Survey Identifier: C0804
Format Acronym: MGD77
Data Center File Number: 01010010
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): Robert E. Houtz
Project: CRUISE 08, LEG 4
Survey Departure Date (yyyymmdd): 19640304
Port of Departure: LYTTLETON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19640307
Port of Arrival: AUCKLAND, NEW ZEALAND
Bathymetry Instrumentation: 06-3.5 AND 12 KHZ, WIDE BEAM (60 DEG)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: ANSCHULTZ 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: -36
Bottommost Latitude: -44
Leftmost Longitude: +172
Rightmost Longitude: +179
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 1463
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 23
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV PTS
General Digitizing Rate of Gravity: 24
Number of Data Records: 1742
Min/Max Data Record:
Date: 1964 03 04
Latitude: -43.54330
Longitude: +172.87500
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Magnetics Total Field, 1st Sensor: 546540
Magnetics Residual Field: -04720
Free-Air Anomaly: -1577
Min/Max Data Record:
Date: 1964 03 07
Latitude: -36.44830
Longitude: +178.69960
Bathymetry, 2- Way Traveltime: 030875
Bathymetry, Corrected Depth: 2307.0
Magnetics Total Field, 1st Sensor: 588660
Magnetics Residual Field: +01440
Free-Air Anomaly: +0694