Survey Identifier: EVA600
Format Acronym: MGD77
Data Center File Number: 84010012
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 1988 3 7
Source Institution: GEOMER DATA BANK ORSTOM NOUMEA
Country: NOVELLE CALEDONIE
Platform Name: CORIOLIS
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DANIEL ET AL.
Project: ORSTOM EVA600
Funding: ORSTOM-NOUMEA
Survey Departure Date (yyyymmdd): 19780523
Port of Departure: NOUMEA
Survey Arrival Date (yyyymmdd): 19780630
Port of Arrival: NOUMEA
Navigation Instrumentation: TRANSIT PDP9
Geodetic Datum/Position: SATELLITES TRANSIT
Bathymetry Instrumentation: EDO 12KHZ
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN #173 PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: L&R S51
Additional Forms of Gravity Data: ANALOG RECORDS
Formats of Seismic Data: NEANT
Topmost Latitude of Survey: -17
Bottommost Latitude: -26
Leftmost Longitude: +164
Rightmost Longitude: +179
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 07
Interpolation Scheme: NEANT
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 03
Magnetic Sensor Tow Distance: 100
Reference Field Code: 04
Reference Field: IGRF75
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: IGSN 71
Corrections Applied: -.00007 MGAL PER DAY
Departure Base Station Gravity: 9726959
Departure Base Station Description: PORT DE NOUMEA
Arrival Base Station Gravity: 9726966
Arrival Base Station Description: PORT DE NOUMEA
Number of Data Records: 6873
Min/Max Data Record:
Date: 1978 05 24
Latitude: -25.15400
Longitude: +164.42166
Bathymetry, Corrected Depth: 9.0
Magnetics Total Field, 1st Sensor: 430000
Magnetics Residual Field: -06830
Observed Gravity: 9783710
Free-Air Anomaly: -1690
Min/Max Data Record:
Date: 1978 06 24
Latitude: -17.02167
Longitude: +178.28534
Bathymetry, Corrected Depth: 6858.0
Magnetics Total Field, 1st Sensor: 493920
Magnetics Residual Field: +07380
Observed Gravity: 9790060
Free-Air Anomaly: +1830