Survey Identifier: C2610
Format Acronym: MGD77
Data Center File Number: 01010256
Parameters Surveyed Code: 55531
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. A Shor
Project: c2610
Funding: AT&T
Survey Departure Date (yyyymmdd): 19850827
Port of Departure: Honolulu, Hawaii
Survey Arrival Date (yyyymmdd): 19850928
Port of Arrival: Guam
Navigation Instrumentation: RANGE-RANGE LORAN, GPS, TRANSIT SATELLIT
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: +25
Bottommost Latitude: +13
Leftmost Longitude: +144
Rightmost Longitude: -158
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
Additional Documentation: Dredging was reported to have taken place.
Number of Data Records: 42211
Min/Max Data Record:
Date: 1985 08 29
Latitude: +13.44689
Longitude: -179.99996
Bathymetry, 2- Way Traveltime: 003841
Bathymetry, Corrected Depth: 294.0
Magnetics Total Field, 1st Sensor: 348350
Magnetics Residual Field: -11292
Observed Gravity: 9782828
Free-Air Anomaly: -1299
Min/Max Data Record:
Date: 1985 09 26
Latitude: +24.79903
Longitude: +179.99696
Bathymetry, 2- Way Traveltime: 090028
Bathymetry, Corrected Depth: 6843.0
Magnetics Total Field, 1st Sensor: 371160
Magnetics Residual Field: +06186
Observed Gravity: 9791627
Free-Air Anomaly: +2734