Survey Identifier: C0901
Format Acronym: MGD77
Data Center File Number: 01010019
Parameters Surveyed Code: 555
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): J. HERTZLER
Project: CRUISE 09, LEG 1
Survey Departure Date (yyyymmdd): 19641017
Port of Departure: PIERMONT, NEW YORK
Survey Arrival Date (yyyymmdd): 19641110
Port of Arrival: GALVESTON, TEXAS
Bathymetry Instrumentation: 06-3.5 AND 12 KHZ, WIDE BEAM (60 DEG)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PROTON-PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: ANSCHUTZ ELECTRICTABLE, ASKANIA GSS2-6
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 RECORDS
Topmost Latitude of Survey: +41
Bottommost Latitude: +23
Leftmost Longitude: -095
Rightmost Longitude: -069
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: 178
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV PTS
General Digitizing Rate of Gravity: 195
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM
Additional Documentation: ---
Number of Data Records: 2922
Min/Max Data Record:
Date: 1964 10 17
Latitude: +23.77350
Longitude: -94.51670
Bathymetry, 2- Way Traveltime: 000100
Bathymetry, Corrected Depth: 7.0
Magnetics Total Field, 1st Sensor: 482510
Magnetics Residual Field: -03270
Free-Air Anomaly: -1554
Min/Max Data Record:
Date: 1964 11 10
Latitude: +40.43170
Longitude: -69.12060
Bathymetry, 2- Way Traveltime: 069600
Bathymetry, Corrected Depth: 5277.0
Magnetics Total Field, 1st Sensor: 566850
Magnetics Residual Field: +04000
Free-Air Anomaly: +0463