Survey Identifier: JARE30G3
Format Acronym: MGD77
Data Center File Number: JA010015
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): 19890116
Survey Arrival Date (yyyymmdd): 19890125
Navigation Instrumentation: NNSS SATELLITE
Geodetic Datum/Position: WGS-72
Bathymetry Instrumentation: NEC CO. LTD. PDR
Gravity Instrumentation: NIPRORI-II
Topmost Latitude of Survey: -67
Bottommost Latitude: -71
Leftmost Longitude: +020
Rightmost Longitude: +040
General Digitizing Rate of Bathymetry: 027
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: 8139
Min/Max Data Record:
Date: 1989 01 16
Latitude: -70.17891
Longitude: +20.06975
Bathymetry, 2- Way Traveltime: 002800
Bathymetry, Corrected Depth: 202.0
Observed Gravity: 9823492
Free-Air Anomaly: -1594
Min/Max Data Record:
Date: 1989 01 25
Latitude: -67.95202
Longitude: +39.48270
Bathymetry, 2- Way Traveltime: 065600
Bathymetry, Corrected Depth: 4882.0
Observed Gravity: 9826666
Free-Air Anomaly: +0478