Survey Identifier: JARE32L3
Format Acronym: MGD77
Data Center File Number: JA010021
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): 19901218
Survey Arrival Date (yyyymmdd): 19901221
Navigation Instrumentation: NNSS (OPN-73-3) SATELLITE
Geodetic Datum/Position: WGS-72
Bathymetry Instrumentation: NEC CO. LTD. PDR
Gravity Instrumentation: NIPRORI-II
Topmost Latitude of Survey: -65
Bottommost Latitude: -71
Leftmost Longitude: +023
Rightmost Longitude: +040
General Digitizing Rate of Bathymetry: 013
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: 3796
Min/Max Data Record:
Date: 1990 12 18
Latitude: -70.26999
Longitude: +23.82130
Bathymetry, 2- Way Traveltime: 004480
Bathymetry, Corrected Depth: 324.0
Observed Gravity: 9822759
Free-Air Anomaly: -0719
Min/Max Data Record:
Date: 1990 12 21
Latitude: -65.86543
Longitude: +39.32002
Bathymetry, 2- Way Traveltime: 088867
Bathymetry, Corrected Depth: 6683.0
Observed Gravity: 9827675
Free-Air Anomaly: +1445