Survey Identifier: V2404
Format Acronym: MGD77
Data Center File Number: 01030095
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR. GEORGE BRYAN
Project: CRUISE 24, LEG 04
Survey Departure Date (yyyymmdd): 19670327
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19670422
Port of Arrival: MIDWAY ISLAND
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.IN.AIRGUN,EEL, DRUM RECORDER
Formats of Seismic Data: TWO, 2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +29
Bottommost Latitude: +08
Leftmost Longitude: +158
Rightmost Longitude: -158
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 NAV. PTS.
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
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: 6437
Min/Max Data Record:
Date: 1967 03 27
Latitude: +8.97820
Longitude: -179.98970
Bathymetry, 2- Way Traveltime: 002100
Bathymetry, Corrected Depth: 157.0
Magnetics Total Field, 1st Sensor: 329970
Magnetics Residual Field: -12440
Free-Air Anomaly: -0551
Min/Max Data Record:
Date: 1967 04 22
Latitude: +28.16670
Longitude: +179.99010
Bathymetry, 2- Way Traveltime: 085000
Bathymetry, Corrected Depth: 6445.0
Magnetics Total Field, 1st Sensor: 369970
Magnetics Residual Field: +07580
Free-Air Anomaly: +1993