GENERAL SURVEY PARAMETERS: Gippsland BasinRECORDING SYSTEM : MSX / CRS STREAMERS : 7 X 5000 METERS STREAMER SEPARATION: 100 METERS TOTAL CHANNELS : 2800RECORDING FILTERS LOW CUT : 2 Hz/12 dB per oct. HIGH CUT : 206 Hz/264 dB per oct.STREAMER DEPTH : 9 METERS RECORD LENGTH : 6.5 SECONDSSHOT POINT INTERVAL: 18.75 METERSGROUP INTERVAL : 12.5 METERSSOURCE DEPTH : 8 METERS (DI s ARE 1 METER ABOVE THE GUN)SOURCE VOLUME : 3000 CUBIC INCHES X 2SOURCE SEPARATION : 50 METERSCENTER OF SOURCE TO CABLE REFERENCE POINT: 126 METERSCENTER OF SOURCE TO CABLE LAST GROUP : 5102 METERS---------------------------------------------------------------BOL WEATHER: WSW @ 10 Knots SEAS: 2.0 m. PITCH: 75%EOL WEATHER: W @ 10 Knots SEAS: 1.5 m. PITCH: 70%DUMMY FILES : BOL NOISE FILE: 1 = 2 Hz. 2 = 8 Hz. EOL NOISE FILE: 2063 = 2 Hz. 2064 = 8 Hz.SPECIAL EVENTS:Swell noise affecting less than 5% of traces @ SOL, dropping through line.Swell noise no longer affecting traces @ SP 3100Firing pressures down approx 2-3% of nominal from SOL to SP 3680Gun 508 disabled on SP 3676Cable #6 powered down on SPs 2811-2808. Depth instability Cable 2 birds 3-6 SPs 2360-2280 d/t strong tail current.EXTERNAL NOISE FROM:AHEAD : ASTERN: Minor ship noise from astern due to tanker. 2900ms moveout. 5uB. SP 3620-3500.ABEAM : NIL BAD BIRD DIsC(1): NILC(2): 1 deadC(3): NILC(4): NIL C(5): NILC(6): NILC(7): 1 deadBAD GUN DIsGS(1): NILGS(2): NILGS(3): NILGS(4): NILGS(5): NILGS(6): NILGS(7): NIL
GS(8): NIL
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BAD GUN PIsGS(1): NIL GS(2): NILGS(3): NIL GS(4): NILGS(5): NILGS(6): NIL GS(7): NIL GS(8): NILBOL NOISE: EOL NOISE: C(1): 4.5 C(1): 2.2 C(2): 5.5 C(2): 2.0 C(3): 5.0 C(3): 2.1 C(4): 4.9 C(4): 2.1 C(5): 4.1 C(5): 1.7 C(6): 4.6 C(6): 2.1
C(7): 5.5 C(7): 2.4 |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T09P2 FILE USED: G03A1936B124.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01Acoustics: S2T03, S3T01, S7T07 V1T01 Ranges poor/unuseableCompasses: S2C1, S7C1NAVIGATION ONLINE COMMENTS:SPs 2473-2428 Multifix #1 & #2 crashed, no corrections
SP 2406 very strong Southerly current causing hole in coverage |
---------------NAVIGATION PROCESSING----------------FSP: 3886LSP: 1868FEATHER ANGLESMIN: -15.0MAX: 8.3PRIMARY NAVIGATION: Posnet 2 (vesref 2)GYRO USED IN PROCESSING: Spectra gyro 2ACOUSTICS NOT USED: 51101, 52301, 52303, 52707FANBEAM NOT USED:GPS TARGETS NOT USED: 64701COMPASSES NOT USED: 1201, 1701, 1101SPECIAL COMMENTS:
Posnet 2 is Pime Navigation d/t Dropout in Multifix 2 . |
*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |