Survey Identifier: C0906


Format Acronym: MGD77
Data Center File Number: 01010024
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): A. LONARDI
Project: CRUISE 09, LEG 6
Survey Departure Date (yyyymmdd): 19650322
Port of Departure: WELLINGTON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19650419
Port of Arrival: HOBART, TASMANIA
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: -23
Bottommost Latitude: -47
Leftmost Longitude: +147
Rightmost Longitude: -163
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: 39
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV PTS
General Digitizing Rate of Gravity: 38
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: 9773

Min/Max Data Record:
Date: 1965 03 23
Latitude: -46.53030
Longitude: -179.99460
Bathymetry, 2- Way Traveltime: 000350
Bathymetry, Corrected Depth: 26.0
Magnetics Total Field, 1st Sensor: 442950
Magnetics Residual Field: -07220
Free-Air Anomaly: -1584

Min/Max Data Record:
Date: 1965 04 19
Latitude: -23.08880
Longitude: +179.99910
Bathymetry, 2- Way Traveltime: 121750
Bathymetry, Corrected Depth: 9375.0
Magnetics Total Field, 1st Sensor: 640110
Magnetics Residual Field: +07850
Free-Air Anomaly: +0528