Survey Identifier: C2710
Format Acronym: MGD77
Data Center File Number: 01010270
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19901126
Source Institution: Lamont-Doherty Geological Observatory
Country: United States
Platform Name: R/V Conrad
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): C Raymond
Project: c2710
Funding: ODP
Survey Departure Date (yyyymmdd): 19861114
Port of Departure: Capetown, South Africa
Survey Arrival Date (yyyymmdd): 19861130
Port of Arrival: Capetown, South Africa
Navigation Instrumentation: GPS, TRANSIT SATELLITE
Geodetic Datum/Position: dead reckoning
Bathymetry Instrumentation: seabeam vertical beam
Additional Forms of Bathymetric Data: 3.5 PDR
Magnetics Instrumentation: proton procession
Gravity Instrumentation: Bell BGM-3
Topmost Latitude of Survey: -34
Bottommost Latitude: -48
Leftmost Longitude: +003
Rightmost Longitude: +019
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: Other data reported to have been collected on this cruise were single-channel, seismics.
Number of Data Records: 35467
Min/Max Data Record:
Date: 1986 11 14
Latitude: -47.63341
Longitude: +3.11153
Bathymetry, 2- Way Traveltime: 003136
Bathymetry, Corrected Depth: 236.0
Magnetics Total Field, 1st Sensor: 260600
Magnetics Residual Field: -08719
Observed Gravity: 9797041
Free-Air Anomaly: -0460
Min/Max Data Record:
Date: 1986 11 29
Latitude: -34.07789
Longitude: +18.78106
Bathymetry, 2- Way Traveltime: 068148
Bathymetry, Corrected Depth: 5116.0
Magnetics Total Field, 1st Sensor: 279940
Magnetics Residual Field: +09220
Observed Gravity: 9809558
Free-Air Anomaly: +0923