Survey Identifier: V1715
Format Acronym: MGD77
Data Center File Number: 01030015
Parameters Surveyed Code: 55033
File Creation Date (yyyymmdd): 19890630
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): C. DRAKE
Project: CRUISE 17, LEG 15
Survey Departure Date (yyyymmdd): 19610818
Port of Departure: HALIFAX, NOVA SCOTIA
Survey Arrival Date (yyyymmdd): 19610825
Port of Arrival: ARGENTINA, NEWFOUNDLAND
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.IN.AIRGUN, EEL,DRUM RECORDER
Formats of Seismic Data: TWO, 2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +48
Bottommost Latitude: +43
Leftmost Longitude: -064
Rightmost Longitude: -054
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 NAV. PTS.
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: 06 - 3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
Number of Data Records: 1487
Min/Max Data Record:
Date: 1961 08 18
Latitude: +43.35000
Longitude: -63.43000
Bathymetry, 2- Way Traveltime: 000450
Bathymetry, Corrected Depth: 34.0
Magnetics Total Field, 1st Sensor: 529230
Magnetics Residual Field: -02510
Min/Max Data Record:
Date: 1961 08 25
Latitude: +47.33330
Longitude: -54.03330
Bathymetry, 2- Way Traveltime: 053750
Bathymetry, Corrected Depth: 4033.0
Magnetics Total Field, 1st Sensor: 553080
Magnetics Residual Field: +07560