Survey Identifier: C1103
Format Acronym: MGD77
Data Center File Number: 01010046
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): X. LE PICHON
Project: CRUISE 11, LEG 3
Survey Departure Date (yyyymmdd): 19570131
Port of Departure: BUENOS AIRES, ARGENTINA
Survey Arrival Date (yyyymmdd): 19670227
Port of Arrival: CAPETOWN, SOUTH AFRICA
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: -35
Bottommost Latitude: -56
Leftmost Longitude: -057
Rightmost Longitude: +018
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: 36
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: 10387
Min/Max Data Record:
Date: 1967 01 31
Latitude: -55.18490
Longitude: -56.30000
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Magnetics Total Field, 1st Sensor: 251700
Magnetics Residual Field: -08230
Min/Max Data Record:
Date: 1967 02 26
Latitude: -35.61670
Longitude: +17.24670
Bathymetry, 2- Way Traveltime: 093150
Bathymetry, Corrected Depth: 7024.0
Magnetics Total Field, 1st Sensor: 318340
Magnetics Residual Field: +08470