Survey Identifier: DI73L1-2


Format Acronym: MGD77
Data Center File Number: 19100005
Parameters Surveyed Code: 551
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): A. S. LAUGHTON
Project: DISCOVERY CRUISE 73 LEG1, LEG2
Funding: BRITISH GOVERNMENT
Survey Departure Date (yyyymmdd): 19750703
Port of Departure: BARRY, WALES
Survey Arrival Date (yyyymmdd): 19750825
Port of Arrival: SOUTHAMPTON, ENGLAND
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: +37
Leftmost Longitude: -032
Rightmost Longitude: -003
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
Method of Applying Residual Field: LIN INTERP 1*1 DEG SQUARE
Additional Documentation: MID-CRUISE PORT PONTA DELGADA, AZORES 31JUL75 TO 03AUG75
Number of Data Records: 37074

Min/Max Data Record:
Date: 1975 07 03
Latitude: +37.74600
Longitude: -31.31650
Bathymetry, Corrected Depth: 65.0
Magnetics Total Field, 1st Sensor: 400000
Magnetics Residual Field: -30390

Min/Max Data Record:
Date: 1975 08 25
Latitude: +51.29050
Longitude: -3.58900
Bathymetry, Corrected Depth: 2925.0
Magnetics Total Field, 1st Sensor: 566660
Magnetics Residual Field: +39010