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: E @ 15 Knots SEAS: 2.5 m. PITCH: 80%EOL WEATHER: E @ 15 Knots SEAS: 2.5 m. PITCH: 80%DUMMY FILES : N/A BOL NOISE FILE: 1 = 2 Hz. 2 = 8 Hz. EOL NOISE FILE: 2044 = 2 Hz. 2045 = 8 Hz.SPECIAL EVENTS: Navigation ( RTNU ) lock-up on SPs 3185-3146.EXTERNAL NOISE FROM:AHEAD : Ship noise visible at < 5uBars from SPs 3650-3580.Ship niose visible at < 5uB SP 3380-3340 due to tanker in shipping lane.ASTERN: Ship noise visible at SP 2280-2115 at aprox 10 uBars.ABEAM : Ship noise increasing to approx. 15-20 uBars at SP 2115-1980 Ship noise decreasing on SP 1980-1920 now at approx. 10-15 uBars. Ship noise now at approx. 5-10 uBars on SP 1920-EOL.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): 4.4 C(1): 8.3 C(2): 4,6 C(2): 8.1 C(3): 3.8 C(3): 7.9 C(4): 3.6 C(4): 7.7 C(5): 3.0 C(5): 7.8 C(6): 4.9 C(6): 7.9 C(7): 3.9 C(7): 8.3
Ship noise evident on EOL noise record. |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T09P2 FILE USED: G03A1968J130.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01Acoustics: S3T03, S3T01, S7T07 V1T01 Ranges poor/unuseableCompasses: S2C1, S7C1NAVIGATION ONLINE COMMENTS: RTNU lock up at SP's 3185-3146.
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---------------NAVIGATION PROCESSING----------------FSP: 3886LSP: 1868FEATHER ANGLESMIN: -10.2MAX: 8.5 PRIMARY NAVIGATION: Multifix 2 ( Vesref 3 ).GYRO USED IN PROCESSING: Gyro 2.ACOUSTICS NOT USED: 51101,52301,52303,52707.FANBEAM NOT USED:GPS TARGETS NOT USED: 63205,64701.COMPASSES NOT USED: 1101,1201,1617,1701.SPECIAL COMMENTS:Missing SP's 3186 to 3136 d/t RTNU lockup.Line processed in two parts.
Cable DI's Out : 1101,1201,1701. |
*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |