Survey Identifier: CD3088
Format Acronym: MGD77
Data Center File Number: 19180005
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19930701
Source Institution: INSTITUTE OF OCEANOGRAPHIC SCIENCES, UK
Country: UNITED KINGDOM
Platform Name: CHARLES DARWIN
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): D. G. MASSON
Project: CHARLES DARWIN CRUISE 30 1988
Funding: N.E.R.C.
Survey Departure Date (yyyymmdd): 19880206
Port of Departure: DJAKARTA, INDONESIA
Survey Arrival Date (yyyymmdd): 19880304
Port of Arrival: DARWIN, AUSTRALIA
Navigation Instrumentation: GPS & MAGNAVOX SATELLITE NAVIGATOR
Geodetic Datum/Position: PRIM-SAT PLUS DEAD RECKONING
Bathymetry Instrumentation: PRECISION ECHO SOUNDER - IOS MK 3
Additional Forms of Bathymetric Data: ANALOGUE
Magnetics Instrumentation: VARIAN V75 PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOGUE
Topmost Latitude of Survey: +04
Bottommost Latitude: -13
Leftmost Longitude: +104
Rightmost Longitude: +135
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: 2/SEC
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 020
General Sampling Rate of Magnetics: 02
Magnetic Sensor Tow Distance: 250
Reference Field Code: 04
Reference Field: IGRF-85
Method of Applying Residual Field: LINEAR INTERPOLATION PER DEGREE SQUARE
General Digitizing Rate of Gravity: 060
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: CROSS COUPLING PLUS EOTVOS
Number of Data Records: 19811
Min/Max Data Record:
Date: 1988 02 06
Latitude: -12.10929
Longitude: +104.88580
Bathymetry, 2- Way Traveltime: 001359
Bathymetry, Corrected Depth: 102.0
Magnetics Total Field, 1st Sensor: 393880
Magnetics Residual Field: -08210
Free-Air Anomaly: -2320
Min/Max Data Record:
Date: 1988 03 04
Latitude: +3.78979
Longitude: +134.75540
Bathymetry, 2- Way Traveltime: 094213
Bathymetry, Corrected Depth: 7169.0
Magnetics Total Field, 1st Sensor: 471380
Magnetics Residual Field: +02310
Free-Air Anomaly: +1350