Survey Identifier: EV1200


Format Acronym: MGD77
Data Center File Number: 84010014
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): P.MAILLET
Project: ORSTOM EV1200
Funding: ORSTOM-NOUMEA
Survey Departure Date (yyyymmdd): 19831016
Port of Departure: noumea
Survey Arrival Date (yyyymmdd): 198311 2
Port of Arrival: noumea
Navigation Instrumentation: MAGNAVOX MX1107R
Geodetic Datum/Position: SATELLITES TRANSIT
Bathymetry Instrumentation: EDO 12KHZ
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN V4970 #173 PROTON PREC. MAG
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: L&R S51(BON)
Additional Forms of Gravity Data: ANALOG RECORDS
Formats of Seismic Data: NEANT
Topmost Latitude of Survey: -19
Bottommost Latitude: -24
Leftmost Longitude: +168
Rightmost Longitude: +177
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: IGFR80
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: -.00016 MGAL PER DAY
Departure Base Station Gravity: 9726595
Departure Base Station Description: PORT DE NOUMEA
Arrival Base Station Gravity: 9726635
Arrival Base Station Description: PORT DE NOUMEA
Number of Data Records: 4288

Min/Max Data Record:
Date: 1983 10 16
Latitude: -23.34199
Longitude: +168.50116
Bathymetry, Corrected Depth: 290.0
Magnetics Total Field, 1st Sensor: 450020
Magnetics Residual Field: -08720
Observed Gravity: 9785639
Free-Air Anomaly: -1910

Min/Max Data Record:
Date: 1983 10 30
Latitude: -19.99091
Longitude: +176.06329
Bathymetry, Corrected Depth: 6630.0
Magnetics Total Field, 1st Sensor: 479910
Magnetics Residual Field: +07420
Observed Gravity: 9789215
Free-Air Anomaly: +1870