Survey Identifier: JARE27L5
Format Acronym: MGD77
Data Center File Number: JA010005
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): 19860409
Survey Arrival Date (yyyymmdd): 19860419
Navigation Instrumentation: NNSS SATELLITE
Geodetic Datum/Position: WGS-72
Bathymetry Instrumentation: NEC CO. LTD. PDR
Gravity Instrumentation: NIPRORI-I
Topmost Latitude of Survey: +36
Bottommost Latitude: +01
Leftmost Longitude: +103
Rightmost Longitude: +140
General Digitizing Rate of Bathymetry: 025
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: 7065
Min/Max Data Record:
Date: 1986 04 09
Latitude: +1.26103
Longitude: +103.83082
Bathymetry, 2- Way Traveltime: 000280
Bathymetry, Corrected Depth: 21.0
Observed Gravity: 9780365
Free-Air Anomaly: -1238
Min/Max Data Record:
Date: 1986 04 19
Latitude: +35.58523
Longitude: +139.86916
Bathymetry, 2- Way Traveltime: 090027
Bathymetry, Corrected Depth: 6833.0
Observed Gravity: 9798141
Free-Air Anomaly: +1613