Survey Identifier: JARE33L4
Format Acronym: MGD77
Data Center File Number: JA010029
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): 19920325
Survey Arrival Date (yyyymmdd): 19920412
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: +36
Bottommost Latitude: -34
Leftmost Longitude: +139
Rightmost Longitude: +156
General Digitizing Rate of Bathymetry: 013
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: 23139
Min/Max Data Record:
Date: 1992 03 25
Latitude: -33.87132
Longitude: +139.70258
Bathymetry, 2- Way Traveltime: 000413
Bathymetry, Corrected Depth: 31.0
Observed Gravity: 9778021
Free-Air Anomaly: -2956
Min/Max Data Record:
Date: 1992 04 12
Latitude: +35.64942
Longitude: +155.52823
Bathymetry, 2- Way Traveltime: 093080
Bathymetry, Corrected Depth: 7090.0
Observed Gravity: 9798261
Free-Air Anomaly: +2150