Survey Identifier: V3108
Format Acronym: MGD77
Data Center File Number: 01030181
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): STEPHEN EITTEREIM
Project: CRUISE 31, LEG 08
Funding: (SEE ADD DOC / 19)
Survey Departure Date (yyyymmdd): 19740806
Port of Departure: ST.GEORGES, BERMUDA
Survey Arrival Date (yyyymmdd): 19740903
Port of Arrival: PIERMONT, NEW YORK USA
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: +41
Bottommost Latitude: +32
Leftmost Longitude: -074
Rightmost Longitude: -064
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- ONR N00014-67-A-0108-0004
Number of Data Records: 6133
Min/Max Data Record:
Date: 1974 08 06
Latitude: +32.37780
Longitude: -73.85780
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Magnetics Total Field, 1st Sensor: 500640
Magnetics Residual Field: -07080
Free-Air Anomaly: -0393
Min/Max Data Record:
Date: 1974 09 03
Latitude: +40.46380
Longitude: -64.45750
Bathymetry, 2- Way Traveltime: 070625
Bathymetry, Corrected Depth: 5356.0
Magnetics Total Field, 1st Sensor: 561290
Magnetics Residual Field: +02040
Free-Air Anomaly: +1124