Survey Identifier: C1612


Format Acronym: MGD77
Data Center File Number: 01010118
Parameters Surveyed Code: 55530
File Creation Date (yyyymmdd): 19870730
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BRYAN, GEORGE , KUMAR, NARESH
Project: c1612
Survey Departure Date (yyyymmdd): 19730706
Port of Departure: RECIFE, BRAZIL
Survey Arrival Date (yyyymmdd): 19730805
Port of Arrival: ST THOMAS, VIRGIN ISLANDS
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE / DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: +19
Bottommost Latitude: -09
Leftmost Longitude: -065
Rightmost Longitude: -031
General Digitizing Rate of Bathymetry: 30
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 31
Reference Field Code: 73
General Digitizing Rate of Gravity: 31
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 13734

Min/Max Data Record:
Date: 1973 07 06
Latitude: -8.04580
Longitude: -64.94500
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 258170
Magnetics Residual Field: -06080
Free-Air Anomaly: -1707

Min/Max Data Record:
Date: 1973 08 05
Latitude: +18.18000
Longitude: -31.70320
Bathymetry, 2- Way Traveltime: 065500
Bathymetry, Corrected Depth: 4941.0
Magnetics Total Field, 1st Sensor: 423350
Magnetics Residual Field: +04030
Free-Air Anomaly: +1803