Survey Identifier: C2602
Format Acronym: MGD77
Data Center File Number: 01010248
Parameters Surveyed Code: 51531
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): N. Cherkis (NRL)
Project: c2602
Funding: NRL/ONR
Survey Departure Date (yyyymmdd): 19850204
Port of Departure: Ascension Island
Survey Arrival Date (yyyymmdd): 19850226
Port of Arrival: Bridgetown, Barbados
Navigation Instrumentation: TRANSIT SATELLITE, GPS
Geodetic Datum/Position: dead reckoning
Bathymetry Instrumentation: seabeam
Additional Forms of Bathymetric Data: 3.5 PDR
Gravity Instrumentation: Bell BGM-3
Topmost Latitude of Survey: +13
Bottommost Latitude: -09
Leftmost Longitude: -060
Rightmost Longitude: -010
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 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: 34585
Min/Max Data Record:
Date: 1985 02 03
Latitude: -8.10409
Longitude: -59.38282
Bathymetry, 2- Way Traveltime: 021573
Bathymetry, Corrected Depth: 1608.0
Observed Gravity: 9779481
Free-Air Anomaly: -1629
Min/Max Data Record:
Date: 1985 02 26
Latitude: +12.86344
Longitude: -10.91506
Bathymetry, 2- Way Traveltime: 092428
Bathymetry, Corrected Depth: 7041.0
Observed Gravity: 9783288
Free-Air Anomaly: +1469