Survey Identifier: DI74L2
Format Acronym: MGD77
Data Center File Number: 19100006
Parameters Surveyed Code: 55100
File Creation Date (yyyymmdd): 19830406
Source Institution: INSTITUTE OF OCEANOGRAPHIC SCIENCES, UK
Country: UNITED KINGDOM
Platform Name: DISCOVERY
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): D. G. ROBERTS
Project: DISCOVERY CRUISE 74 LEG2
Funding: BRITISH GOVERNMENT
Survey Departure Date (yyyymmdd): 19750915
Port of Departure: BANTRY BAY, EIRE
Survey Arrival Date (yyyymmdd): 19750926
Port of Arrival: BREST, FRANCE
Navigation Instrumentation: MAGNAVOX SATELLITE RECEIVER
Geodetic Datum/Position: SAT PLUS DR
Bathymetry Instrumentation: IOS PES MARK 3 10KHZ 20DEG 2DEG SWEEP
Additional Forms of Bathymetric Data: ANALOGUE
Magnetics Instrumentation: PROTON PRECESSION VARIAN V75
Additional Forms of Magnetics Data: ANALOGUE
Topmost Latitude of Survey: +52
Bottommost Latitude: +47
Leftmost Longitude: -015
Rightmost Longitude: -004
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: 2 SEC
Assumed Sound Velocity: 08000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 020
General Sampling Rate of Magnetics: 02
Magnetic Sensor Tow Distance: 0250
Reference Field Code: 04
Reference Field: IGRF75
Method of Applying Residual Field: LIN INTERP 1*1 DEG SQUARE
Number of Data Records: 7484
Min/Max Data Record:
Date: 1975 09 15
Latitude: +47.05870
Longitude: -14.82150
Bathymetry, Corrected Depth: 14.0
Magnetics Total Field, 1st Sensor: 465540
Magnetics Residual Field: -07100
Min/Max Data Record:
Date: 1975 09 26
Latitude: +51.70630
Longitude: -4.35300
Bathymetry, Corrected Depth: 4707.0
Magnetics Total Field, 1st Sensor: 480540
Magnetics Residual Field: +27680