Survey Identifier: V3306


Format Acronym: MGD77
Data Center File Number: 01030202
Parameters Surveyed Code: 51533
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): E. BONATTI
Project: CRUISE 33, LEG 06
Funding: ONR T00014-75-C-0210
Survey Departure Date (yyyymmdd): 19760419
Port of Departure: COLOMBO, SRI LANKA
Survey Arrival Date (yyyymmdd): 19760514
Port of Arrival: DJI BOUTI TF,AI
Navigation Instrumentation: SATELLITE/SEXTANT
Geodetic Datum/Position: SATELLITE / DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD. DOC./ 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Gravity Instrumentation: GRAFT-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: +15
Bottommost Latitude: +06
Leftmost Longitude: +043
Rightmost Longitude: +080
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 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: 5842

Min/Max Data Record:
Date: 1976 04 19
Latitude: +6.95500
Longitude: +43.18670
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Free-Air Anomaly: -1294

Min/Max Data Record:
Date: 1976 05 14
Latitude: +14.92410
Longitude: +79.75500
Bathymetry, 2- Way Traveltime: 076550
Bathymetry, Corrected Depth: 5804.0
Free-Air Anomaly: +1344