Survey Identifier: SHACK_73
Format Acronym: MGD77
Data Center File Number: 19050010
Parameters Surveyed Code: 50033
File Creation Date (yyyymmdd): 19991207
Source Institution: BRITISH ANTARCTIC SURVEY
Country: UNITED KINGDOM
Platform Name: RRS SHACKLETON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): D.GRIFFITHS
Project: BIRMINGHAM UNIV. CRUISE
Funding: NERC
Survey Departure Date (yyyymmdd): 19731113
Port of Departure: MONTEVIDEO
Survey Arrival Date (yyyymmdd): 19740315
Port of Arrival: MONTEVIDEO
Navigation Instrumentation: MAGNAVOX MX/702C/HP
Geodetic Datum/Position: SATNAV
Bathymetry Instrumentation: ECHO SOUNDER (KELVIN HUGHES MS26J)
Additional Forms of Bathymetric Data: ANALOGUE RECORDS
Magnetics Instrumentation: PROTON MAG. (BARRINGER )
Additional Forms of Magnetics Data: ANALOGUE RECORDS
Gravity Instrumentation: LACOSTE ROMBERG S40
Additional Forms of Gravity Data: ANALOGUE RECORDS
Topmost Latitude of Survey: -45
Bottommost Latitude: -74
Leftmost Longitude: -067
Rightmost Longitude: -020
General Digitizing Rate of Bathymetry: 050
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 010
Reference Field Code: 88
Reference Field: DGRF C
Method of Applying Residual Field: ALCULATED AT EACH POINT
General Digitizing Rate of Gravity: 050
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: IGSN 71
Number of Data Records: 119939
Min/Max Data Record:
Date: 1973 11 18
Latitude: -73.13760
Longitude: -66.76629
Bathymetry, Corrected Depth: 18.0
Min/Max Data Record:
Date: 1974 03 11
Latitude: -45.79420
Longitude: -20.02599
Bathymetry, Corrected Depth: 7706.0