Survey Identifier: V1511


Format Acronym: MGD77
Data Center File Number: 01030372
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19921209
Source Institution: Lamont-Doherty Geological Observatory
Country: United States
Platform Name: R/V Vema
Platform Type Code: 1
Platform Type: ship
Chief Scientist(s): Dr. Maurice Ewing
Project: v1511
Survey Departure Date (yyyymmdd): 19590312
Port of Departure: Ushuaia, Argentina
Survey Arrival Date (yyyymmdd): 19590405
Port of Arrival: Mar del Plata, Argentina
Navigation Instrumentation: stars
Geodetic Datum/Position: dr and mileage log
Bathymetry Instrumentation: 12 khz PDR
Additional Forms of Bathymetric Data: paper records
Topmost Latitude of Survey: -38
Bottommost Latitude: -59
Leftmost Longitude: -069
Rightmost Longitude: -047
General Digitizing Rate of Bathymetry: 50
General Sampling Rate of Bathymetry: continuous
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
Interpolation Scheme: 5 min intervals when data spacing less than 30 min
Additional Documentation: Bathymetry points were interpolated at 5 minute intervals when data spacing, was less than 30 minutes. When data spacing was 30 minutes or more, no, interpolation was done. Actual and interpolated values are included.
Number of Data Records: 5931

Min/Max Data Record:
Date: 1959 03 12
Latitude: -58.48093
Longitude: -68.27665
Bathymetry, 2- Way Traveltime: 000101
Bathymetry, Corrected Depth: 8.0

Min/Max Data Record:
Date: 1959 04 04
Latitude: -38.10499
Longitude: -47.23833
Bathymetry, 2- Way Traveltime: 083001
Bathymetry, Corrected Depth: 6260.0