Survey Identifier: V1611


Format Acronym: MGD77
Data Center File Number: 01030391
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19890630
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: v1611
Survey Departure Date (yyyymmdd): 19600615
Port of Departure: Buenos Aires, Argentina
Survey Arrival Date (yyyymmdd): 19600630
Port of Arrival: Rio de Janeiro, Brazil
Navigation Instrumentation: stars and dead reckoning
Geodetic Datum/Position: DR
Bathymetry Instrumentation: 12 khz PDR
Additional Forms of Bathymetric Data: paper records
Magnetics Instrumentation: unknown
Additional Forms of Magnetics Data: paper records, maybe
Topmost Latitude of Survey: -22
Bottommost Latitude: -36
Leftmost Longitude: -057
Rightmost Longitude: -039
General Digitizing Rate of Bathymetry: 105
General Sampling Rate of Bathymetry: contineous
Assumed Sound Velocity: 14631
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 173
Reference Field Code: 4
Number of Data Records: 2294

Min/Max Data Record:
Date: 1960 06 16
Latitude: -35.16999
Longitude: -56.29833
Bathymetry, 2- Way Traveltime: 000051
Bathymetry, Corrected Depth: 4.0
Magnetics Total Field, 1st Sensor: 238510
Magnetics Residual Field: -03823

Min/Max Data Record:
Date: 1960 06 30
Latitude: -22.95833
Longitude: -39.41333
Bathymetry, 2- Way Traveltime: 064576
Bathymetry, Corrected Depth: 4864.0
Magnetics Total Field, 1st Sensor: 256950
Magnetics Residual Field: +14476