Survey Identifier: JARE29L2
Format Acronym: MGD77
Data Center File Number: JA010010
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): 19871202
Survey Arrival Date (yyyymmdd): 19871217
Navigation Instrumentation: NNSS SATELLITE
Geodetic Datum/Position: WGS-72
Bathymetry Instrumentation: NEC CO. LTD. PDR
Gravity Instrumentation: NIPRORI-II
Topmost Latitude of Survey: -31
Bottommost Latitude: -71
Leftmost Longitude: +023
Rightmost Longitude: +116
General Digitizing Rate of Bathymetry: 017
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: 21341
Min/Max Data Record:
Date: 1987 12 02
Latitude: -70.20750
Longitude: +23.64430
Bathymetry, 2- Way Traveltime: 000453
Bathymetry, Corrected Depth: 34.0
Observed Gravity: 9793873
Free-Air Anomaly: -1002
Min/Max Data Record:
Date: 1987 12 17
Latitude: -31.89740
Longitude: +115.78290
Bathymetry, 2- Way Traveltime: 082133
Bathymetry, Corrected Depth: 6218.0
Observed Gravity: 9827494
Free-Air Anomaly: +1299