Survey Identifier: V3208
Format Acronym: MGD77
Data Center File Number: 01030189
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ROBERT LEYDEN
Project: CRUISE 32 LEG 08
Funding: (SEE ADD DOC / 19)
Survey Departure Date (yyyymmdd): 19750424
Port of Departure: SAN JUAN, PUERTO RICO
Survey Arrival Date (yyyymmdd): 19750509
Port of Arrival: CRISTOBAL, PANAMA CANAL ZONE
Navigation Instrumentation: SATELLITE/ SEXTANT
Geodetic Datum/Position: SATELLITE/ DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD DOC / 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PROTON-PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: GRAF-ASKANIA GSS2-12
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU-IW-AIRGUN,EEL,DRUM RECORDER
Formats of Seismic Data: TWO,2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +19
Bottommost Latitude: +09
Leftmost Longitude: -081
Rightmost Longitude: -066
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: 060
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO PTS
General Digitizing Rate of Gravity: 100
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: 06 -3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP, 03 - NSF DES71-00214, AND ONR TO 210
Number of Data Records: 3645
Min/Max Data Record:
Date: 1975 04 24
Latitude: +9.53130
Longitude: -80.01740
Bathymetry, 2- Way Traveltime: 002500
Bathymetry, Corrected Depth: 188.0
Magnetics Total Field, 1st Sensor: 374180
Magnetics Residual Field: -07580
Free-Air Anomaly: -1094
Min/Max Data Record:
Date: 1975 05 09
Latitude: +18.60480
Longitude: -66.12720
Bathymetry, 2- Way Traveltime: 073200
Bathymetry, Corrected Depth: 5560.0
Magnetics Total Field, 1st Sensor: 427350
Magnetics Residual Field: -01080
Free-Air Anomaly: +0825