Survey Identifier: E9307
Format Acronym: MGD77
Data Center File Number: 01210036
Parameters Surveyed Code: 53399
File Creation Date (yyyymmdd): 19940526
Source Institution: Lamont-Doherty Geological Observatory
Country: United States
Platform Name: maurice ewing
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): sci. off. T.D. Aitken
Project: Transit cruise unknown
Survey Departure Date (yyyymmdd): 19931006
Port of Departure: Rio de Janeiro, Brazil
Survey Arrival Date (yyyymmdd): 19931021
Port of Arrival: Cape Town, South Africa
Navigation Instrumentation: Furuno speed log, Magnavox GPS 4200D and
Geodetic Datum/Position: 1-min DR positions between GPS positio
Bathymetry Instrumentation: VERTICAL BEAM FROM ATLAS HYDROSWEEP
Topmost Latitude of Survey: -22
Bottommost Latitude: -37
Leftmost Longitude: -044
Rightmost Longitude: +019
General Digitizing Rate of Bathymetry: 10
General Sampling Rate of Bathymetry: every ping
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 0
Number of Data Records: 21041
Min/Max Data Record:
Date: 1993 10 06
Latitude: -36.12765
Longitude: -43.19370
Bathymetry, 2- Way Traveltime: 012303
Bathymetry, Corrected Depth: 920.0
Min/Max Data Record:
Date: 1993 10 21
Latitude: -22.88956
Longitude: +18.44087
Bathymetry, 2- Way Traveltime: 071856
Bathymetry, Corrected Depth: 5421.0