Survey Identifier: C0807
Format Acronym: MGD77
Data Center File Number: 01010013
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): J. EWING
Project: CRUISE 08, LEG 7
Survey Departure Date (yyyymmdd): 19640421
Port of Departure: BALBOA, PANAMA
Survey Arrival Date (yyyymmdd): 19640503
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
Magnetics Instrumentation: L-DGO MFG PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: ANSCHULTZ 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: +22
Bottommost Latitude: +09
Leftmost Longitude: -080
Rightmost Longitude: -065
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: 47
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV PTS
General Digitizing Rate of Gravity: 47
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: ---
Number of Data Records: 3303
Min/Max Data Record:
Date: 1964 04 21
Latitude: +9.38330
Longitude: -79.90000
Bathymetry, 2- Way Traveltime: 000300
Bathymetry, Corrected Depth: 22.0
Magnetics Total Field, 1st Sensor: 381520
Magnetics Residual Field: -06930
Free-Air Anomaly: -3546
Min/Max Data Record:
Date: 1964 05 02
Latitude: +21.20000
Longitude: -65.21670
Bathymetry, 2- Way Traveltime: 108750
Bathymetry, Corrected Depth: 8356.0
Magnetics Total Field, 1st Sensor: 453270
Magnetics Residual Field: +05920
Free-Air Anomaly: +0846