 77 2 77 265 1157 L77F1.DAT END LINE 77 2 78 265 1204 L78F1.DAT START LINE 78 2 78 265 1342 L78F1.DAT END LINE 78 2 79 265 1348 L79F1.DAT START LINE 79 2 79 265 1528 L79F1.DAT END LINE 71. PULLING THE GEAR TO BEGIN SAMPLE OPERATIONS. CALM DAY, EXCELLENT FOR SAMPLE COLLECTION. 3 250 1700 LV. WOODS HOLE 9/6/96, FRIDAY. TRANSIT TO STUDY AREA. REMNANTS OF HURRICANE FRAN DUE TO IMPACT CRUISE THIS WEEKEND. 3 250 2327 CONTINUE TRANSIT TO STUDY AREA (9/6/96). ALTHOUGH WEATHER REPORTS NOT, SEAS LOOK OK TO GIVE IT A TRY. SHOULD ARRIVE AT STUDY AREA SOMETIME AROUND DAYBREAK. 3 251 1723 WAITED OFF FIRE ISLAND UNTIL MORNING. SEAS ABOUT 8', WINDS ~20 KTS. FORECAST SAYS THAT IT MAY BE CALMING DOWN BY SUNDAY AFTERNOON. WILL SPEND THE NIGHT IN NY HARBOR, PIER 17. 3 252 1654 LEAVING NY HARBOR. TRANSIT TO STUDY AREA. FORECAST IS 5' SEAS DECREASING TO 3' THIS AFTERNOON. 3 252 2212 ON SITE. DEPLOY GEAR. 3 1 253 41 START LINE 1. HAVING PROBLEMS WITH THE BATHY (NOT LOCKING ON WELL).1 3 1 253 236 END LINE 1. 3 2 253 246 START LINE 2 3 3 253 459 START LINE 3. 3 2 253 459 END LINE 2 3 3 253 643 END LINE 3. 3 4 253 655 START LINE 4. 3 4 253 845 END LINE 4. 3 5 253 853 START LINE 5. 3 5 253 1048 END LINE 5. 3 6 253 1059 START LINE 6. 3 6 253 1300 END LINE 6. 3 7 253 1308 START LINE 7. 3 7 253 1455 END LINE 7. 3 8 253 1501 START LINE 8. 3 8 253 1702 END LINE 8. 3 9 253 1707 START LINE 9 3 9 253 1852 END LINE 9. 3 10 253 1858 START LINE 10. 3 10 253 1911 L10F1.DAT CHANGE NAV TAPE. 3 10 253 2053 End of line 10 3 11 253 2057 Start line 11 3 11 253 2235 END LINE 11. 3 12 253 2241 START OF LINE 12 3 12 254 52 END OF LINE 12 3 13 254 58 START OF LINE 13 3 13 254 229 END OF LINE 13 3 14 254 237 START OF LINE 14 3 14 254 449 END LINE 14. 3 15 254 455 START LINE 15. 3 15 254 639 END LINE 15. 3 16 254 645 START LINE 16. 3 16 254 835 END LINE 16. 3 17 254 840 START LINE 17. 3 17 254 1021 END LINE 17. 3 18 254 1027 START LINE 18. 3 18 254 1128 CHANGE NAV DISK. 3 18 254 1225 END LINE 18. 3 19 254 1230 START LINE 19. 3 20 254 1413 START LINE 20. 3 254 1622 END OF LINE 20 3 21 254 1626 START LINE 21 3 21 254 1800 END OF LINE 21 3 22 254 1806 START LINE 22 - ALEUTIAN CRASHED 3 22 254 2007 END OF LINE 22 3 23 254 2012 START LINE 23 3 23 254 2047 RESTART LINE 23 3 23 254 2230 END LINE 23 3 24 254 2238 START LINE 24 3 24 255 50 END OF LINE 24 3 25 255 58 START LINE 25 3 25 255 219 END LINE 25 3 26 255 225 START LINE 26. 3 26 255 415 END LINE 26. 3 27 255 422 START LINE 27. 3 27 255 439 CHANGE NAV DISK. 3 27 255 555 END LINE 27. 3 28 255 600 START LINE 28. 3 28 255 733 END LINE 28. 3 29 255 739 START LINE 29. 3 29 255 859 END LINE 29. 3 30 255 908 START LINE 30. 3 30 255 1017 END LINE 30. 3 31 255 1038 START LINE 31. BATHY IS NOT WORKING WELL. ATTEMPTING TO TRACE THE PROBLEM. 3 31 255 1116 END LINE 31. 3 32 255 1233 START LINE 32. 3 32 255 1445 END LINE 32. TRANSIT TO THE START OF THE TIE LINES. ALSO RESECURE THE SIDEMOUNT. 3 33 255 1556 START LINE 33. 3 33 255 1626 L33F1.DAT FATHOMETER OUT. NO BATHY COMING IN HERE. DON'T KNOW WHAT THE PROBLEM IS. TRYING TO FIX... 3 33 255 1720 TURNING TO RE-RUN LINE 33. SEE SYSTEM 1 COMMENTS FOR THE REASON WHY. 3 34 255 1734 START OF LINE 34. RE-RUN OF LINE 33. SEE LINE 33, SYSTEM 1 FOR COMMENTS ON WHY. 3 34 255 1748 FATHOMETER BACK ON. POSSIBLE PROBLEM WITH THE SPLICE NEAR THE SIDE MOUNT (CABLE TO THE DEPTH UNIT IN THE LAB). KEN RE-SPLICED AND THE BATHY IS SOLID (FOR NOW!!). 3 34 255 1848 END OF LINE 34. 3 35 255 1918 START LINE 35 3 35 255 2043 L35F1.DAT END OF LINE 35 3 255 2046 TRANSIT TO LINE 36 3 36 255 2121 START LINE 36 3 36 255 2258 END OF LINE 36 END NAV DISK 4 START NAV DISK 5 3 37 255 2331 START LINE37 3 37 256 124 END OF LINE 37. 3 38 256 332 END LINE 38. 3 39 256 338 START LINE 39. 3 39 256 407 OFF COURSE. POWER FAILURE KILLED COMPUTER AND NAV ON THE BRIDGE. 3 39 256 551 END LINE 39. ALEUTIAN CRASHED. ISIS LOCKED UP. 3 40 256 556 START LINE 40. 3 40 256 632 ALEUTIAN CRASH. ISIS LOCKED UP. 3 40 256 652 BACK ON LINE 40. 3 40 256 835 END LINE 40. 3 41 256 842 START LINE 41. 3 41 256 1041 END LINE. SEAS ARE ABOUT 3-4' AND BUILDING. FORECAST IS POOR THROUGH TONIGHT. FRIDAY: SUPPOSE TO START FEELING THE EFFECTS OF THE HURRICANE...SEAS WILL BUILD. HEAD INTO NY HARBOR. 3 260 248 START OF LINE 42 3 42 260 414 end of line 42 3 43 260 459 START LINE 43 3 43 260 500 FATHOMETER DOWN. WILL CHECK IT OUT. 3 43 260 503 START NAV DISK 7. 3 43 260 539 FATHOMETER STILL OUT...LOWERED THE HEAD AND ARE MONITORING THE DATA TO SEE IF IT STABILIZES. 3 43 260 608 L43F1.DAT BATHY OK BUT PROBLEM INTERFACING TO NAV. WORKING ON PROBLEM. 3 43 260 641 NO FATHOMETER DATA BEING LOGGED. TURNS OUT THAT THE NAV COMPUTER IS SENSITIVE TO THE VOLTAGE ON THE COM LINE CONNECTED TO THE DATAMARINE. WILL SWITCH OVER TO THE OTHER NAV COMPUTER AT THE END OF THE LINE TO TRY AND SOLVE THAT PROBLEM AS THAT COMPUTER DOESN'T REACT BADLY TO THE INPUT DATA STREAM FROM THE DATAMARINE BOX. WILL HAVE TO EXTRACT BATHYMETRY FROM THE ISIS FISH DEPTH AND ALTITUDE FOR THIS LINE. 3 43 260 803 END LINE 43 3 44 260 817 START LINE 44. 3 45 260 1039 START LINE 45 3 45 260 1152 FATHOMETER OUT THIS LINE AS WELL. SHOULD BE SWITCHING NAV SYSTEMS IN A FEW HOURS... 3 45 260 1312 END OF LINE 45. 3 46 260 1317 START LINE 46. BATHY STILL OFF, CAN GET VALUES FROM BOOMER DATA AS WE ARE TRACKING BOTTOM (BATHYMETRY). 3 46 260 1425 l46f2.dat bathy up and logging to nav 3 46 260 1548 l46f2.dat EOL 46 3 47 260 1606 SOL 47 3 47 260 1908 EOL 47 3 48 260 1915 SOL 48 3 48 260 2143 EOL 48 3 49 260 2152 SOL 49 3 49 261 10 new nav disk 3 49 261 10 nav disk full, putting in next one 3 49 261 44 EOL 49 3 50 261 48 SOL 50 3 50 261 325 EOL l50f2.dat 3 51 261 330 SOL l51f1.dat 3 52 261 618 START LINE 52 3 51 261 618 END OF LINE 51 3 52 261 632 END OF LINE. PULLING GEAR, HEADING FOR AMBROSE LIGHT TO AWAIT SUNRISE. PULLED NAV DISK. 3 263 1200 LEAVING THE DOCK, 0800 EASTERN STANDARD. FORECAST CALLS FOR NW WINDS AT 17 KNOTS, SEAS 3 FEET AND DIMINISHING TODAY. 3 263 1612 GEAR IN WATER, APPROX. 1 MILE FROM START OF LINE. 3 53 263 1638 SOL 53 (l53f1.dat) 3 53 263 1645 readjusted sidemount - not seeing fish layback. 3 53 263 1856 water is choppy, fathomer is flaky and so is the range to fish. 3 53 263 1937 EOL 53 3 54 263 1942 SOL 54 3 54 263 1957 still no returns from fish for layback - Barry playing with the gains and whatnot on the Benthos box to try and get something. 3 54 263 1959 Barry cycled power on the Benthos box and now we're getting layback returns from the fish. 3 55 263 2325 SOL 55. Because the seas are calmer we're towing this line at 4.5 knots. 3 264 0 gear pulled and heading to next survey site 3 55 264 202 EOL 55 3 56 264 206 SOL 56 3 56 264 436 END OF LINE 56. 3 57 264 442 START LINE 57 3 57 264 449 ALEUTIAN DOWN. TRYING TO FIX. TRYING TO FIX. TURNS OUT THE JAZZ DRIVE LOCKED UP AND CAUSED A SCSI RESET WHICH EFFECTUALLY SHUT DOWN THE 9 GIG DISK (WHICH WE WERE WRITING TO). ISIS FREAKED OUT SO I TOOK THE JAZZ DRIVE OFF LINE. IT APPEARS THE DRIVE ITSELF IS MALFUNCTIONING: CYCLE THE POWER AND NOTHING HAPPENS SOMETIMES, OTHER TIMES IT POWERS UP ??? 3 57 264 537 RESTART LINE 57 AFTER ALEUTIAN WENT DOWN. RECORDING TO TAPE FOR BOTH SYSTEMS: SONAR AND BOOMER. 3 57 264 700 GPS DATA NOT AVAILABLE. 8 SATS ARE UP, SO WE'RE CHECKING FOR LOOSE WIRES. 3 57 264 707 SHUTDOWN ASHTECHS AND REBOOTED NAV COMPUTER. NO EOF ON NAV DISK 9. ONE OF THE ASHTECH UNITS WAS LOCKED UP, WHICH MAY HAVE BEEN OUR PROBLEM. REBOOTING... 3 57 264 710 NAV BACK ON. WILL BE A DATA GAP IN THE NAV. GPS DATA BACK ON LINE. NEW NAV DISK (#10). 3 57 264 825 END OF LINE 57 3 58 264 830 START LINE 58. 3 58 264 852 PROBLEMS WITH FATHOMETER. NAV DOWN, REBOOTING NAV COMPUTER. CHANGING TO NAV DISK 11, NO EOF ON NAV DISK 10. 3 58 264 855 NAV BACK ON LINE, NAV DISK 11. NO BATHY FOR NOW. MAY BE THE SPLICE OUT ON DECK THAT'S THE PROBLEM. KEN IS LOOKING AT IT. 3 58 264 909 FATHOMETER BACK ON. 3 58 264 1030 CIRCLING BACK AROUND TO COVER DATA GAP. KEN "END OF THE LINE" PAROLSKI THOUGHT WE WERE DONE WITH THE LINE, BUT WE WEREN'T!!! SHOULDN'T HAVE EATEN THAT CORNED BEEF HASH ENGLISH MUFFIN SANDWICH. 3 58 264 1042 RETURN TO LINE 58. 3 58 264 1132 END OF LINE 58 3 59 264 1150 START LINE 59. START OF THE CROSS LINES FOR THIS AREA. WILL SPACE THE TIE LINES 4 NM APART. 3 59 264 1222 end line 50 3 60 264 1223 START LINE 60. RUNS PARALLEL TO COAST, TRANSIT TO NEXT NORTH SOUTH TIE LINE. 3 61 264 1301 START OF LINE 61. 2ND NORTH SOUTH TIE LINE IN THIS AREA. HEADING SOUTH. 3 60 264 1301 END OF LINE 60 3 61 264 1410 END LINE 61 3 62 264 1415 START LINE 62. EAST WEST LINE, TIE TO NEXT NORTH SOUTH TIE LINE. RECORDING DATA AS WE DON'T KNOW IF WE'LL GET THIS FAR ON THIS TRIP. 3 63 264 1455 START LINE 63 3 62 264 1455 END LINE 62 3 63 264 1504 FATHOMETER QUIT AGAIN. TRYING SOME NEW CABLES. 3 63 264 1523 FATHOMETER BACK ON. ONE OF THE CABLE CONNECTIONS IN THE LAB WAS BAD. RESOLDERED AND IT'S WORKING NOW. 3 63 264 1533 FATHOMETER ON AND OFF HERE. KEN THINKS THE CABLE TO THE DUCER HEAD IS A GONER. NEEDS TO BE REPLACED ASAP. 3 63 264 1626 EOL 63 (NORTH RUNNING LINE) 3 64 264 1629 SOL 64 - EAST RUNNING LINE TO OUR NEXT N-S LINE. 3 64 264 1709 EOL 64. 3 65 264 1711 SOL 65 - south running tie line. 3 65 264 1813 EOL 65 3 264 1950 deploy gear 3 66 264 2005 SOL 66 3 66 264 2047 slight bend in the line (to the north). Barry had adjusted the trackline to keep us out of the 7 ft. water, and now we're readjusting back to the original line. 3 66 264 2109 EOL 66 3 67 264 2114 SOL 67 3 67 264 2223 EOL 67 3 68 264 2227 SOL 68 3 68 264 2318 EOL 68 This line was with the current and run a little faster - around 5.5 knots. 3 69 264 2322 l69f1.dat SOL 69 - going to try to maintain ship speed of 4.5 knots. 3 69 265 27 EOL 69 3 70 265 30 SOL 70 3 70 265 125 EOL 70 3 71 265 129 SOL 71 3 71 265 233 EOL 71. Near end of line ship had to veer to port a bit to avoid a gill net. 3 72 265 236 SOL 72 3 72 265 332 EOL 72 3 265 333 start new nav disk. 3 73 265 336 SOL 73 3 73 265 511 END OF LINE 73 3 74 265 516 START LINE 74 3 74 265 645 END LINE 74 3 75 265 650 START LINE 75 3 75 265 827 END OF LINE 75 3 76 265 836 START LINE 76 3 76 265 1006 END OF LINE 76 3 77 265 1010 START LINE 77 3 78 265 1204 START LINE 78 3 78 265 1342 END LINE 78 3 79 265 1348 START LINE 79 3 79 265 1528 END LINE 71. PULLING THE GEAR TO BEGIN SAMPLE OPERATIONS. CALM DAY, EXCELLENT FOR SAMPLE COLLECTION. 4 17 254 918 L17F1.DAT "OBSTRUCTION" NOTED ON CHART. LOOKS LIKE A DEBRIS FIELD APPROX 75 M ACROSS. 4 17 254 921 L17F1.DAT SMALL TARGET ON PORT CHANNEL., 4 17 254 923 L17F1.DAT TARGET AT EXTREME PORT RANGE OF SONAR. DIFFICULT TO TELL THE SIZE BUT >10M. 4 17 254 954 L17F1.DAT POSSIBLE TARGET AT EXTREME FAR RANGE ON PORT CHANNEL. COULD BE THERMOCLINE ARTIFACT???? 4 17 254 1012 L17F1.DAT THE "OBSTRUCTION" ON THE CHART DIDN'T SHOW UP ON THE SONAR. No lat/long written down. 4 18 254 1135 L18F1.DAT A NUMBER OF SMALL TARGETS ON PORT CHANNEL (BETWEEN 1135Z AND 1136Z). MARKED ON CHART AS "OBSTRUCTION." 4 18 254 1141 L18F1.DAT AREA OF LARGE TARGETS. SOME ACTUALLY LOOK LIKE "RIBS" OF A BOAT??? 4 18 254 1145 L18F1.DAT SMALL TARGET ON EXTREME RANGE OF STRB CHANNEL. 4 18 254 1201 L18F1.DAT LARGE TARGET ON PORT CHANNEL (>20M). 4 19 254 1233 L19F1.DAT SMALL TARGET ON PORT CHANNEL. COULD BE GEOLOGIC? 4 19 254 1301 L19F1.DAT REAL SMALL TARGET OFF STRB SIDE. 4 19 254 1303 L19F1.DAT TARGET ON PORT SIDE. SMALL (FEW METERS). 4 19 254 1317 L19F1.DAT TWO REAL SMALL TARGETS ON PORT CHANNEL. COULD BE ROCKS, BUT UNLIKELY. 4 20 254 1533 L20F1.DAT THE CHART SHOWS A WRECK BUT WE DON'T SEE IT ON THE IMAGERY??? 4 20 254 1537 L20F1.DAT LARGE FEATURE ON THE PORT CHANNEL (FAR RANGE). IT MAY BE GEOLOGIC (BEDFORMS, OUTCROPS??) BUT MAY BE THE WRECK THAT IS ONT HE CHART. ENTERING A FISH HAVEN. 4 20 254 1541 L20F1.DAT FISHING BOAT ON STARBOARD SIDE. SHOWS UP ON SIDESCAN. 4 20 254 1545 L20F1.DAT A NUMBER OF SMALL TARGETS ARE SHOWING UP & A LARGER ONE IN THE FAR RANGE, STRB SIDE. IT'S HARD TO TELL IF THEY ARE A HARDGROUND OR DEBRIS RELATED TO THE FISH HAVEN. 4 20 254 1553 L20F1.DAT SMALL TARGET ON STRB SIDE. 4 20 254 1605 L20F1.DAT SMALL TARGET ON STARB SIDE 4 20 254 1620 L20F1.DAT TARGET ON PORT SIDE NEAR TURN AT END OF LINE 4 21 254 1638 L21F1.DAT GROUP OF TARGETS NEAR THERMOCLINE 4 21 254 1644 L21F1.DAT SMALL TARGET ON PORT SIDE 4 21 254 1647 L21F1.DAT TARGET PORT SIDE 4 21 254 1647 L21F1.DAT TARGET STARB SIDE 4 21 254 1650 L21F1.DAT 1650Z-1653Z CROSSING FISH HAVEN DEBRIS ON BOTH PORT AND STARB SIDE 4 21 254 1655 L21F1.DAT DOUBLE HIT ON STB SIDE ~30X30 M 4 21 254 1655 L21F1.DAT SHIP'S HULL (RIBS) 7 M LONG ON PORT SIDE 4 21 254 1658 L21F1.DAT CLUSTER OF TARGETS ON PORT SIDE 30X30 M AREA. COORDINATES IN CENTER OF TARGETS 4 21 254 1701 L21F1.DAT SMALL TARGET ON STB SIDE 4 21 254 1728 L21F1.DAT SMALL TARGET 4 21 254 1742 L21F1.DAT SMALL TARGET ON STB SIDE 4 22 254 1838 L22F1.DAT CLUSTER OF SMALL TARGETS AROUND THIS POINT. BRIGHT OBJECTS BUT HAVE NO DEFINITIVE SHAPE. GEOLOGICAL POSSIBLY, HOWEVER BOTTOM IS VERY SMOOTH HERE WITH NO DISCERNABLE BACKSCATTER VARIATIONS. 4 22 254 1907 L22F1.DAT SMALL TARGET ON PORT SIDE 4 22 254 1908 L22F1.DAT SMALL TARGET ON PORT SIDE 4 22 254 1927 L22F1.DAT TARGET ON PRT SIDE 4 22 254 1928 L22F2.DAT TARGET ON PORT SIDE 4 22 254 1930 L22F1.DAT TARGET PORT SIDE 4 22 254 1931 L22F2.DAT TARGET PORT SIDE 4 22 254 1936 L22F1.DAT SMALL TARGET ON PORT SIDE 4 22 254 1937 L22F1.DAT TARGET ON PORT SIDE 4 22 254 1937 L22F1.DAT SMALL TARGET ON STB SIDE 4 22 254 1938 L22F1.DAT TARGET ON STB SIDE 4 22 254 1939 L22F1.DAT TARGET ON STB SIDE 4 22 254 1942 L22F1.DAT 20 M BOAT ON STB SIDE 4 22 254 1956 L22F1.DAT CONTACT 2: no notes 4 22 254 2002 L22F1.DAT CONTACT 3: no notes 4 22 254 2002 L22F1.DAT CONTACT 4: TEST TEST 4 23 254 2101 L23F2.DAT CONTACT 6: Debris just north of Fish Haven. Length 132.0 m - Width 22.4m. 4 23 254 2101 L23F2.DAT CONTACT 7: Contact just north of fish haven. Debris. Length 49.9 m - width 20.3 m. 4 23 254 2101 L23F2.DAT CONTACT 8: Debris just north of fish haven. Length: 71.4m - Width: 16.9m - 4 23 254 2103 L23F2.DAT CONTACT 5 Debris just north of fish haven. Length: 16.8m . Width: 3.8m . 4 23 254 2131 L23F2.DAT CONTACT 9 SMALL TARGET ON STARBOARD SIDE: Length: 28.1m, Width: 4.8m . 4 23 254 2137 L23F2.DAT CONTACT 10, SMALL TARGET 4 23 254 2223 L23F2.DAT TARGET CONTACT 11 PORT SIDE Length: 49.7m - Width: 4.9m 4 24 254 2241 L24F1.DAT CONTACT 12: SMALL TARGET, STRB SIDE: Length: 27.5m - Width: 5.1m 4 24 254 2244 L24F1.DAT CONTACT 13, TYPE UNKNOWN: Length: 18.3m - Width: 10.8m 4 24 254 2246 L24F1.DAT CONTACT 14, TYPE UNKNOWN: Length: 17.8m - Width: 3.5m 4 24 254 2255 L24F1.DAT SMALL TARGET PORT SIDE (CONATACT 15) - TWO OTHER TARGETS IN FAR RANGE NOT SAVED: Length: 13.4m - Width: 6.0m . 4 24 254 2306 L24F1.DAT CONTACT 16: Length: 37.5m - Width: 9.1m . 4 24 254 2323 L24F1.DAT CONTACT 17 PORT SIDE - SMALL TARGET (FROM NOW ON ALL TARGETS LOGGED ON ISIS): Length: 11.2m - Width: 4.6m 4 24 254 2333 L24F1.DAT CONTACT 18: no notes 4 24 254 2334 L24F1.DAT CONTACT 19: TO RIGHT OF CONTACT 18: 4 24 254 2340 L24F1.DAT CONTACT 20: no notes 4 24 254 2350 L24F1.DAT CONTACT 21: Length: 9.8m - Width: 8.7m . 4 26 255 356 L26F1.DAT CONTACT 22: Length: 12.2m - Width: 7.7m . 4 27 255 522 L27F1.DAT CONTACT 23: Length: 19.2m - Width: 3.9m . 4 29 255 830 L29F1.DAT CONTACT 24: Length: 48.3m - Width: 0.0m 4 29 255 856 L29F1.DAT CONTACT 25: Length: 11.9m - Width: 0.1m . 4 30 255 1008 L30F1.DAT CONTACT 26: Length: 24.2m - Width: 11.2m . 4 31 255 1111 L31F1.DAT CONTACT 27: Length: 23.5m - Width: 10.4m . 4 32 255 1317 L32F1.DAT CONTACT 28: Length: 51.9m - Width: 11.6m. 4 32 255 1329 L32F1.DAT CONTACT 29: Length: 70.1m - Width: 9.1m . 4 34 255 1807 L34F1.DAT CONTACT 30: Length: 15.2m - Width: 10.1m 4 35 255 2000 L35F1.DAT CONTACT 31: 4 36 255 2226 L36F1.DAT CONTACT 34: Debris. Length: 21.2m - Width: 4.1m . 4 36 255 2226 L36F1.DAT Contact 35: Length: 20.3m - Width: 3.2m . 4 36 255 2226 L36F1.DAT CONTACT 36: Length: 29.7m - Width: 2.6m . 4 36 255 2226 L36F1.DAT CONTACT 37: Debris Length: 22.2m - Width: 3.6m 4 36 255 2227 L36F1.DAT Contact 32: contacts 32-38 are in the fish haven area Length: 32.2m - Width: 5.4m 4 36 255 2228 L36F1.DAT CONTACT 33: DEBRIS. Length: 16.9m - Width: 2.2m 4 36 255 2229 L36F1.DAT CONTACT 38: Possible wreck. Length: 28.6m - Width: 3.3m . 4 36 255 2255 L36F1.DAT CONTACT 40: Length: 19.8m - Width: 2.7m . 4 38 256 221 L38F1.DAT CONTACT 39: Length: 11.0m - Width: 3.5m . 4 38 256 230 L38F1.DAT CONTACT 41: channel just south of fire island inlet, near the ebb delta. 4 44 260 927 L44F1.DAT CONTACT 42: Possible sewer outfall. Length: 14.7m - Width: 1.9m 4 44 260 927 L44F1.DAT CONTACT 43: Possible sewer outfall. Length: 16.5m - Width: 2.5m . 4 45 260 1230 L45F1.DAT CONTACT 44: Multiple targets in this area. Length: 8.5m - Width: 2.4m . 4 45 260 1232 L45F1.DAT CONTACT 45: AREA OF MULTIPLE TARGETS.Length: 9.5m - Width: 2.1m . 4 46 260 1446 L46F2.DAT CONTACT 46: line of hits, possible cable? Contacts run southwest to northeast. Length: 11.5m - Width: 1.4m . 4 47 260 1730 L47F1.DAT CONTACT 47: Length: 44.6m - Width: 5.8m . 4 47 260 1732 L47F1.DAT CONTACT 48: Length: 29.6m - Width: 6.8m . 4 47 260 1744 L47F1.DAT CONTACT 49: Length: 28.0m - Width: 2.9m . 4 47 260 1836 L47F1.DAT CONTACT 50: Length: 3.7m - Width: 9.9m . 4 47 260 1849 L47F1.DAT CONTACT 51: Length: 34.2m - Width: 6.6m. 4 50 261 251 L50F2.DAT CONTACT 52: Area of multiple targets. Length: 16.0m - Width: 7.4m . 4 53 263 1708 L53F1.DAT CONTACT 53: Length: 43.8m - Width: 9.9m . 4 53 263 1724 L53F1.DAT CONTACT 54: outfall pipe: Length: 26.8m - Width: 8.2m. 4 54 263 2204 L54F1.DAT CONTACT 55: ?debris of some sort. 4 54 263 2209 L54F1.DAT CONTACT 56: beginning of outfall pipe. 4 54 263 2233 L54F2.DAT CONTACT 57: ?debris - scattered all over. 4 54 263 2243 L54F2.DAT CONTACT 58: debris - we're near the jettisoned ammunitions area. Length: 26.5m - Width: 10.8m . 4 55 263 2355 L55F1.DAT CONTACT 59: outfall pipe. Length: 18.9m - Width: 8.5m . 4 55 264 114 L55F1.DAT CONTACT 60: ?debris - several patches in this area. Length: 34.7m - Width: 10.6m 4 55 264 136 L55F1.DAT CONTACT 61: Length: 31.0m - Width: 8.2m . 4 55 264 153 L55F1.DAT CONTACT 62: Length: 15.8m - Width: 4.6m . 4 56 264 248 L56F1.DAT CONTACT 63: Length: 41.6m - Width: 10.4m . 4 56 264 258 L56F1.DAT CONTACT 64: Length: 21.2m - Width: 1.6m . 4 56 264 303 L56F1.DAT CONTACT 65: regularly spaced features - doesn't appear natural. Width: 4.0m 4 56 264 323 L56F1.DAT CONTACT 66: Length: 30.3m - Width: 9.6m . 4 56 264 323 L56F1.DAT CONTACT 67: Length: 71.9m - Width: 10.1m . 4 56 264 418 L56F1.DAT CONTACT 68: Length: 14.7m - Width: 3.4m . 4 57 264 638 L57F2.DAT CONTACTRR 69: Length: 44.2m - Width: 11.2m 4 58 264 1101 L58F2.DAT CONTACT 70: jettisoned munitions area, multiple targets in this area: Length: 15.9m - Width: 1.4m . 4 58 264 1101 L58F2.DAT CONTACT 71: jettisoned munitions area: Length: 19.5m - Width: 2.0m . 4 58 264 1107 L58F2.DAT CONTACT 73: JETTISONED MUNITIONS AREA: Length: 22.2m - Width: 1.4m . 4 58 264 1108 L58F2.DAT CONTACT 73: DEBRIS. Length: 36.8m - Width: 5.1m . 4 58 264 1122 L58F2.DAT CONTACT 74: Length: 22.6m - Width: 3.8m . 4 61 264 1316 L61F1.DAT CONTACT 75: SCOUR AREA Length: 22.5m - Width: 16.4m . 4 63 264 1546 L63F1.DAT CONTACT 76: Length: 15.1m - Width: 0.1m . 4 63 264 1546 L63F1.DAT CONTACT 77: Length: 11.6m - Width: 2.1m . 4 63 264 1547 L63F1.DAT CONTACT 78: Length: 23.9m - Width: 3.2m . 4 63 264 1557 L63F1.DAT CONTACT 79: Length: 24.5m - Width: 11.6m. 4 63 264 1601 L63F1.DAT CONTACT 80: LARGE AREA OF THIS TYPE OF FEATURE. Length: 164.0m - Width: 19.4m . 4 63 264 1617 L63F1.DAT CONTACT 82: Length: 35.0m - Width: 16.4m. 4 63 264 1623 L63F1.DAT CONTACT 83: Length: 23.2m - Width: 15.8m . 4 65 264 1728 L65F1.DAT CONTACT 84: Length: 15.7m - Width: 6.1m 4 66 264 2006 L66F1.DAT CONTACT 85: Length: 3.2m - Width: 4.7m . 4 66 264 2032 L66F1.DAT CONTACT 86: little debris field - near where chart shows a wreck. Length: 141.1m - Width: 15.5m 4 66 264 2035 L66F1.DAT CONTACT 87: Length: 270.8m - Width: 16.2m 4 66 264 2054 L66F1.DAT CONTACT 88: Length: 33.4m - Width: 5.9m . 4 67 264 2116 L67F1.DAT CONTACT 89: Length: 42.4m - Width: 16.5m 4 67 264 2132 L67F1.DAT CONTACT 90: Length: 123.1m - Width: 21.7m 4 67 264 2142 L67F1.DAT CONTACT 91:Length: 44.4m - Width: 11.7m 4 69 264 2330 L69F1.DAT CONTACT 92: Length: 120.7m - Width: 6.9m . 4 69 264 2354 L69F1.DAT CONTACT 93: Length: 47.0m - Width: 16.0m . 4 70 265 35 L70F1.DAT CCONTACT 94: Length: 31.2m - Width: 2.7m . 4 71 265 227 L71F1.DAT CONTACT 95: Length: 67.7m - Width: 7.8m. 4 73 265 347 L73F1.DAT CONTACT 96: Length: 20.5m - Width: 6.0m . 4 73 265 350 L73F1.DAT CONTACT 97: Length: 33.7m - Width: 2.2m . 4 73 265 431 L73F1.DAT CONTACT 98: Length: 7.9m - Width: 1.0m 4 74 265 604 L74F1.DAT CONTACT 99: Length: 12.7m - Width: 9.4m . 4 75 265 653 L75F1.DAT CONTACT 100: Length: 10.9m - Width: 1.5m . 4 75 265 708 L75F1.DAT CONTACT 101 Length: 16.6m - Width: 5.5m . 4 75 265 719 L75F1.DAT CONTACT 102: Length: 2.7m - Width: 0.9m 4 75 265 719 L75F1.DAT CONTACT 103: Length: 5.1m - Width: 1.3m 4 75 265 741 L75F1.DAT CONTACT 104: Length: 14.8m - Width: 3.5m . 4 76 265 857 L76F1.DAT CONTACT 105: Length: 26.2m - Width: 2.8m 4 76 265 941 L76F1.DAT CONTACT 106: Length: 18.6m - Width: 5.6m . 4 76 265 945 L76F1.DAT CONTACT 107: SAND WAVE FIELD: Length: 7.6m - Width: 1.0m . 4 78 265 1315 L78F1.DAT CONTACT 108: ONE OF SEVERAL LARGE HIGH BACKSCATTER "BLOBS" IN THIS AREA. Length: 13.1m - Width: 7.6m. 43 65 264 1603 L63F1.DAT CONTACT 81: AREA PF SIMILAR FEATURES Length: 25.2m - Width: 16.8m .