Survey Identifier: C0809
Format Acronym: MGD77
Data Center File Number: 01010015
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890626
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ROBERT D. CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R. GERARD AND M. LANGSETH
Project: CRUISE 08, LEG 9
Survey Departure Date (yyyymmdd): 19640601
Port of Departure: SAN JUAN, PUERTO RICO
Survey Arrival Date (yyyymmdd): 19640629
Port of Arrival: SAN JUAN, PUERTO RICO
Bathymetry Instrumentation: 06-3.5 AND 12 KHZ, WIDE BEAM (60 DEG)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Gravity Instrumentation: ANSCHUTZ ELECTRICTABLE, ASKANIA
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU.IN.AIRGUN, EEL, DRUM RECORDER
Formats of Seismic Data: TWO, 2-CHANNEL SHEET RECORD
Topmost Latitude of Survey: +23
Bottommost Latitude: +18
Leftmost Longitude: -067
Rightmost Longitude: -063
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 1463
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 65
General Digitizing Rate of Gravity: 65
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: ---
Number of Data Records: 5111
Min/Max Data Record:
Date: 1964 06 01
Latitude: +18.42870
Longitude: -66.68230
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 433110
Magnetics Residual Field: -03280
Free-Air Anomaly: -3236
Min/Max Data Record:
Date: 1964 06 29
Latitude: +22.50500
Longitude: -63.62610
Bathymetry, 2- Way Traveltime: 108950
Bathymetry, Corrected Depth: 8372.0
Magnetics Total Field, 1st Sensor: 458670
Magnetics Residual Field: +06130
Free-Air Anomaly: +1298