Survey Identifier: C2608
Format Acronym: MGD77
Data Center File Number: 01010254
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 Weissel
Project: c2608
Funding: NSF
Survey Departure Date (yyyymmdd): 19850624
Port of Departure: Manzanillo, Mexico
Survey Arrival Date (yyyymmdd): 19850808
Port of Arrival: Tahiti
Navigation Instrumentation: GPS, TRANSIT SATELLITE
Geodetic Datum/Position: dead reckoning
Bathymetry Instrumentation: seabeam
Additional Forms of Bathymetric Data: 3.5 PDR
Magnetics Instrumentation: proton procession
Gravity Instrumentation: Bell BGM-3
Topmost Latitude of Survey: +19
Bottommost Latitude: -22
Leftmost Longitude: -150
Rightmost Longitude: -103
General Digitizing Rate of Bathymetry: 10
General Sampling Rate of Bathymetry: VAR W/ DEPTH
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: 66619
Min/Max Data Record:
Date: 1985 06 24
Latitude: -21.99745
Longitude: -149.56402
Bathymetry, 2- Way Traveltime: 011148
Bathymetry, Corrected Depth: 839.0
Magnetics Total Field, 1st Sensor: 301510
Magnetics Residual Field: -05920
Observed Gravity: 9781300
Free-Air Anomaly: -0320
Min/Max Data Record:
Date: 1985 08 08
Latitude: +18.76240
Longitude: -103.71535
Bathymetry, 2- Way Traveltime: 069788
Bathymetry, Corrected Depth: 5259.0
Magnetics Total Field, 1st Sensor: 364450
Magnetics Residual Field: +03721
Observed Gravity: 9788152
Free-Air Anomaly: +0671