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: SE @ 15 Knots SEAS: 1.5 m. PITCH: 70%EOL WEATHER: SE @ 15 Knots SEAS: 1.5 m. PITCH: 70%DUMMY FILES : N/A BOL NOISE FILE: 1 = 2 Hz. 2 = 8 Hz. EOL NOISE FILE: 2093 = 2 Hz. 2094 = 8 Hz.SPECIAL EVENTS:Missed SP 2173 due to vessel speed. Bird 709 & 710 deep with max. depth 12m for SP3455-3423 and SP3100-3126EXTERNAL NOISE FROM:AHEAD : NILASTERN: NILABEAM : NIL BAD BIRD DIsC(1): NILC(2): 1 deadC(3): NILC(4): 12 DI 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): 4.2 C(1): 2.6 C(2): 4.0 C(2): 2.3 C(3): 3.8 C(3): 2.1 C(4): 4.1 C(4): 2.0 C(5): 3.4 C(5): 1.7 C(6): 4.1 C(6): 1.8
C(7): 4.1 C(7): 2.0 |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T08P2 FILE USED: G03A2256A098.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01Acoustics: S2T03, S3T01, S7T07 V1T01 Ranges poor/unuseableCompasses: S2C1, S7C1NAVIGATION ONLINE COMMENTS:Leakage on strm 1 affecting acoustic ranging at the front of strm 13200-3160 adjusting ranges to S4T06, several set to 1 way, S4T06 poor performance at longer ranges, TX power down? Spectra indiicates better fit on one way3121 S4T06-S5T07 set active (one way)
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---------------NAVIGATION PROCESSING----------------FSP: 3886LSP: 1868FEATHER ANGLESMIN: -9.6MAX: 8.9PRIMARY NAVIGATION: Multifix 2 (vesref 3)GYRO USED IN PROCESSING: Spectra gyro 2ACOUSTICS NOT USED: 51101, 52301, 52707FANBEAM NOT USED:GPS TARGETS NOT USED: 64701COMPASSES NOT USED: 1201, 1206, 1617, 1701
SPECIAL COMMENTS:
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*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |