Survey Identifier: V2303
Format Acronym: MGD77
Data Center File Number: 01030087
Parameters Surveyed Code: 55533
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): DR. M. TALWANI
Project: CRUISE 23, LEG 3
Survey Departure Date (yyyymmdd): 19660827
Port of Departure: REYKJAVIK, ICELAND
Survey Arrival Date (yyyymmdd): 19660915
Port of Arrival: REYKJAVIK, ICELAND
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: +65
Bottommost Latitude: +59
Leftmost Longitude: -031
Rightmost Longitude: -021
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 - 12 KHZ. WIDE BEAM (60 DEG) 1 SECOND SWEEP
Number of Data Records: 9162
Min/Max Data Record:
Date: 1966 08 27
Latitude: +59.53190
Longitude: -30.85910
Bathymetry, 2- Way Traveltime: 000275
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 496610
Magnetics Residual Field: -18880
Free-Air Anomaly: +0020
Min/Max Data Record:
Date: 1966 09 15
Latitude: +64.19620
Longitude: -21.98080
Bathymetry, 2- Way Traveltime: 031875
Bathymetry, Corrected Depth: 2371.0
Magnetics Total Field, 1st Sensor: 553430
Magnetics Residual Field: +38170
Free-Air Anomaly: +0831