Survey Identifier: V2001
Format Acronym: MGD77
Data Center File Number: 01030050
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): C. WINDISCH
Project: CRUISE 20, LEG 1
Survey Departure Date (yyyymmdd): 19640213
Port of Departure: PIERMONT, N.Y.
Survey Arrival Date (yyyymmdd): 19640224
Port of Arrival: SAN JUAN, PUERTO RICO
Navigation Instrumentation: SEXTANT
Geodetic Datum/Position: 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
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: +18
Leftmost Longitude: -074
Rightmost Longitude: -057
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.
Additional Documentation: 06 - 12 KHZ, WIDE BEAM (60 DEG),1 SECOND SWEEP
Number of Data Records: 1396
Min/Max Data Record:
Date: 1964 02 13
Latitude: +18.54170
Longitude: -73.80830
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 427780
Magnetics Residual Field: -02450
Min/Max Data Record:
Date: 1964 02 24
Latitude: +40.45000
Longitude: -57.43330
Bathymetry, 2- Way Traveltime: 100550
Bathymetry, Corrected Depth: 7699.0
Magnetics Total Field, 1st Sensor: 551800
Magnetics Residual Field: +03600