Survey Identifier: JARE33L2
Format Acronym: MGD77
Data Center File Number: JA010027
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): 19911203
Survey Arrival Date (yyyymmdd): 19920105
Navigation Instrumentation: NNSS SATELLITE
Geodetic Datum/Position: WGS-72
Bathymetry Instrumentation: NEC 12KHZ MODEL NS-74 PDR
Gravity Instrumentation: NIPRORI-II
Topmost Latitude of Survey: -31
Bottommost Latitude: -71
Leftmost Longitude: +022
Rightmost Longitude: +116
General Digitizing Rate of Bathymetry: 014
Assumed Sound Velocity: 15000
General Digitizing Rate of Gravity: 011
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: 44398
Min/Max Data Record:
Date: 1991 12 03
Latitude: -70.15858
Longitude: +22.94572
Bathymetry, 2- Way Traveltime: 000280
Bathymetry, Corrected Depth: 21.0
Observed Gravity: 9793993
Free-Air Anomaly: -0841
Min/Max Data Record:
Date: 1992 01 05
Latitude: -31.90852
Longitude: +115.70951
Bathymetry, 2- Way Traveltime: 092027
Bathymetry, Corrected Depth: 6930.0
Observed Gravity: 9827573
Free-Air Anomaly: +1394