Survey Identifier: V3604


Format Acronym: MGD77
Data Center File Number: 01030235
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): BRIAN TAYLOR
Project: CRUISE 36 LEG 4
Funding: ONR TO 210 SCOPE 0
Survey Departure Date (yyyymmdd): 19791112
Port of Departure: APRA, GUAM
Survey Arrival Date (yyyymmdd): 19791125
Port of Arrival: HONG KONG
Navigation Instrumentation: SEXTANT AND SATELLITE
Geodetic Datum/Position: SATELLITE/DEAD RECKONING
Bathymetry Instrumentation: 06-3.5 AND 12KHZ,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: GRAF-ASKANIA GSS2-31
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: +22
Bottommost Latitude: +12
Leftmost Longitude: +114
Rightmost Longitude: +145
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: 04
Reference Field: IGRF-75
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV POINTS
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 0
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Number of Data Records: 4099

Min/Max Data Record:
Date: 1979 11 12
Latitude: +12.43750
Longitude: +114.85350
Bathymetry, 2- Way Traveltime: 000775
Bathymetry, Corrected Depth: 58.0
Magnetics Total Field, 1st Sensor: 363410
Magnetics Residual Field: -02680
Free-Air Anomaly: -1856

Min/Max Data Record:
Date: 1979 11 25
Latitude: +21.69220
Longitude: +144.17880
Bathymetry, 2- Way Traveltime: 108025
Bathymetry, Corrected Depth: 8271.0
Magnetics Total Field, 1st Sensor: 434780
Magnetics Residual Field: +04260
Free-Air Anomaly: +1070