Survey Identifier: EV1000
Format Acronym: MGD77
Data Center File Number: 84010007
Parameters Surveyed Code: 55550
File Creation Date (yyyymmdd): 19000000
Source Institution: GEOMER DATA BANK ORSTOM NOUMEA
Country: NOUVELLE CALEDONIE
Platform Name: CORIOLIS
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DANIELTIFINBURNE
Project: ORSTOM EV1000
Funding: ORSTOM-NOUMEA
Survey Departure Date (yyyymmdd): 19821010
Port of Departure: NOUMEA
Survey Arrival Date (yyyymmdd): 19821104
Port of Arrival: PORTVILA
Navigation Instrumentation: MAGNAVOX MX1112
Geodetic Datum/Position: SATELLITES TRANSIT
Bathymetry Instrumentation: EDO 12KHZ
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN # 172 PROTON PREC. MAG
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: LACOSTE&ROMBERG S51
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: TWG1.5,AMG,EPC
Formats of Seismic Data: NEANT
Topmost Latitude of Survey: -13
Bottommost Latitude: -22
Leftmost Longitude: +165
Rightmost Longitude: +171
General Digitizing Rate of Bathymetry: 50
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 07
Interpolation Scheme: NEANT
General Digitizing Rate of Magnetics: 50
General Sampling Rate of Magnetics: 03
Magnetic Sensor Tow Distance: 100
Reference Field Code: 04
Reference Field: IGRF80
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 50
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967 3
Reference System Code: 8
Reference System: IGSN71
Corrections Applied: .00014 MGAL PER DAY
Departure Base Station Gravity: 9726639
Departure Base Station Description: PORT DE NOUMEA
Arrival Base Station Gravity: 9726631
Arrival Base Station Description: PORT DE PORT VILA
Number of Data Records: 3903
Min/Max Data Record:
Date: 1982 10 10
Latitude: -21.27179
Longitude: +165.27750
Bathymetry, Corrected Depth: 85.0
Magnetics Total Field, 1st Sensor: 426900
Magnetics Residual Field: -25980
Observed Gravity: 9781792
Free-Air Anomaly: -1940
Min/Max Data Record:
Date: 1982 11 04
Latitude: -13.73817
Longitude: +170.27744
Bathymetry, Corrected Depth: 6910.0
Magnetics Total Field, 1st Sensor: 484060
Magnetics Residual Field: +12180
Observed Gravity: 9788822
Free-Air Anomaly: +1700