Survey Identifier: JARE32L4


Format Acronym: MGD77
Data Center File Number: JA010022
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): 19901228
Survey Arrival Date (yyyymmdd): 19910106
Navigation Instrumentation: NNSS (OPN-73-3) 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: +024
Rightmost Longitude: +040
General Digitizing Rate of Bathymetry: 023
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: 11512

Min/Max Data Record:
Date: 1990 12 28
Latitude: -70.19585
Longitude: +24.19380
Bathymetry, 2- Way Traveltime: 000280
Bathymetry, Corrected Depth: 21.0
Observed Gravity: 9823490
Free-Air Anomaly: -0763

Min/Max Data Record:
Date: 1991 01 06
Latitude: -66.98530
Longitude: +39.62879
Bathymetry, 2- Way Traveltime: 088667
Bathymetry, Corrected Depth: 6667.0
Observed Gravity: 9827652
Free-Air Anomaly: +1454