Survey Identifier: C0909
Format Acronym: MGD77
Data Center File Number: 01010027
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890626
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ROBERT D. CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): M. LANGBETH
Project: CRUISE 09, LEG 9
Survey Departure Date (yyyymmdd): 19650520
Port of Departure: FREEMANTLE, AUSTRALIA
Survey Arrival Date (yyyymmdd): 19650609
Port of Arrival: COLOMBO, CEYLON
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 GSS2-6
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: +07
Bottommost Latitude: -33
Leftmost Longitude: +079
Rightmost Longitude: +116
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: 74
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV PTS
General Digitizing Rate of Gravity: 65
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM
Additional Documentation: 06- 3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
Number of Data Records: 3799
Min/Max Data Record:
Date: 1965 05 20
Latitude: -32.03330
Longitude: +79.81110
Bathymetry, 2- Way Traveltime: 000375
Bathymetry, Corrected Depth: 28.0
Magnetics Total Field, 1st Sensor: 401300
Magnetics Residual Field: -04930
Free-Air Anomaly: -0756
Min/Max Data Record:
Date: 1965 06 09
Latitude: +6.93530
Longitude: +115.70870
Bathymetry, 2- Way Traveltime: 082825
Bathymetry, Corrected Depth: 6276.0
Magnetics Total Field, 1st Sensor: 584630
Magnetics Residual Field: +09280
Free-Air Anomaly: +0137