Survey Identifier: C1404
Format Acronym: MGD77
Data Center File Number: 01010093
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890706
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ROBERT D. CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): C. WINDISCH
Project: CRUISE 14, LEG 4
Survey Departure Date (yyyymmdd): 19710509
Port of Departure: DARWIN, AUSTRALIA
Survey Arrival Date (yyyymmdd): 19710613
Port of Arrival: TOKYO, JAPAN
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE/ DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD DOC / 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PROTON-PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: ANSCHUTZ ELECTRICTABLE, ASKANIA GSS2-31
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU-IN-AIRGUN,EEL,DRUM RECORDER
Formats of Seismic Data: TWO, 2 CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +35
Bottommost Latitude: -13
Leftmost Longitude: +113
Rightmost Longitude: +141
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 41
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO NAV PTS
General Digitizing Rate of Gravity: 41
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: 06 -3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
Number of Data Records: 12181
Min/Max Data Record:
Date: 1971 05 09
Latitude: -12.28380
Longitude: +113.22240
Bathymetry, 2- Way Traveltime: 000300
Bathymetry, Corrected Depth: 22.0
Magnetics Total Field, 1st Sensor: 392340
Magnetics Residual Field: -05810
Free-Air Anomaly: -2447
Min/Max Data Record:
Date: 1971 06 12
Latitude: +34.81170
Longitude: +140.71650
Bathymetry, 2- Way Traveltime: 082050
Bathymetry, Corrected Depth: 6217.0
Magnetics Total Field, 1st Sensor: 459010
Magnetics Residual Field: +04900
Free-Air Anomaly: +2034