Survey Identifier: DI106
Format Acronym: MGD77
Data Center File Number: 19100016
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19850131
Source Institution: INSTITUTE OF OCEANOGRAPHIC SCIENCES, UK
Country: UNITED KINGDOM
Platform Name: DISCOVERY
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R. B. KIDD
Project: DISCOVERY CRUISE 106
Funding: BRITISH GOVT.
Survey Departure Date (yyyymmdd): 19791205
Port of Departure: SOUTH SHIELDS, ENGLAND
Survey Arrival Date (yyyymmdd): 19791222
Port of Arrival: PUERTO RICO
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: +56
Bottommost Latitude: +18
Leftmost Longitude: -067
Rightmost Longitude: +002
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: 0100
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION PER DEGREE SQUARE
General Digitizing Rate of Gravity: 060
General Sampling Rate of Gravity: 02
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
Additional Documentation: DISCOVERY 106 IS 1 LEG ONLY
Number of Data Records: 12222
Min/Max Data Record:
Date: 1979 12 05
Latitude: +18.51900
Longitude: -66.09020
Bathymetry, Corrected Depth: 143.0
Magnetics Total Field, 1st Sensor: 233520
Magnetics Residual Field: -98640
Min/Max Data Record:
Date: 1979 12 22
Latitude: +55.06920
Longitude: +1.92430
Bathymetry, Corrected Depth: 7539.0
Magnetics Total Field, 1st Sensor: 634960
Magnetics Residual Field: +94010