Survey Identifier: JARE29L4
Format Acronym: MGD77
Data Center File Number: JA010012
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): 19880124
Survey Arrival Date (yyyymmdd): 19880319
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: -71
Leftmost Longitude: +021
Rightmost Longitude: +159
General Digitizing Rate of Bathymetry: 019
Assumed Sound Velocity: 15000
General Digitizing Rate of Gravity: 012
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: 62664
Min/Max Data Record:
Date: 1988 01 24
Latitude: -70.27810
Longitude: +21.99650
Bathymetry, 2- Way Traveltime: 000280
Bathymetry, Corrected Depth: 21.0
Observed Gravity: 9796074
Free-Air Anomaly: -1646
Min/Max Data Record:
Date: 1988 03 19
Latitude: -33.77310
Longitude: +158.80340
Bathymetry, 2- Way Traveltime: 086667
Bathymetry, Corrected Depth: 6537.0
Observed Gravity: 9828386
Free-Air Anomaly: +2384