Survey Identifier: C1102
Format Acronym: MGD77
Data Center File Number: 01010045
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19890706
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ROBERT D. CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): A. LONARDI
Project: CRUISE 11, LEG2
Survey Departure Date (yyyymmdd): 19661226
Port of Departure: RECIFE, BRAZIL
Survey Arrival Date (yyyymmdd): 19670126
Port of Arrival: BUENOS AIRES, ARGENTINA
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE /DEAD RECKONING
Bathymetry Instrumentation: 06-3.5 AND 12 KHZ, WIDE BEAM (60 DEG)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PRORN PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU-IN-AIRGUN,EEL, DRUM RECORDER
Formats of Seismic Data: TWO, 2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: -08
Bottommost Latitude: -45
Leftmost Longitude: -057
Rightmost Longitude: -030
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 37
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV PTS
Theoretical Gravity Formula Code: I
Theoretical Gravity Formula: 2
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: ---
Number of Data Records: 11633
Min/Max Data Record:
Date: 1966 12 26
Latitude: -44.04970
Longitude: -56.17150
Bathymetry, 2- Way Traveltime: 000875
Bathymetry, Corrected Depth: 66.0
Magnetics Total Field, 1st Sensor: 242910
Magnetics Residual Field: -03090
Min/Max Data Record:
Date: 1967 01 26
Latitude: -8.36570
Longitude: -30.01640
Bathymetry, 2- Way Traveltime: 073250
Bathymetry, Corrected Depth: 5533.0
Magnetics Total Field, 1st Sensor: 271150
Magnetics Residual Field: +06890