Survey Identifier: V3313


Format Acronym: MGD77
Data Center File Number: 01030213
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): J. K. WEISSEL
Project: CRUISE V33, LEG 13
Funding: NSF OCE 76-22034
Survey Departure Date (yyyymmdd): 19761220
Port of Departure: GUAM, MARIANA ISLANDS
Survey Arrival Date (yyyymmdd): 19770117
Port of Arrival: TOWNSVILLE, 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: +14
Bottommost Latitude: -20
Leftmost Longitude: +143
Rightmost Longitude: +155
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
Number of Data Records: 9284

Min/Max Data Record:
Date: 1976 12 20
Latitude: -19.07000
Longitude: +143.92770
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 360150
Magnetics Residual Field: -06960
Free-Air Anomaly: -3008

Min/Max Data Record:
Date: 1977 01 17
Latitude: +13.44000
Longitude: +154.84090
Bathymetry, 2- Way Traveltime: 123925
Bathymetry, Corrected Depth: 9557.0
Magnetics Total Field, 1st Sensor: 493330
Magnetics Residual Field: +07050
Free-Air Anomaly: +1609