Survey Identifier: C2613
Format Acronym: MGD77
Data Center File Number: 01010259
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19901127
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. J Diebold
Project: c2613
Survey Departure Date (yyyymmdd): 19851119
Port of Departure: Hong Kong
Survey Arrival Date (yyyymmdd): 19851128
Port of Arrival: Hong Kong
Navigation Instrumentation: tr sat
Geodetic Datum/Position: dead reckoning
Bathymetry Instrumentation: 3.5 PDR
Magnetics Instrumentation: proton procession
Gravity Instrumentation: Bell BGM-3
Topmost Latitude of Survey: +23
Bottommost Latitude: +16
Leftmost Longitude: +111
Rightmost Longitude: +115
General Digitizing Rate of Bathymetry: 50
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 10
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
Reference System Code: 2
Reference System: Potsdam
Number of Data Records: 12153
Min/Max Data Record:
Date: 1985 11 18
Latitude: +16.27462
Longitude: +111.52660
Bathymetry, 2- Way Traveltime: 000533
Bathymetry, Corrected Depth: 40.0
Magnetics Total Field, 1st Sensor: 420130
Magnetics Residual Field: +01754
Observed Gravity: 9783997
Free-Air Anomaly: -0381
Min/Max Data Record:
Date: 1985 11 28
Latitude: +22.47788
Longitude: +114.41678
Bathymetry, 2- Way Traveltime: 044588
Bathymetry, Corrected Depth: 3336.0
Magnetics Total Field, 1st Sensor: 441380
Magnetics Residual Field: +05330
Observed Gravity: 9788789
Free-Air Anomaly: +0529