Survey Identifier: EV1100


Format Acronym: MGD77
Data Center File Number: 84010008
Parameters Surveyed Code: 55510
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): COLLOT
Project: ORSTOM EV1100
Funding: ORSTOM-NOUMEA
Survey Departure Date (yyyymmdd): 19821110
Port of Departure: noumea
Survey Arrival Date (yyyymmdd): 19821204
Port of Arrival: noumea
Navigation Instrumentation: MAGNAVOX MX1112
Geodetic Datum/Position: SATELLITES TRANSIT
Bathymetry Instrumentation: EDO4077 12KHZ
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN #174 PROTON PREC. MAG
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: LACOSTE&ROMBERG S51
Additional Forms of Gravity Data: ANALOG RECORDS
Formats of Seismic Data: NEANT
Topmost Latitude of Survey: -14
Bottommost Latitude: -23
Leftmost Longitude: +161
Rightmost Longitude: +170
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: -.00024 MGAL PER DAY
Departure Base Station Gravity: 9726623
Departure Base Station Description: PORT DE PORT VILA
Arrival Base Station Gravity: 9726634
Arrival Base Station Description: PORT DE SANTO
Number of Data Records: 5202

Min/Max Data Record:
Date: 1982 11 10
Latitude: -22.25730
Longitude: +161.51282
Bathymetry, Corrected Depth: 8.0
Magnetics Total Field, 1st Sensor: 427620
Magnetics Residual Field: -16320
Observed Gravity: 9783166
Free-Air Anomaly: -1330

Min/Max Data Record:
Date: 1982 12 04
Latitude: -14.33410
Longitude: +169.50650
Bathymetry, Corrected Depth: 9999.0
Magnetics Total Field, 1st Sensor: 499160
Magnetics Residual Field: +27670
Observed Gravity: 9789507
Free-Air Anomaly: +3350