Survey Identifier: C2612
Format Acronym: MGD77
Data Center File Number: 01010258
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19910214
Source Institution: Lamont-Doherty Geological Observatory
Country: United States
Platform Name: R/V Conrad
Platform Type Code: 1
Platform Type: ship
Chief Scientist(s): Dr. Dennis Hayes
Project: c2612
Survey Departure Date (yyyymmdd): 19851019
Port of Departure: Hong Kong
Survey Arrival Date (yyyymmdd): 19851116
Port of Arrival: Hong Kong
Navigation Instrumentation: sat
Bathymetry Instrumentation: 3.5 khz PDR
Magnetics Instrumentation: proton procession
Gravity Instrumentation: Bell BGM-3
Topmost Latitude of Survey: +23
Bottommost Latitude: +10
Leftmost Longitude: +112
Rightmost Longitude: +119
General Digitizing Rate of Bathymetry: 057
General Sampling Rate of Bathymetry: contineous
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 014
Reference Field Code: 4
Reference Field: IGRF-75
General Digitizing Rate of Gravity: 10
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: International 30
Reference System Code: 2
Reference System: Potsdam
Number of Data Records: 39254
Min/Max Data Record:
Date: 1985 10 18
Latitude: +10.43051
Longitude: +112.68309
Bathymetry, 2- Way Traveltime: 000493
Bathymetry, Corrected Depth: 37.0
Magnetics Total Field, 1st Sensor: 404410
Magnetics Residual Field: +01500
Observed Gravity: 9782070
Free-Air Anomaly: -0561
Min/Max Data Record:
Date: 1985 11 16
Latitude: +22.50279
Longitude: +118.85991
Bathymetry, 2- Way Traveltime: 059041
Bathymetry, Corrected Depth: 4439.0
Magnetics Total Field, 1st Sensor: 442750
Magnetics Residual Field: +06539
Observed Gravity: 9788838
Free-Air Anomaly: +0921