Survey Identifier: V3215


Format Acronym: MGD77
Data Center File Number: 01030196
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): A. Watts
Project: CRUISEV32, LEG15
Funding: (SEE ADD DOC / 19)
Survey Departure Date (yyyymmdd): 19751018
Port of Departure: SUVA, FIJI ISLAND
Survey Arrival Date (yyyymmdd): 19751113
Port of Arrival: MELBOURNE, AUSTRALIA
Navigation Instrumentation: SATELLITE/ SEXTANT
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: GRAF-ASKANIA GSS2-12
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU-IW-AIRGUN,EEL,DRUM RECORDER
Formats of Seismic Data: TWO,2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: -18
Bottommost Latitude: -42
Leftmost Longitude: +144
Rightmost Longitude: +180
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: 060
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO PTS
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
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, NSF DES7100214, AND ONR N00014-75-C-0210
Number of Data Records: 7908

Min/Max Data Record:
Date: 1975 10 18
Latitude: -41.08180
Longitude: +144.36690
Bathymetry, 2- Way Traveltime: 000350
Bathymetry, Corrected Depth: 26.0
Magnetics Total Field, 1st Sensor: 435560
Magnetics Residual Field: -04390
Free-Air Anomaly: -0947

Min/Max Data Record:
Date: 1975 11 13
Latitude: -18.22500
Longitude: +179.00560
Bathymetry, 2- Way Traveltime: 071650
Bathymetry, Corrected Depth: 5400.0
Magnetics Total Field, 1st Sensor: 623830
Magnetics Residual Field: +09800
Free-Air Anomaly: +1226