Survey Identifier: V3202


Format Acronym: MGD77
Data Center File Number: 01030183
Parameters Surveyed Code: 51533
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): GEORGE CARPENTER
Project: CRUISE 32, LEG 02
Survey Departure Date (yyyymmdd): 19741105
Port of Departure: PIERMONT N.Y. U.S.A.
Survey Arrival Date (yyyymmdd): 19741118
Port of Arrival: PONTA DELGADA, AZORES
Navigation Instrumentation: SATELLITE/SEXTANT
Geodetic Datum/Position: SATELLITE/DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD. DOC./18)
Additional Forms of Bathymetric 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: +42
Bottommost Latitude: +37
Leftmost Longitude: -074
Rightmost Longitude: -025
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 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: 4142

Min/Max Data Record:
Date: 1974 11 05
Latitude: +37.09000
Longitude: -73.53630
Bathymetry, 2- Way Traveltime: 000125
Bathymetry, Corrected Depth: 9.0
Free-Air Anomaly: -0468

Min/Max Data Record:
Date: 1974 11 18
Latitude: +41.39280
Longitude: -25.90880
Bathymetry, 2- Way Traveltime: 067750
Bathymetry, Corrected Depth: 5115.0
Free-Air Anomaly: +0855