Survey Identifier: JARE30G4
Format Acronym: MGD77
Data Center File Number: JA010016
Parameters Surveyed Code: 50500
File Creation Date (yyyymmdd): 19941107
Source Institution: NATIONAL INSTITUTE OF POLAR RESEARCH
Country: JAPAN
Platform Name: SHIRASE
Platform Type Code: 1
Platform Type: SHIP
Project: JAPANESE ANTARCTIC RESEARCH EXPEDITION, JARE
Survey Departure Date (yyyymmdd): 19890126
Survey Arrival Date (yyyymmdd): 19890203
Navigation Instrumentation: NNSS SATELLITE
Geodetic Datum/Position: WGS-72
Bathymetry Instrumentation: NEC CO. LTD. PDR
Gravity Instrumentation: NIPRORI-II
Topmost Latitude of Survey: -33
Bottommost Latitude: -70
Leftmost Longitude: +017
Rightmost Longitude: +023
General Digitizing Rate of Bathymetry: 014
Assumed Sound Velocity: 15000
General Digitizing Rate of Gravity: 010
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: 1967
Reference System Code: 3
Reference System: IGSN-71
Departure Base Station Gravity: 9825238
Departure Base Station Description: SYOWA LAT=69 0.3'S, LON=39 35.3'E
Number of Data Records: 11015
Min/Max Data Record:
Date: 1989 01 26
Latitude: -69.88269
Longitude: +17.62467
Bathymetry, 2- Way Traveltime: 001293
Bathymetry, Corrected Depth: 97.0
Observed Gravity: 9796053
Free-Air Anomaly: -1107
Min/Max Data Record:
Date: 1989 02 03
Latitude: -33.86116
Longitude: +22.85392
Bathymetry, 2- Way Traveltime: 088867
Bathymetry, Corrected Depth: 6683.0
Observed Gravity: 9825101
Free-Air Anomaly: +0256