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 @ 17 Knots SEAS: 1.5 m. PITCH: 72%EOL WEATHER: XX @ XX Knots SEAS: XX m. PITCH: XX%DUMMY FILES : N/A BOL NOISE FILE: 1 = 2 Hz. 2 = 8 Hz. EOL NOISE FILE: 2078 = 2 Hz. 2079 = 8 Hz.SPECIAL EVENTS:PDLrt crashed (offline) at BOL and back online at SP2023SP 2302 gun 703 disabledSP 3562 gun 803 disabledReshoot Seq#174FSP: 2001LGSP: 2386LOSP: 2396InfillFSP: 2397LFFSP: 3886LSP: 4019EXTERNAL NOISE FROM:AHEAD : NILASTERN: Ship noise less than 5uB from BOL to SP 2021ABEAM : NIL BAD BIRD DIsC(1): NILC(2): 1 deadC(3): 15 bad D.IC(4): NIL C(5): 14 polling disabled C(6): NILC(7): 1 deadBAD GUN DIsGS(1): NILGS(2): NILGS(3): NILGS(4): NILGS(5): NILGS(6): 608 disabled BOLGS(7): NIL
GS(8): NIL
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BAD GUN PIsGS(1): NIL GS(2): NILGS(3): 306 showing false PI, disabled at SP 2619 GS(4): NILGS(5): NILGS(6): NIL GS(7): NIL GS(8): NILBOL NOISE: EOL NOISE: C(1): 8.5 C(1): 6.7 C(2): 8.2 C(2): 6.6 C(3): 7.8 C(3): 5.8 C(4): 6.4 C(4): 4.3 C(5): 6.6 C(5): 4.3 C(6): 7.2 C(6): 4.6 C(7): 8.2 C(7): 5.0
BOL noise with ship noise comming from abeam. |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T12P2 FILE USED: G03A2032L180.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01, T4R01, T5R01. Acoustics: S3T01, S7T07 Compasses: S2C1, S6C10 S7C1NAVIGATION ONLINE COMMENTS:Slide over to port after reshoot to get more coverage.Multifix 1 dropped out around SP 2450 d/t insufficient SV'sGet maximum coverage @ SP 2650
G1R02 and G01R03 both intermittent
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---------------NAVIGATION PROCESSING----------------FSP: 2001LSP: 4019FEATHER ANGLESMIN: 1.9MAX: 9.7PRIMARY NAVIGATION: MFIX_2_OptusGYRO USED IN PROCESSING: Gyro 2ACOUSTICS NOT USED: 52301 52707GPS TARGETS NOT USED: 64201 64701 63103 63107COMPASSES NOT USED: 1201 1514 1610 1701SPECIAL COMMENTS:PosNet gyrocompass deselected due to helicopter operations.Tailbuoys 4 and 5 dropped for shotpoints 2001-3248.Headbuoy 63105 bearing deselected for the entire line, range kept.Cable DI out: 1201 1315 1514 1701DI's 1105-1112, 1606, 1610, 1704-1710 erratic during line.High DOP's and low sat #'s during line.Multifix 1 dropout during line, CNAV1 dropout during line, TriNav GPS bad.
Still good comparision between PosNet and CNAV systems with MultiFix 2.
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*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |