Survey Identifier: DI123L2


Format Acronym: MGD77
Data Center File Number: 19100030
Parameters Surveyed Code: 51100
File Creation Date (yyyymmdd): 19930701
Source Institution: INSTITUTE OF OCEANOGRAPHIC SCIENCES, UK
Country: UNITED KINGDOM
Platform Name: DISCOVERY
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J. B. WILSON
Project: DISCOVERY CRUISE 123 LEG 2
Funding: N.E.R.C.
Survey Departure Date (yyyymmdd): 19810826
Port of Departure: BERGEN, NORWAY
Survey Arrival Date (yyyymmdd): 19810907
Port of Arrival: IMMINGHAM, U.K.
Navigation Instrumentation: MAGNAVOX SATELLITE NAVIGATOR
Geodetic Datum/Position: PRIM-SAT PLUS DEAD RECKONING
Bathymetry Instrumentation: PRECISION ECHO SOUNDER - IOS MK 3
Additional Forms of Bathymetric Data: ANALOGUE
Magnetics Instrumentation: VARIAN V75 PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOGUE
Topmost Latitude of Survey: +73
Bottommost Latitude: +60
Leftmost Longitude: +000
Rightmost Longitude: +018
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: 2/SEC
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 020
General Sampling Rate of Magnetics: 02
Magnetic Sensor Tow Distance: 250
Reference Field Code: 04
Reference Field: IGRF-80
Method of Applying Residual Field: LINEAR INTERPOLATION PER DEGREE SQUARE
General Digitizing Rate of Gravity: 060
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: IGSN-71
Corrections Applied: CROSS COUPLING PLUS EOTVOS
Number of Data Records: 8900

Min/Max Data Record:
Date: 1981 08 26
Latitude: +60.13119
Longitude: +0.59820
Bathymetry, 2- Way Traveltime: 001493
Bathymetry, Corrected Depth: 112.0

Min/Max Data Record:
Date: 1981 09 07
Latitude: +72.52130
Longitude: +17.05230
Bathymetry, 2- Way Traveltime: 040999
Bathymetry, Corrected Depth: 3027.0