Survey Identifier: JARE28L2


Format Acronym: MGD77
Data Center File Number: JA010007
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): 19861203
Survey Arrival Date (yyyymmdd): 19870109
Navigation Instrumentation: NNSS SATELLITE
Geodetic Datum/Position: WGS-72
Bathymetry Instrumentation: NEC CO. LTD. PDR
Gravity Instrumentation: NIPRORI-I
Topmost Latitude of Survey: -33
Bottommost Latitude: -71
Leftmost Longitude: +023
Rightmost Longitude: +115
General Digitizing Rate of Bathymetry: 029
Assumed Sound Velocity: 15000
General Digitizing Rate of Gravity: 020
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: 9261

Min/Max Data Record:
Date: 1986 12 03
Latitude: -70.21850
Longitude: +23.36250
Bathymetry, 2- Way Traveltime: 000280
Bathymetry, Corrected Depth: 21.0
Observed Gravity: 9795879
Free-Air Anomaly: -0799

Min/Max Data Record:
Date: 1987 01 09
Latitude: -33.36595
Longitude: +114.35096
Bathymetry, 2- Way Traveltime: 092040
Bathymetry, Corrected Depth: 6931.0
Observed Gravity: 9827734
Free-Air Anomaly: +1522