Survey Identifier: JARE29L3


Format Acronym: MGD77
Data Center File Number: JA010011
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): 19871228
Survey Arrival Date (yyyymmdd): 19880102
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: +023
Rightmost Longitude: +040
General Digitizing Rate of Bathymetry: 034
Assumed Sound Velocity: 15000
General Digitizing Rate of Gravity: 015
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: 4821

Min/Max Data Record:
Date: 1987 12 28
Latitude: -70.30840
Longitude: +23.75470
Bathymetry, 2- Way Traveltime: 000400
Bathymetry, Corrected Depth: 30.0
Observed Gravity: 9823553
Free-Air Anomaly: -0834

Min/Max Data Record:
Date: 1988 01 02
Latitude: -67.09110
Longitude: +39.57890
Bathymetry, 2- Way Traveltime: 091867
Bathymetry, Corrected Depth: 6918.0
Observed Gravity: 9827542
Free-Air Anomaly: +1320